Inspiron 3790 Service Manual Regulatory Model: P35E Regulatory Type: P35E004 November 2020 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2019 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Before working inside your computer........................................................................... 9 Before you begin .................................................................................................................................................................9 Chapter 2: After working inside your computer............................................................................10 Chapter 3: Safety instructions.............................................
Procedure ........................................................................................................................................................................... 31 Post-requisites....................................................................................................................................................................31 Chapter 14: Removing the wireless card...................................................................................... 32 Prerequisites....
Chapter 25: Replacing the hard drive.......................................................................................... 49 Procedure ...........................................................................................................................................................................49 Post-requisites...................................................................................................................................................................
Chapter 36: Removing the I/O board............................................................................................71 Prerequisites........................................................................................................................................................................71 Procedure.............................................................................................................................................................................
Post-requisites....................................................................................................................................................................91 Chapter 48: Removing the camera...............................................................................................92 Prerequisites.......................................................................................................................................................................92 Procedure.........
Wireless and Bluetooth drivers.................................................................................................................................... 105 Chapter 59: System setup......................................................................................................... 106 BIOS overview..................................................................................................................................................................106 Entering BIOS setup program.....
1 Before working inside your computer NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin 1. Save and close all open files and exit all open applications. 2. Shut down your computer. Click Start > Power > Shut down. NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions. 3. Disconnect your computer and all attached devices from their electrical outlets. 4.
2 After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3. Replace any media cards, discs, or any other parts that you removed before working on your computer. 4. Connect your computer and all attached devices to their electrical outlets. 5.
3 Safety instructions Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety. NOTE: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance. NOTE: Disconnect all power sources before opening the computer cover or panels.
● Use a wired ESD wrist strap that is properly grounded. The use of wireless anti-static straps is no longer allowed; they do not provide adequate protection. Touching the chassis before handling parts does not ensure adequate ESD protection on parts with increased sensitivity to ESD damage. ● Handle all static-sensitive components in a static-safe area. If possible, use anti-static floor pads and workbench pads.
Transporting sensitive components When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Lifting equipment Adhere to the following guidelines when lifting heavy weight equipment: CAUTION: Do not lift greater than 50 pounds. Always obtain additional resources or use a mechanical lifting device. 1. 2. 3. 4. 5. Get a firm balanced footing.
4 Recommended tools The procedures in this document may require the following tools: ● Philips screwdriver #1 ● Flat-head screwdriver ● Plastic scribe 14 Recommended tools
5 Screw list NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is restored when the component is replaced. NOTE: Some computers have magnetic surfaces. Ensure that the screws are not left attached to such surface when replacing a component. NOTE: Screw color may vary with the configuration ordered. Table 1.
Table 1. Screw list (continued) Component Secured to Screw type Quantity Power-adapter port Palm rest and keyboard assembly M2x3 1 Power-button board Palm rest and keyboard assembly M2x2 1 Power button with fingerprint reader (optional) Palm rest and keyboard assembly M2x2 1 M.2 2230/2280 thermal shield Palm rest and keyboard assembly M2x3 1 M.2 2230 solid-state drive M.2 2230 thermal shield M2x2.
6 Removing the optical drive NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Remove the two screws (M2x4) that secure the optical-drive assembly to the base cover. 2.
Removing the optical drive
7 Replacing the optical drive NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1.
Replacing the optical drive
8 Removing the base cover NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites Remove the optical drive. Procedure 1. Loosen the five captive screws on the base cover. 2.
NOTE: The following steps are applicable only if you want to further remove any other component from your computer. 6. Disconnect the battery cable from the system board. 7. Press and hold the power button for 5 seconds to ground the computer and drain the flea power.
9 Replacing the base cover NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Connect the battery cable to the system board, if applicable.
3. Replace the six screws (M2.5x7) that secure the base cover to the palm rest and keyboard assembly. 4. Replace the two screws (M2x2) that secure the base cover to the palm rest and keyboard assembly. 5. Tighten the five captive screws that secure the base cover to the palm rest and keyboard assembly. Post-requisites Replace the optical drive.
10 Removing the battery NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Lithium-ion battery precautions CAUTION: ● Exercise caution when handling Lithium-ion batteries.
Removing the battery
11 Replacing the battery NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Lithium-ion battery precautions CAUTION: ● Exercise caution when handling Lithium-ion batteries.
Post-requisites 1. Replace the base cover. 2. Replace the optical drive.
