62
Removing the System Board
If you need to remove the system board from the computer, follow these instructions to do so.
WARNING
Unplug the power supply when adding or removing a processor, any expansion cards, or
other system components. Failure to do so may cause severe damage to the system
board and its components.
WARNING
The system board and other computer components contain delicate integrated circuit
chips. To protect the system board and computer components against damage from
static electricity, unplug the computer when working inside it.
WARNING
Handle the system board and other computer components as little as possible, and by
the edges only. Do not touch system board components unless instructed. Wear an
antistatic grounding strap when handling the system board or other computer
components.
To remove the system board:
1.
Exit or shut down any running programs, and then shut down the operating system.
2.
Turn off power to the system and the monitor.
3.
Switch the power breaker on the back panel of the system to the O position.
4.
Unplug all connecting cables from external equipment such as the keyboard, the mouse,
the monitor, a printer, speakers, a microphone, peripherals attached to COM ports, and
cables from any installed expansion cards.
5.
Open the base unit as described in Chapter 6, “Expanding the System.”
6.
Remove all the cables connected to the system board, such as cables from the hard disk
drives, the floppy disk drive, and the CD-ROM drive, power cables, LED cables, and so
on.
7.
Remove all installed expansion cards from the board, using a screwdriver to loosen the
screw securing the card to the chassis.
8.
Using a screwdriver, loosen the screws securing the system board to the chassis, and
carefully remove the system board from the computer.
