Locating Components - Lenovo ThinkCentre M77 2227 SFF User Manual

Locating components

Figure 3 "Component locations" on page 10 shows the locations of the various components in your
computer. To open the computer cover, see "Opening the computer cover" on page 28.
Figure 3. Component locations
1
Heat sink and fan assembly
2
Microprocessor
3
Power supply assembly
4
Memory module
5
Optical drive
6
Front audio and USB assembly
7
Front bezel
10
ThinkCentre User Guide
8
System fan
9
Internal speaker (installed in some models)
10
Cover presence switch (Intrusion switch)
11
Hard disk drive
12
PCI card (installed in some models)
13
System board
14
Heat sink fan duct