12 Removing the memory modules NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover.
Removing the memory modules
13 Replacing the memory modules NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure NOTE: This computer can support up to two memory modules.
14 Removing the wireless card NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. Procedure 1.
Removing the wireless card 33
15 Replacing the wireless card NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless card, do not place any cables under it. 1.
16 Removing the optical-drive connector board NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover.
17 Replacing the optical-drive connector board NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1.
18 Removing the coin-cell battery NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default.
19 Replacing the coin-cell battery NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1.
20 Removing the fan NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. Procedure 1.
Removing the fan
21 Replacing the fan NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Align the screw holes on the fan with the screw holes on to the palm rest and keyboard board assembly.
Post-requisites 1. Replace the base cover. 2. Replace the optical drive.
22 Removing the solid-state drive/Intel Optane memory module You need to disable the Intel Optane memory before removing Intel Optane memory module from your computer. For more information about disabling the Intel Optane memory, see Disabling Intel Optane memory. NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer.
Procedure to remove the M.2 2280 solid-state drive/ Intel Optane 1. Loosen the captive screw that secures the M.2 2280 thermal shield to the palm-rest and keyboard assembly. 2. Remove the screw (M2x3) that secures the M.2 2280 thermal shield and solid-state drive/Intel Optane to the palm-rest and keyboard assembly. 3. Slide and remove the tab on the M.2 2280 thermal shield from the slot on the palm-rest and keyboard assembly . 4. Lift the solid-state drive/Intel Optane at an angle and remove it from the M.
23 Replacing the solid-state drive/Intel Optane memory module Enable the Intel Optane memory after you replace the Intel Optane memory module. For more information about enabling the Intel Optane memory, see Enabling Intel Optane memory. NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer.
Procedure to replace the M.2 2280 solid-state drive/ Intel Optane 1. Align the notch on the solid-state drive/Intel Optane with the tab on the M.2 slot and slide the solid-state drive/Intel Optane into the M.2 slot on the system board. 2. Insert the tab of the M.2 2280 thermal shield into the slot on the palm-rest and keyboard assembly. 3. Tighten the captive screw that secures the M.2 2280 thermal shield to the palm-rest and keyboard assembly. 4. Replace the screw (M2x3) that secures the M.
24 Removing the hard drive If your computer is using a SATA storage device accelerated by Intel Optane memory, disable Intel Optane before removing the SATA storage device. For more information about disabling the Intel Optane, see Disabling Intel Optane. NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer.
5. Remove the four screws (M3x3) that secure the hard-drive bracket to the hard drive. 6. Lift the hard-drive bracket off the hard drive.
25 Replacing the hard drive Enable Intel Optane after replacing the SATA storage. For more information about enabling the Intel Optane, see Enabling Intel Optane. NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.
Post-requisites 1. Replace the battery. 2. Replace the base cover. 3. Replace the optical drive.
26 Removing the touchpad NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3. Remove the battery. Procedure 1.
Removing the touchpad
27 Replacing the touchpad NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
Post-requisites 1. Replace the battery. 2. Replace the base cover. 3. Replace the optical drive.
28 Removing the speakers NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3.
29 Replacing the speakers NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
30 Removing the heat sink NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: The heat sink may become hot during normal operation.
31 Replacing the heat sink NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can damage the system board and processor.
32 Removing the power-adapter port NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
6. Remove the five screws (M2.5x5) that secure the left and right hinges to the system board and palm rest and keyboard assembly. 7. Open the hinges. 8. Lift the palm rest and keyboard assembly at an angle. 9. Slide and remove the palm rest and keyboard assembly off the display assembly.
10. After performing all the above steps, you are left with display assembly. Procedure 1. Remove the three screws (M2.5x5) that secure the right hinge to the system board and palm rest assembly. 2. Lift the right hinge. 3. Disconnect the power-adapter port cable from the system board. 4. Note the power-adapter port cable routing and remove it from the routing guides on the palm rest and keyboard assembly. 5.
Removing the power-adapter port
33 Replacing the power-adapter port NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1.
2. Using the alignment posts, press the hinges down on the system board and the palm rest and keyboard assembly. 3. Replace the five screws (M2.5x5) that secure the left and right hinges to the system board and palm rest and keyboard assembly. 4. Route the display cable through the routing guides on the fan and the palm rest and keyboard assembly. 5. Slide the display cable to the connector on the system board and close the latch to secure the cable. 6.
