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To replace the ExpressCard, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer cover. See “Removing the computer cover” on page 42.
4. Locate the ExpressCard. See “Locating components” on page 15.
5. Carefully remove the four screws 1 that secure the ExpressCard to the system board and then lift it
off the system board.
Figure38. Removing the ExpressCard
6. Connect the new ExpressCard to the ExpressCard connector on the system board. Align the screw
holes in the new ExpressCard with the corresponding holes in the system board and then install the
four screws to secure the new ExpressCard to the system board.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 71.
Replacing the heat sink and fan assembly for GPU
Attention:
Do not open your computer or attempt any repair before reading and understanding “Important safety information”
on page v
.
This section provides instructions on how to replace the heat sink and fan assembly for GPU.
Note: The heat sink and fan assembly for GPU is available only in models installed with the GPU.
64 ThinkCentre M93z User Guide