Removing The Cover - Lenovo ThinkCentre 3656 Hardware Maintenance Manual

1
Voltage selection switch (some
models)
2
Power cord connector
3
Standard mouse connector
4
Standard keyboard connector
5
Digital video interface (DVI) monitor
connector
6
Parallel connector
7
Video graphics array (VGA) monitor
connector
8
USB connectors (4)
9
Ethernet connector

Removing the cover

CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and wait
three to five minutes to let the computer cool before opening the computer cover.
This section provides instructions on how to remove the cover.
To remove the cover, do the following:
1. Shut down the operating system, remove any media (DVDs, CDs, or tapes) from the drives, and turn off
all attached devices.
2. Unplug all power cords from electrical outlets.
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ThinkCentre Hardware Maintenance Manual
10
USB connectors (2)
11
Microphone connector
12
Audio line-out connector
13
Audio line-in connector
14
PCI Express x1 adapter connector
15
PCI Express x16 graphics adapter connector
16
PCI adapter connectors (2)
17
Serial connector (some models)