Post-requisites 1. Replace the wireless card. 2. Replace the base cover. 3. Replace the optical drive.
34 Removing the display assembly NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3. Remove the wireless card.
8. Lift the palm rest and keyboard assembly at an angle. 9. Slide and remove the palm rest and keyboard assembly off the display assembly. 10. After performing all the above steps, you are left with display assembly.
Removing the display assembly
35 Replacing the display assembly NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
4. Route the display cable through the routing guides on the fan and the palm rest and keyboard assembly. 5. Slide the display cable to the connector on the system board and close the latch to secure the cable. 6. Press down on the latch to connect the optical-drive connector board cable to the optical-drive connector board. 7. Press down on the latch to connect the optical-drive connector board cable to the system board. Post-requisites 1. Replace the wireless card. 2. Replace the base cover. 3.
36 Removing the I/O board NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default.
37 Replacing the I/O board NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Using the alignment posts, place the I/O board on the palm rest and keyboard assembly. 2.
38 Removing the power-button board NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3. Remove the fan. Procedure 1.
Removing the power-button board
39 Replacing the power-button board NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1.
Post-requisites 1. Replace the fan. 2. Replace the base cover. 3. Replace the optical drive.
40 Removing the system board NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board.
10. Remove the three screws (M2.5x5) that secure the right hinge to the system board. 11. Open the right hinge. 12. Remove the screw (M2x4) that secures the system board to palm rest and keyboard assembly. 13. Lift the system board off the palm rest and keyboard assembly.
Removing the system board 79
41 Replacing the system board NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board.
5. Connect the power-adapter port cable and speaker cable to the system board. 6. Slide the keyboard back-light cable and keyboard cable into their respective connectors on the system board and close the latches. 7. Slide the touchpad cable and hard-drive cable into their respective connectors on the system board and close the latches. 8. Slide the I/O-board cable and finger-print reader cable into their respective connectors on the system board and close the latch. 9.
3. Replace the solid-state drive/Intel Optane. 4. Replace the wireless card. 5. Replace the memory modules. 6. Replace the battery. 7. Replace the base cover. 8. Replace the optical drive. Entering the Service Tag in the BIOS setup program 1. Turn on or restart your computer. 2. Press F2 when the Dell logo is displayed to enter the BIOS setup program. 3. Navigate to the Main tab and enter the Service Tag in the Service Tag Input field.
42 Removing the power button with fingerprint reader NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Applicable only for computers that are shipped with fingerprint reader.
Removing the power button with fingerprint reader
43 Replacing the power button with fingerprint reader NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. NOTE: Applicable only for computers that are shipped with fingerprint reader.
44 Removing the palm-rest and keyboard assembly NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3.
Removing the palm-rest and keyboard assembly 87
45 Replacing the palm-rest and keyboard assembly NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure Place the palm rest and keyboard assembly on a flat surface.
15. Replace the base cover. 16. Replace the optical drive.
46 Removing the display bezel NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3. Remove the wireless card. 4.
47 Replacing the display bezel NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
48 Removing the camera NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3. Remove the wireless card. 4.
49 Replacing the camera NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Connect the camera cable to the camera module. 2.
50 Removing the display panel NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the base cover. 2. Remove the wireless card. 3. Remove the display assembly. 4.
Removing the display panel 95
51 Replacing the display panel NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1. Place the display panel on a flat and clean surface. 2.
Post-requisites 1. Replace the display bezel. 2. Replace the display assembly. 3. Replace the wireless card. 4. Replace the base cover.
52 Removing the display hinges NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3. Remove the wireless card. 4.
53 Replacing the display hinges NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1.
54 Removing the display cable NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3. Remove the wireless card. 4.
55 Replacing the display cable NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Procedure 1.
56 Removing the display back-cover and antenna assembly NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance. Prerequisites 1. Remove the optical drive. 2. Remove the base cover. 3.
57 Replacing the display back-cover and antenna assembly NOTE: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/ regulatory_compliance.
58 Device drivers Intel Chipset Software Installation Utility In the Device Manager, check if the chipset driver is installed. Install the Intel chipset updates from www.dell.com/support. Downloading the graphics driver 1. Turn on your computer. 2. Go to www.dell.com/support. 3. Enter the Service Tag of your computer, and then click Submit. NOTE: If you do not have the Service Tag, use the auto-detect feature or manually browse for your computer model. 4. Click Drivers & downloads. 5.
