Inspiron 20 3000 Service Manual Computer Model: Inspiron 20–3059 Regulatory Model: W15B Regulatory Type: W15B003
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. 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. © 2016 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws.
Contents Before working inside your computer............................ 9 Before you begin ...................................................................................... 9 Safety instructions...................................................................................10 Recommended tools.................................................................................11 After working inside your computer..............................12 Technical overview.......................................
Replacing the back cover.............................................25 Procedure............................................................................................... 25 Post-requisites........................................................................................25 Removing the hard drive..............................................26 Prerequisites........................................................................................... 26 Procedure....................................
Replacing the control-buttons board........................... 42 Procedure............................................................................................... 42 Post-requisites........................................................................................ 42 Removing the microphone........................................... 43 Prerequisites........................................................................................... 43 Procedure...........................................
Replacing the coin-cell battery.................................... 56 Procedure............................................................................................... 56 Post-requisites........................................................................................56 Removing the fan.........................................................57 Prerequisites........................................................................................... 57 Procedure.................................
Replacing the system board.........................................69 Procedure............................................................................................... 69 Post-requisites........................................................................................69 Removing the display cable.......................................... 71 Prerequisites............................................................................................ 71 Procedure.....................................
Procedure......................................................................................... 84 Clearing CMOS Settings......................................................................... 84 Procedure......................................................................................... 85 Flashing the BIOS........................................................
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. The shut-down instruction varies depending on the operating system installed on your computer. – Windows 10: Click or tap Start → Power → Shut down. – Windows 8.1: On the Start screen, click or tap the power icon down.
Safety instructions Use the following safety guidelines to protect your computer from potential damage and ensure your personal safety. WARNING: 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. WARNING: Disconnect all power sources before opening the computer cover or panels.
Recommended tools The procedures in this document may require the following tools: • Phillips screwdriver • Plastic scribe 11
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.
Technical overview WARNING: 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.
11 coin-cell battery System-board components 1 wireless-card slot (NGFF_WIFI) 2 memory-module slots (2) 3 camera-cable connector (WEBCAM) 4 CMOS jumper (CMCL R2) 5 password jumper (PSWD) 6 coin-cell battery 14
7 speaker-cable connector (SPEAKER) 8 touch-screen board cable connector (TOUCH) 9 control-buttons board cable connector 10 display-panel power cable connector (PWRCN) 11 display-cable connector 12 hard-drive data cable connector (SATA_HDD) 13 optical-drive data cable connector (SATA_HDD) 14 hard-drive and optical-drive power cable connector (SATAP1) 15 fan-cable connector (FAN_CPU) 15
Removing the stand WARNING: 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: These procedures are applicable only for computers with an easel stand.
4 Slide and remove the stand from the back cover.
Replacing the stand WARNING: 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 chapter is applicable only for systems with an easel stand.
Replacing the optical drive WARNING: 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 stand.
2 Pull the optical-drive assembly out of the optical-drive bay. 1 optical-drive assembly 3 plastic scribe 2 optical-drive bracket 3 Carefully pull the optical-drive bezel and remove it from the optical drive. 4 Remove the screws that secure the optical-drive bracket to the optical drive.
5 Remove the optical-drive bracket from the optical drive. NOTE: Note the orientation of the optical-drive bracket so that you can replace it correctly.
Removing the optical drive WARNING: 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 optical-drive bracket with the screw holes on the optical drive.
Removing the back cover WARNING: 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 stand.
2 Lift the back cover off the computer.
Replacing the back cover WARNING: 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.
Removing the hard drive WARNING: 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: Hard drives are fragile. Exercise care when handling the hard drive.
4 5 Slide and lift the hard-drive assembly off the display-assembly base. 1 touch-screen board cable 2 screw 3 hard-drive cable 4 hard-drive assembly Remove the screws that secure the hard-drive bracket to the hard drive.
6 28 Remove the hard drive from the hard-drive bracket.
Replacing the hard drive WARNING: 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: Hard drives are fragile. Exercise care when handling the hard drive.
Removing the memory module WARNING: 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 stand.
2 Slide and remove the memory module from the memory-module slot.
Replacing the memory module WARNING: 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 32 Align the notch on the memory module with the tab on the memory-module slot.
2 Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it.
Post-requisites 1 Replace the system-board shield. 2 Replace the back cover. 3 Follow the procedure in step 4 in “Replacing the optical drive”. 4 Replace the stand.
Removing the wireless card WARNING: 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 stand.
3 36 Slide the wireless card out of the wireless-card slot.
Replacing the wireless card WARNING: 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 notch on the wireless card with the tab on the wireless-card slot.
5 Connect the antenna cables to the wireless card.
Post-requisites 1 Replace the system-board shield. 2 Replace the back cover. 3 Follow the procedure in step 4 in “Replacing the optical drive”. 4 Replace the stand.
