Inspiron 5498 Service Manual Regulatory Model: P116G Regulatory Type: P116G001 August 2021 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. © 2019-2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Working inside your computer...................................................................................... 6 Before working inside your computer.............................................................................................................................6 Before you begin ...........................................................................................................................................................6 Safety instructions....................
Removing the display assembly............................................................................................................................... 35 Installing the display assembly..................................................................................................................................37 Coin-cell battery................................................................................................................................................................
M-BIST........................................................................................................................................................................... 72 LCD Built-in Self Test (BIST)................................................................................................................................... 72 Recovering the operating system..................................................................................................................................
1 Working inside your computer 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 Steps 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.
When disconnecting cables, keep them evenly aligned to avoid bending the connector pins. When connecting cables, ensure that the ports and the connectors are correctly oriented and aligned. CAUTION: Press and eject any installed card from the media-card reader. CAUTION: Exercise caution when handling Lithium-ion batteries in laptops. Swollen batteries should not be used and should be replaced and disposed properly.
● ● ● ● ● use wireless wrist straps. Always be aware that the internal wires of a wrist strap are prone to damage from normal wear and tear, and must be checked regularly with a wrist strap tester in order to avoid accidental ESD hardware damage. It is recommended to test the wrist strap and bonding wire at least once per week. ESD Wrist Strap Tester – The wires inside of an ESD strap are prone to damage over time.
2 Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #1 ● Plastic scribe 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.
Table 1. Screw list (continued) Component Secured to Screw type Quantity Touchpad bracket Palm-rest and keyboard assembly M2x2 3 Touchpad Palm-rest and keyboard assembly M2x2 4 Wireless-card bracket System board M2x3 1 Power-button board/ Fingerprint-reader board bracket Palm-rest and keyboard assembly M2x2 2 Power-button board/ Fingerprint-reader board Palm-rest and keyboard assembly M2x3 2 Screw image Base cover Removing the base cover Prerequisites 1.
Removing and installing components 11
Steps 1. Loosen the two captive screws and remove the seven screws (M2x5) that secure the base cover to the palm-rest and keyboard assembly. 2. Pry the base cover starting from the right hinge and work your way around. 3. Lift the base cover off the palm-rest and keyboard assembly. 4. Peel off the tape that secures the battery cable to the system board. 5. Disconnect the battery cable from the system board. 6. Press and hold the power button for five seconds to ground the computer and drain the flea power.
Steps 1. Connect the battery cable to the system board, if applicable. 2. Adhere the tape that secures the battery connector to the system board. 3. Place the base cover on the palm-rest and keyboard assembly, and snap the base cover into place. 4. Replace the seven screws (M2x5) and tighten the two captive screws to secure the base cover to the palm-rest and keyboard assembly. Next steps 1. Follow the procedure in After working inside your computer.
● Do not crush, drop, mutilate, or penetrate the battery with foreign objects. ● Do not expose the battery to high temperatures, or disassemble battery packs and cells. ● Do not apply pressure to the surface of the battery. ● Do not bend the battery. ● Do not use tools of any kind to pry on or against the battery. ● Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental puncture or damage to the battery and other system components.
Steps 1. Peel off the tape that secures the battery cable to the system board. 2. Disconnect the battery cable from the system board. 3. Remove the two screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 4. Slide the tabs on the battery out of the slots on the palm-rest and keyboard assembly. 5. Lift the battery off the palm-rest and keyboard assembly.
Steps 1. Align the four tabs on the battery into the slots on the palm-rest and keyboard assembly and insert the battery into place. 2. Align the screw holes on the battery with the screw holes on the palm-rest and keyboard assembly and place the battery on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 4. Connect the battery cable to the connector on the system board. 5.
Memory module Removing the memory module Prerequisites NOTE: The primary memory module is integrated into the system board. This procedure is for removing the secondary memory module. 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The following image indicates the location of the memory module and provides a visual representation of the removal procedure. Steps 1. Lift the Mylar to reveal the memory module.
2. With the memory module visible, use your fingertips to spread apart the securing clips on the memory-module slot until the memory module pops up. 3. Slide and remove the memory module from the memory-module slot. Installing the memory module Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
3. Cover the memory module with the Mylar. Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Solid-state drive Removing the solid-state drive Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The following image indicates the location of the solid-state drive and provides a visual representation of the removal procedure. M.
