Microprocessor; System Board - Lenovo ThinkCentre M90s Gen 2 Hardware Maintenance Manual

Microprocessor

Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.
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.
For access, remove these FRUs in order, if any:
• "Computer cover" on page 61
• "Optical drive" on page 63
• "Heat sink and fan assembly" on page 84
Notes:
• Touch only the edges of the microprocessor. Do not touch the gold contacts on the bottom.
• Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept
as clean as possible.
Removal steps

System board

Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions..
CAUTION:
. 87
Chapter 6 Hardware removal and installation