Removing the control-buttons board WARNING: 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 stand.
2 Open the latch and disconnect the control-buttons board cable from the control-buttons board.
Replacing the control-buttons board WARNING: 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.
Removing the microphone WARNING: 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 NOTE: These steps are applicable for touch-screen models only.
2 44 Disconnect the microphone cable from the microphone module.
Replacing the microphone WARNING: 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 microphone cable to the microphone module.
Removing the system-board shield WARNING: 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 stand.
2 Lift the system-board shield off the display-assembly base.
Replacing the system-board shield WARNING: 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.
Removing the camera WARNING: 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 NOTE: This chapter is applicable only for systems with a touch screen display.
4 Remove the camera cable from the tab on the back of the camera frame. 1 microphone and camera cable 2 routing guides 3 tab 4 display-assembly base 5 antenna cable 5 Using your fingertips, push the securing clip and turn the camera over. 6 Disconnect the camera cable from the camera.
7 Release the camera frame from the tab on the display-assembly base and lift it off.
8 Peel off the camera from the camera frame.
Replacing the camera WARNING: 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 Adhere the camera to the camera frame. 2 Connect the camera cable to the camera module.
Removing the coin-cell battery WARNING: 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.
1 plastic scribe 3 battery socket 2 coin-cell battery 55
Replacing the coin-cell battery WARNING: 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.
Removing the fan WARNING: 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 stand. 2 Follow the procedure from step 1 to step 2 in “Removing the optical drive”.
3 58 Lift and slide the fan from under the heat sink.
Replacing the fan WARNING: 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 Slide the fan under the heat sink and place it on the display-assembly base.
Removing the heat sink WARNING: 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. WARNING: The heat sink may become hot during normal operation.
3 Lift the heat sink off the system board.
Replacing the heat sink WARNING: 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.
Removing the speakers WARNING: 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 stand.
3 64 Lift the speakers, along with the speaker cable, off the display bezel.
Replacing the speakers WARNING: 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.
Removing the system board WARNING: 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.
2 Open the latches and disconnect the control-buttons board cable and display cable from the system board. 1 fan cable 2 hard-drive and optical-drive power cable 3 optical-drive data cable 4 hard-drive data cable 5 microphone and camera cable 6 speaker cable 7 display-panel power cable 8 control-buttons board cable 9 touch-board cable 10 display cable NOTE: The touchboard cable is not available on the nontouch systems.
4 Lift the system board off the display-assembly base.
Replacing the system board WARNING: 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.
7 70 Replace the stand.
Removing the display cable WARNING: 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 stand.
3 72 Lift the display cable off the display assembly.
Replacing the display cable WARNING: 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 display cable to the display assembly and close the latch to secure the cable.
Removing the display assembly WARNING: 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 stand.
3 4 Note the routing of the optical-drive data, touch-board, display backlight, hard drive, and control-buttons board cables and remove the cables from the routing guides on the display-assembly base. 1 screws (2) 2 optical-drive data cable 3 touch-screen board cable 4 display-panel power cable 5 hard-drive cable 6 control-buttons board cable Remove the screws that secure the display-assembly base to the display assembly.
5 Release the display-assembly base from the tabs on the display assembly. 1 display-assembly base 2 screws (12) 3 display assembly 4 tabs (8) 6 Lift the display-assembly base off the display assembly. 7 Remove the rubber feet.
1 display assembly 77
Replacing the display assembly WARNING: 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 Replace the rubber feet.
10 Replace the microphone. 11 Replace the control-buttons board. 12 Follow the procedure in step 3 to step 7 in “Replacing the hard-drive”. 13 Replace the back cover. 14 Follow the procedure in step 4 in “Replacing the optical drive”. 15 Replace the stand.
Removing the rubber feet WARNING: 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 stand.
2 Lift the rubber feet off the display bezel.
Replacing the rubber feet WARNING: 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 rubber feet with the screw holes on the display bezel.
BIOS setup program Overview 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 BIOS setup program to: • Get information about the hardware installed in your computer, such as the amount of RAM, the size of the hard drive, and so on.
Clearing forgotten passwords WARNING: 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 Locate the password jumper (PSWD) on the system board.
Procedure 1 Locate the CMOS jumper (CMCL R2) on the system board. NOTE: For more information on the location of the jumper, see “System-board components”. 2 Remove the jumper plug from the password jumper-pins and connect it to the CMOS jumper-pins. 3 Wait for 5 seconds and then replace the jumper plug to its original location.
Flashing the BIOS You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: 1 Turn on your computer. 2 Go to www.dell.com/support. 3 Click Product support, 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 → Find it myself. 5 Select the operating system installed on your computer.
