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Replacing the System Board 287
9
Replacing the System Board
Removing the System Board: Mini Tower, Desktop, and Small Form Factor Computers
1
Follow the procedures in "Before You Begin" on page 19.
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal
surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal
surface to dissipate any static electricity that could harm internal components.
2
Remove any components that restrict access to the system board such as: the (optical drive(s),
floppy drive, hard drive, and I/O panel (as applicable).
3
Remove the processor and heat sink assembly:
• Mini Tower: see "Processor" on page 83
• Desktop: see "Processor" on page 179
• Small Form Factor: see "Processor" on page 243
4
Disconnect all cables from the system board.
5
Remove the screws from the system board.
• "Mini Tower System Board Screws" on page 288
• "Desktop System Board Screws" on page 289
• "Small Form Factor System Board Screws" on page 290
6
Slide the system board assembly toward the front of the computer, and then lift the board up and
away.