Dell Inspiron 20 Service Manual

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Contents

Replacing the System BoardWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore Working Inside Your Computer. After working inside yourcomputer, follow the instructions in After Working Inside YourComputer. For more safety best practices, see the RegulatoryCompliance home page at dell.com/regulatory_compliance.NOTE: Your computer’s Service Tag is stored in the system board. Youmust enter the Service Tag in the System Setup after you replace thesystem board.Procedure1 Place the system board on a clean and flat surface with memory-moduleslot facing upwards.2 Follow the instructions from step 1 to step 2 in “Replacing the Heat Sink”.3 Follow the instructions from step 1 to step 2 in “Replacing the MemoryModule”.4 Turn the system board over.5 Slide the ports on the system board into the slots on the system-boardbracket.6 Align the screw holes on the system board with the screw holes on thesystem-board bracket.7 Replace the screws that secure the system board to the system-boardbracket.8 Connect the camera and control-buttons board cable to the systemboard.9 Carefully turn the system-board bracket over.10 Align the screw holes on the system-board bracket with the screw holeson the display bezel.11 Replace the screws that secure the system-board bracket to the displaybezel.12 Connect the hard-drive cable, speaker cable, display cable, and display-backlight cable to the system board.For more information, see “System Board Components”.13 Slide the power-status light cable into the system-board connector andpress down on the connector latch to secure the cable.42