Dell 3905 Computer Drive User Manual


 
Installing the System Fan
1. Place the system fan on the computer.
2. Tighten the screws to secure the system fan to the computer.
3. Connect the system-fan cable to the connector on the system board.
4. Install the cover.
5. Follow the procedures in After Working Inside Your Computer.
Removing the System Board
1. Follow the procedures in Before Working Inside Your Computer.
2. Remove the:
cover
bezel
optical drive
hard drive
heatsink module
processor
memory
expansion cards
I/O panel
3. Follow the steps to remove the system board:
a. Disconnect and un-thread all the cables connected to the system board.
b. Remove the screws that secure the system board to the computer.
c. Slide the system board towards the front of the computer and tilt to a 45–degree angle.
d. Lift and remove the system board out of the computer.
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