Lenovo ThinkCentre M600, Hardware Maintenance Manual

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7. Insert the new M.2 storage drive into the M.2 storage drive slot. Ensure that the side with the circuit
board is facing down. Then, pivot the M.2 storage drive downward so that the fastener notch on the M.2
storage drive aligns with the plastic mounting stud on the system board.
Figure 36. Installing the M.2 storage drive
8. Plug the plastic fastener to secure the M.2 storage drive to the system board.
Figure 37. Installing the M.2 storage drive screw
9. Install the heat sink. See “Replacing the heat sink” on page 89.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 111.
Replacing the coin-cell battery
Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 “Read this first: Important safety information” on page 1.
Your computer has a special type of memory that maintains the date, time, and settings for built-in features,
such as parallel-connector assignments (configuration). A coin-cell battery keeps this information active
when you turn off the computer.
The coin-cell battery normally requires no charging or maintenance throughout its life; however, no coin-cell
battery lasts forever. If the coin-cell battery fails, the date, time, and configuration information (including
passwords) are lost. An error message is displayed when you turn on the computer.
Refer to the “Lithium coin-cell battery notice” in the Safety and Warranty Guide for information about
replacing and disposing of the coin-cell battery.
To replace the coin-cell battery, do the following:
Chapter 9
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Installing or replacing hardware
99