
CHAPTER 4: Upgrading Your Computer
Replacing the power supply
To replace the power supply:
1Remove the back panel by following the instructions in “Opening the case” on page 35.
2Remove the processor fan by following the instructions in “Replacing the processor fan” on page 37.
3Unplug the power supply from the system board.
4Pull the power supply release lever out (toward you) until the power supply slides freely, then slide the power supply out of the computer.
5Slide the new power supply into the power supply bay until it clicks into place.
6Plug the new power supply into the system board.
7Replace the processor fan by following the instructions in “Replacing the processor fan” on page 37.
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