Install the driver update from www.dell.com/support. Intel Virtual Button driver In the Device Manager, check if the Intel Virtual Button driver is installed. Install the driver updates from www.dell.com/support. Wireless and Bluetooth drivers In the Device Manager, check if the network card driver is installed. Install the driver updates from www.dell.com/support. In the Device Manager, check if the Bluetooth driver is installed. Install the driver updates from www.dell.com/support.
59 System setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup program. Certain changes can make your computer work incorrectly. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference. Use the BIOS Setup program for the following purposes: ● Get information about the hardware installed in your computer, such as the amount of RAM and the size of the hard drive.
● Removable Drive (if available) ● STXXXX Drive (if available) NOTE: XXX denotes the SATA drive number. ● Optical Drive (if available) ● SATA Hard Drive (if available) ● Diagnostics NOTE: Choosing Diagnostics, will display the ePSA diagnostics screen. The boot sequence screen also displays the option to access the System Setup screen. System setup options NOTE: Depending on this computer and its installed devices, the items listed in this section may or may not appear. Table 3.
Table 3. System setup options—System information menu (continued) General-System Information Primary HDD Displays the primary hard drive information of the computer. ODD Device Displays the optical drive information of the computer. M.2 SATA SSD Displays the M.2 SATA SSD device information of the computer. M.2 PCIe SSD-0 Displays the M.2 PCIe SSD information of the computer. Video Controller Displays the video controller type of the computer.
Table 4. System setup options—System Configuration menu (continued) System Configuration Enable Camera Enable or disable the camera. Table 5. System setup options—Video menu Video LCD Brightness Set the panel brightness independently for Battery and AC power. Table 6. System setup options—Security menu Security Admin Password Set, change, or delete the administrator password. System Password Set, change, or delete the system password.
Table 8. System setup options—Intel Software Guard Extensions menu (continued) Intel Software Guard Extensions Default: Enabled. Intel SpeedStep Enable or disable Intel Speedstep Technology. Default: Enabled. NOTE: If enabled, the processor clock speed and core voltage are adjusted dynamically based on the processor load. C-States Control Enable or disable additional processor sleep states. Default: Enabled. Intel TurboBoost Enable or disable Intel TurboBoost mode of the processor. Default: Enabled.
Table 10. System setup options—Wireless menu Wireless Wireless Switch Determine which wireless devices can be controlled by the Wireless Switch. Wireless Device Enable Enable or disable internal wireless devices. Table 11. System setup options—Maintenance menu Maintenance Service Tag Display the system’s Service Tag. Asset Tag Create a system Asset Tag. BIOS Downgrade Control flashing of the system firmware to previous revisions.
1. In the System BIOS or System Setup screen, select Security and press Enter. The Security screen is displayed. 2. Select System/Admin Password and create a password in the Enter the new password field. Use the following guidelines to assign the system password: ● ● ● ● A password can have up to 32 characters. The password can contain the numbers 0 through 9. Only lower case letters are valid, upper case letters are not allowed.
60 Troubleshooting Enhanced Pre-Boot System Assessment (ePSA) diagnostics The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded with the BIOS and is launched by the BIOS internally.
For example, the power and battery-status light blinks amber two times followed by a pause, and then blinks white three times followed by a pause. This 2,3 pattern continues until the computer is turned off indicating no memory or RAM is detected. The following table shows different power and battery-status light patterns and associated problems. Table 15.
5. Restart the computer and press F12 when the Dell logo is displayed on the screen. 6. Boot to the USB drive from the One Time Boot Menu. 7. Type the BIOS setup program filename and press Enter. 8. The BIOS Update Utility appears. Follow the instructions on the screen to complete the BIOS update. Flashing the BIOS You may need to flash (update) the BIOS when an update is available or when you replace the system board. Follow these steps to flash the BIOS: 1. Turn on your computer. 2. Go to www.dell.
Disabling Intel Optane memory CAUTION: After disabling Intel Optane memory, do not uninstall the driver for Intel Rapid Storage Technology as it will result in a blue screen error. The Intel Rapid Storage Technology user interface can be removed without uninstalling the driver. NOTE: Disabling Intel Optane memory is required before removing the SATA storage device accelerated by the Intel Optane memory module from the computer. 1.
61 Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 16. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app Tips Contact Support In Windows search, type Contact Support, and press Enter. Online help for operating system www.dell.
