Removing And Replacing The Microprocessor - IBM ThinkCentre 8171 Replacement Manual

Removing and replacing the microprocessor

When you receive a new microprocessor, you will also receive a new heat sink and
vacuum pen. You must use the new heat sink with the new microprocessor. If you
use the old heat sink with the new microprocessor, your computer might overheat
causing intermittent problems.
To remove the microprocessor, do the following:
10
Hardware Removal and Replacement Guide
Attention
Do not open your computer or attempt any repair before reading the "Safety
notices" in the Quick Reference that was included with your computer. If you
no longer have this copy of the Quick Reference, you can obtain one online
from the IBM Web site at http://www.ibm.com/pc/support.
Important
Shut down and turn off your computer for at least one hour before removing
the microprocessor to allow the thermal interface between the microprocessor
and the heat sink time to cool down.
Important
Avoid handling the microprocessor with your hands, and avoid contact with
the microprocessor contacts. Use the vacuum pen provided to remove and
install the microprocessor. If you must touch the microprocessor, touch only
the sides.
1. Turn off the computer and allow it to cool for one hour.
2. Open the cover. Go to "Opening the cover" on page 1.
3. Pivot the drive bay assembly upward to gain access to the microprocessor.