M.2 2280 solid-state drive Steps 1. Remove the screw (M2x3) that secures the solid-state drive to the system board. 2. Slide and remove the solid-state drive from the solid-state drive slot on the system board. Moving the solid-state drive screw mount Prerequisites 1. 2. 3. 4. 20 Follow the procedure in Before working inside your computer. Remove the base cover. Remove the battery. Remove the solid-state drive.
About this task The following image indicates the location of the solid-state drive screw mount and provides a visual representation of the procedure to move the screw mount to another location that accommodates the form factor. Steps 1. Slide the screw mount out of the screw-mount slot on the palm-rest and keyboard assembly. 2. Turn the screw mount 180 degrees. 3. Insert the screw mount into the other screw-mount slot on the palm-rest and keyboard assembly. 4.
M.2 2242 solid-state drive M.
Steps 1. Align the notch on the solid-state drive with the tab on the solid-state drive slot. 2. Slide the solid-state drive into the solid-state slot on the system board. 3. Replace the screw (M2x3) that secures the solid-state drive to the system board. Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Wireless card Removing the wireless card Prerequisites 1. Follow the procedure in Before working inside your computer. 2.
Steps 1. Remove the screw (M2x3) that secures the wireless-card bracket to the wireless card. 2. Remove the wireless-card bracket off the wireless card. 3. Disconnect the antenna cables from the wireless card. 4. Slide and remove the wireless card from the wireless-card slot. Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. CAUTION: To avoid damage to the wireless card, do not place any cables under it.
Steps 1. Slide the wireless card at an angle into the wireless-card slot. 2. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for the wireless card supported by your computer. Table 2. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main (white triangle) White Auxiliary (black triangle) Black 3. Place the wireless-card bracket on the wireless card. 4.
I/O board Removing the I/O board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The following image indicates the location of the I/O board and provides a visual representation of the removal procedure. Steps 1. Peel the tape off the I/O-board cable connector. 2. Open the latch and disconnect the I/O-board cable from the I/O board. 3. Remove the I/O-board cable from the routing guides on the fan. 4.
Steps 1. Using the alignment posts, place the I/O board on the palm-rest and keyboard assembly. 2. Route the I/O-board cable through the routing guides on the fan. 3. Replace the two screws (M2x3) that secure the I/O board to the palm-rest and keyboard assembly. 4. Connect the I/O-board cable to the I/O board and close the latch to secure the cable connector. 5. Adhere the tape that secures the I/O-board cable connector to the I/O board. Next steps 1. Install the battery. 2. Install the base cover. 3.
Steps 1. In reverse-sequential order (as indicated on the heat sink), loosen the four captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink (integrated graphics) Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (indicated on the heat sink), tighten the four captive screws that secure the heat sink to the system board. Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Removing the heat sink (discrete graphics) Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3.
Steps 1. In reverse-sequential order (as indicated on the heat sink), loosen the seven captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink (discrete graphics) Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (indicated on the heat sink), tighten the seven captive screws that secure the heat sink to the system board. Next steps 1. Install the battery. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Touchpad Removing the touchpad Prerequisites 1. 2. 3. 4. Follow the procedure in Before working inside your computer. Remove the base cover. Remove the battery.
Steps 1. Peel the tapes that secure the antenna cables to the palm-rest and keyboard assembly. 2. Open the latch and disconnect the touchpad cable from the system board. 3. Gently slide the touchpad-cable connector under the antenna cables so that the touchpad cable is over the antenna cables. 4. Peel the tapes that secure the touchpad to the palm-rest and keyboard assembly. 5. Remove the three screws (M2x2) that secure the touchpad bracket to the palm-rest and keyboard assembly. 6.
Steps 1. Align and place the touchpad into the slot on the palm-rest and keyboard assembly. 2. Replace the four screws that (M2x2) secure the touchpad to the palm-rest and keyboard assembly. 3. Align and place the touchpad bracket into the slot on the palm-rest and keyboard assembly. 4. Replace the three screws (M2x2) that secure the touchpad bracket to the palm-rest and keyboard assembly. 5.
Steps 1. Peel the tape off the I/O-board cable connector. 2. Lift the latch and disconnect the I/O-board cable from the I/O board. 3. Remove the I/O-board cable from the routing guides on the fan. 4. Remove the two screws (M2x3) that secure the fan to the system board. 5. Disconnect the fan cable from the system board. 6. Lift the fan off the palm-rest and keyboard assembly.
