System Board (Service-Only Procedure)
Removing the System Board
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
1Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2Open the system. See "Opening and Closing the System" on page 38.
3Disconnect any cables from the system board back panel.
4Remove the cooling shroud. See "Removing the Cooling Shroud" on page 39.
5Remove the
6Disconnect the two fan module power cables from the system board. See Figure
7Remove the power supply. See "Removing the Power Supply" on page 42.
8If applicable, disconnect the optical drive cable from the system board. See Figure
NOTICE: Do not pull on the cable to unseat the connector. Doing so can damage the cable.
aSqueeze the metal tabs on the ends of the cable connector.
bGently work the connector out of the socket.
9Disconnect the control panel cable from the system board. See Figure
NOTICE: Do not pull on the cable to unseat the connector. Doing so can damage the cable.
aSqueeze the metal tabs on the ends of the cable connector.
bGently work the connector out of the socket.
10Remove the system board:
a Pull the
b While pulling the release pin, slide the
CAUTION: The memory modules and processor heat sink are hot to the touch for some time after the system has been powered down. Allow time for these components to cool before handling them. Handle the memory modules by the card edges and avoid touching the components on the memory module.
NOTE: While removing the memory modules, record the memory module socket locations to ensure proper installation.
11Remove the memory modules. See "Removing Memory Modules" on page 49.
12Remove the heatsink(s) and microprocessor(s). See "Removing a Processor" on page 50.
Installing System Components
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