Replacing The E-Lock - Lenovo ThinkCentre M720t User Manual And Hardware Maintenance Manual

Figure 123. Pressing the coin-cell battery downward until it is fully engaged with a click
Figure 124. Closing the drive bay
4. Complete the replacement. See "Completing the parts replacement" on page 74.
To dispose of the coin-cell battery, refer to the "Lithium coin-cell battery notice" topic in the Safety and
Warranty Guide.

Replacing the E-lock

Attention: Do not open your computer or attempt any repairs before reading the Important Product
Information Guide.
Note: To remove the screws, you need a special tool (T15 star wrench).
1. Remove the computer cover. See "Removing the computer cover" on page 23.
2. Disconnect the E-lock cable from the system board.
3. Replace the E-lock.
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Chapter 4 Replacing hardware
69