Steps 1. Connect the fan cable to the system board. 2. Align the screw holes on the fan with the screw holes on the palm-rest and keyboard assembly. 3. Replace the two screws (M2x3) that secure the fan to the palm-rest and keyboard assembly. 4. Connect the I/O-board cable to the system board and I/O board. 5. Route the I/O-board cable through the routing guides on the fan. 6. Reconnect the I/O-board cable to the I/O board and close the latch. 7.
Steps 1. Peel the tape that secures the display-cable connector to the system board. 2. Open the latch and disconnect the display cable from the system board. 3. Remove the four screws (M2.5x5) that secure the left and the right display hinges to the palm-rest and keyboard assembly.
4. Open the display hinges at an angle of 90 degrees. 5. Gently slide and lift the palm-rest and keyboard assembly off the display assembly. Installing the display assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the display assembly and provides a visual representation of the installation procedure.
Removing and installing components
Removing and installing components 39
Steps 1. Place the display assembly on a clean and flat surface. 2. Align and place the palm-rest and keyboard assembly on the display assembly. 3. Using the alignment posts, close the left and the right display hinges. 4. Replace the four screws (M2.5x5) that secure the left and the right display hinges to the palm-rest and keyboard assembly. 5. Connect the display cable to the system board and adhere the tape that secures the display-cable connector. Next steps 1. Install the battery. 2.
3. Note the speaker-cable routing and remove the speaker cable from the routing guides. 4. Disconnect the coin-cell battery cable from the system board. 5. Remove the coin-cell battery cable from the routing guides. NOTE: Depending on the configuration ordered, you may need to peel-off additional tape that adheres the coin-cell battery cable to the palm-rest and keyboard assembly. You may also need to temporarily remove the speaker cable, which routes through the same guides. 6.
2. 3. 4. 5. Install the wireless card. Install the battery. Install the base cover. Follow the procedure in After working inside your computer. Speakers Removing the speakers Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The following image indicates the location of the speakers and provides a visual representation of the removal procedure. Steps 1. Disconnect the speaker cable from the system board. 2.
About this task The following image indicates the location of the speakers and provides a visual representation of the installation procedure. Steps 1. Using the alignment posts, place the speakers on the palm-rest and keyboard assembly. 2. Route the speaker cables through the routing guides on the palm-rest and keyboard assembly. 3. Adhere the tape that secures the speaker cable to the system board. 4. Connect the speaker cable to the system board. Next steps 1. Install the battery. 2.
Steps 1. Disconnect the power-adapter port cable from the system board. 2. Remove the screw (M2x3) that secures the power-adapter port to the palm-rest and keyboard assembly. 3. Lift the power-adapter port, along with its cable, off the palm-rest and keyboard assembly. Installing the power-adapter port Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Place the power-adapter port into the slot on the palm-rest and keyboard assembly. 2. Replace the screw (M2x3) that secures the power-adapter port to the palm-rest and keyboard assembly. 3. Connect the power-adapter cable to the connector on the system board. Next steps 1. 2. 3. 4. Install the display assembly. Install the battery. Install the base cover. Follow the procedure in After working inside your computer. Power button Removing the power-button board Prerequisites 1. 2. 3. 4.
Steps 1. Remove the two screws (M2.5x5) that secure the right display hinge to the palm-rest and keyboard assembly. 2. Lift the right display hinge. 3. Lift the latch and disconnect the power-button cable from the system board. 4. Peel the adhesive tape above the power-button board. 5. Remove the two screws (M2x2) and the two screws (M2x3) that secure the power-button board to the palm-rest and keyboard assembly. 6. Lift the power-button board off the palm-rest and keyboard assembly.
Steps 1. Align and place the power-button board into the slot on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x2) and the two screws (M2x3) that secure the power-button board to the palm-rest and keyboard assembly. 3. Adhere the adhesive tape above the power-button board. 4. Connect the power-button cable to the connector on the system board and close the latch. 5. Close the right display hinge and replace the two screws (M2.
Power button with fingerprint reader (optional) Removing the power button with fingerprint reader (optional) Prerequisites NOTE: This procedure is only applicable to computers shipped with a power button with fingerprint reader. 1. 2. 3. 4. 5. Follow the procedure in Before working inside your computer. Remove the base cover. Remove the battery. Remove the fan. Remove the I/O board.
