Replacing The Microprocessor - Lenovo 30A0 Hardware Maintenance Manual

9. Reinstall the front bezel. See "Removing and reinstalling the front bezel" on page 87.
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 147.

Replacing the microprocessor

Attention:
Do not open your computer or attempt any repair before reading and understanding "Important safety information"
on page 1.
This section provides instructions on how to replace the microprocessor.
CAUTION:
The heat sink and microprocessor might be very hot. Before you open the computer cover, turn off
the computer and wait several minutes until the computer is cool.
To replace the microprocessor, 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. Remove the computer cover. See "Removing the computer cover" on page 86.
3. Lay the computer on its side for easier access to the system board.
4. Locate the system board and disconnect all cables connected to the system board. See "Locating
parts on the system board" on page 74.
5. Remove the heat sink and fan assembly. See "Replacing the heat sink and fan assembly" on page 105.
Note: Place the heat sink and fan assembly on its side so that the thermal grease on the bottom of it
does not get in contact with anything.
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Chapter 10 Replacing FRUs (machine types: 30A0 and 30A1)
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