Replacing The Keyboard Or Wireless Keyboard - Lenovo ThinkCentre M720t User Manual And Hardware Maintenance Manual

Self-service CRUs
23
Front bezel
24
Dust shield
25
Keyboard
26
Mouse
27
Power cord
28
Storage converter
29
Primary or secondary storage
drive (a 2.5-inch or 3.5-inch storage
drive)
34
PCI Express card

Replacing the keyboard or wireless keyboard

Note: The wireless keyboard is available only on some models.
Replacing the keyboard
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Disconnect the old keyboard cable from the computer.
3. Connect a new keyboard to the appropriate connector on the computer.
Figure 10. Replacing the keyboard
Replacing the wireless keyboard
1. Remove your old wireless keyboard.
2. Take out the new wireless keyboard from the package.
3. Open the battery compartment cover, and install two AAA batteries according to the polarity indicators.
16
ThinkCentre M720t User Guide and Hardware Maintenance Manual
Optional-service CRUs Non-CRUs
18
Internal speaker
19
Wi-Fi antennas
20
Illuminated red dot cable
21
Thermal sensor
30
Storage drive cable
31
Front fan
33
Chassis
35
Cover presence switch (Intrusion
switch)
37
Wi-Fi antenna cover