Steps 1. Remove the two screws (M2.5x5) that secure the right display hinge to the palm-rest and keyboard assembly. 2. Lift the right display hinge. 3. Open the latch and disconnect the power-button cable from the connector on the system board. 4. Disconnect the fingerprint-reader cable from the connector on the power-button board. 5. Remove the two screws (M2x2) that secure the power-button bracket to the palm-rest and keyboard assembly. 6.
Steps 1. Align and place the power button with fingerprint reader into the slot on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x3) that secure the power button with fingerprint reader to the palm-rest and keyboard assembly. 3. Replace the two screws (M2x2) that secure the power button with fingerprint-reader bracket to the palm-rest and keyboard assembly. 4. Connect the fingerprint-reader cable to the connector on the power-button board. 5.
System board Removing the system board Prerequisites NOTE: The system board is removed and installed with the heat sink attached, when replacing the palm-rest and keyboard assembly. This simplifies the procedure and avoids breaking the thermal bond between system board and the heat sink. 1. 2. 3. 4. 5. 6. 7. 8. Follow the procedure in Before working inside your computer. Remove the base cover. Remove the battery. Remove the solid-state drive. Remove the memory module. Remove the wireless card.
Steps 1. Open the latch and disconnect the I/O-board cable from the system board. 2. Open the latch and disconnect the power-adapter port cable from the system board. 3. Disconnect the coin-cell battery cable and the speaker cable from the system board.
4. Open the respective latches and disconnect the touchpad cable, the keyboard-backlight cable, and the keyboard cable from their connectors on the system board. 5. Remove the five screws (M2x2) and the two screws (M2x3) that secure the system board to the palm-rest and keyboard assembly. 6. Lift the system board off the palm-rest and keyboard assembly. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
3. Connect the touchpad cable, the keyboard-backlight cable, and the keyboard cable to their respective connectors on the system board and close the respective latches. 4. Connect the coin-cell battery cable and the speaker cable to the connectors on the system board. 5. Connect the power-adapter port cable to the system board and close the latch. 6. Connect the I/O-board cable to the system board and close the latch. Next steps 1. 2. 3. 4. 5. 6. 7. 8. Install the display assembly.
Installing the palm-rest and keyboard assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task Place the palm-rest and keyboard assembly on a flat surface. Next steps 1. Install the system board. NOTE: The system board is removed and installed with the heat sink attached, when replacing the palm-rest and keyboard assembly.
3 Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ 000123347.
4 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: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. NOTE: Before you change BIOS Setup program, it is recommended that you write down the BIOS Setup program screen information for future reference.
● Bring up the one-time boot menu by pressing F12 key The one-time boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are: ● 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 The boot sequence screen also displays the option to access the System Setup screen.
Table 4. System setup options—System information menu (continued) Overview AC Adapter Displays whether an AC adapter is installed. PROCESSOR Processor Type Displays the processor type. Maximum Clock Speed Displays the maximum processor clock speed. Minimum Clock Speed Displays the minimum processor clock speed. Current Clock Speed Displays the current processor clock speed. Core Count Displays the number of cores on the processor. Processor ID Displays the processor identification code.
Table 5. System setup options—Boot options menu (continued) Boot Options Default: OFF UEFI Boot Path Security Enables or disables the system to prompt the user to enter the Admin password when booting a UEFI boot path from the F12 boot menu. Default: Always Except Internal HDD BIOS Setup Advanced Mode Enables or disables advanced BIOS settings. Default: ON Table 6. System setup options—System Configuration menu System Configuration Date/Time Date Sets the computer date in MM/DD/YYYY format.
Table 6. System setup options—System Configuration menu (continued) System Configuration Default: 10 seconds Keyboard Backlight Timeout on Battery Configures the timeout value for the keyboard when the computer is running on battery. The keyboard backlight timeout value is only effect when the backlight is enabled. Default: 10 seconds Table 7. System setup options—Video menu Video LCD Brightness Brightness on battery power Sets the screen brightness when the computer is running on battery power.
Table 8. System setup options—Security menu (continued) Security Default: OFF Clear Enables or disables the computer to clear the PTT owner information, and returns the PTT to the default state. Default: OFF Intel SGX Enables or disables the Intel Software Guard Extensions (SGX) to provide a secured environment for running code/storing sensitive information. Default: Software Control Table 9.
Table 11. System setup options—Performance menu (continued) Performance Default: ON Intel TurboBoost Technology Enable Intel Turbo Boost Technology Enables or disables the Intel TurboBoost mode of the processor. If enabled, the Intel TurboBoost driver increases the performance of the CPU or graphics processor. Default: ON Intel Hyper-Threading Technology Enable Intel Hyper-Threading Technology Enables or disables the Intel Hyper-Threading Technology to use processor resources more efficiently.
Table 12. System setup options—Power Management menu (continued) Power Management Default: OFF Power On Lid Open Enables the computer to power up from the off state whenever the lid is opened. Default: ON Table 13. System setup options—Wireless menu Wireless Wireless Device Enable Enables or disables internal WLAN/Bluetooth devices. WLAN Default: ON Bluetooth Default: ON Table 14.
Table 15. System setup options—Virtualization menu (continued) Virtualization VT for Direct I/O Enables the computer to perform Virtualization Technology for Direct I/O (VTd). VT-d is an Intel method that provides virtualization for memory map I/O. Default: ON Table 16. System setup options—Maintenance menu Maintenance Asset Tag Asset Tag Creates a system Asset Tag that can be used by an IT administrator to uniquely identify a particular system. Once set in BIOS, the Asset Tag cannot be changed.
Table 18. System setup options—SupportAssist menu SupportAssist Dell Auto operating system Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery tool. Default: 2 SupportAssist OS Recovery Enables or disables the boot flow for SupportAssist operating system Recovery tool in the even of certain system errors. Default: ON BIOSConnect Enables or disables attempting cloud Service OS recovery.
Deleting or changing an existing system setup password Prerequisites Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked. About this task To enter the System Setup, press F12 immediately after a power-on or reboot. Steps 1. In the System BIOS or System Setup screen, select System Security and press Enter.
Updating the BIOS Updating the BIOS in Windows Steps 1. Go to www.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You can also use the product ID or manually browse for your computer model. 3. Click Drivers & Downloads. Expand Find drivers. 4. Select the operating system installed on your computer. 5.
Updating from the One-Time boot menu To update your BIOS from the F12 One-Time boot menu, you need the following: ● ● ● ● USB drive formatted to the FAT32 file system (key does not have to be bootable) BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive AC power adapter that is connected to the computer Functional computer battery to flash the BIOS Perform the following steps to perform the BIOS update flash process from the F12 menu: CAUTION: Do
5 Troubleshooting Handling swollen Lithium-ion batteries Like most laptops, Dell laptops use lithium-ion batteries. One type of lithium-ion battery is the lithium-ion polymer battery. Lithium-ion polymer batteries have increased in popularity in recent years and have become standard in the electronics industry due to customer preferences for a slim form factor (especially with newer ultra-thin laptops) and long battery life.
System diagnostic lights Battery-status light Indicates the power and battery-charge status. Solid white — Power adapter is connected and the battery has more than 5 percent charge. Amber — Computer is running on battery and the battery has less than 5 percent charge. Off ● Power adapter is connected and the battery is fully charged. ● Computer is running on battery and the battery has more than 5 percent charge. ● Computer is in sleep state, hibernation, or turned off.
SupportAssist diagnostics About this task The SupportAssist diagnostics (previously known as ePSA diagnostics) performs a complete check of your hardware. The SupportAssist diagnostics is embedded in the BIOS and is launched by it internally. The SupportAssist diagnostics provides a set of options for particular devices or device groups. It allows you to: ● Run tests automatically or in an interactive mode.
When you notice screen abnormalities like flickering, distortion, clarity issues, fuzzy or blurry image, horizontal or vertical lines, color fade etc., it is always a good practice to isolate the LCD (screen) by running the Built-In Self Test (BIST). How to invoke LCD BIST Test 1. 2. 3. 4. 5. 6. 7. 8. Power off the Dell laptop. Disconnect any peripherals that are connected to the laptop. Connect only the AC adapter (charger) to the laptop.
Flea power release About this task Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed. The following procedure provides the instructions on how to conduct flea power release: Steps 1. Turn off your computer. 2. Disconnect the power adapter from your computer. 3. Press and hold the power button for 15 seconds to drain the flea power. 4. Connect the power adapter to your computer. 5. Turn on your computer.
6 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 22. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com Tips Dell Help & Support app NOTE: Availability varies by country. My Dell app NOTE: Availability varies by country. Accessing help NOTE: Availability varies by country. In Windows search, type Help & Support, and press Enter.
NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.