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8. Plug the plastic fastener to secure the M.2 storage drive to the system board.
Figure 62. Installing the M.2 storage drive screw
9. Reinstall the heat sink or the storage drive bracket if you have removed any one of them. See "Replacing
the heat sink" on page 116 or "Replacing the 2.5-inch storage drive (for 10G8, 10G9, 10GA, 10GB,
10GC, 10GD, 10GE, and 10GF)" on page 123.
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 140.
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:
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See "Removing the computer cover" on page 112.
3. Locate the coin-cell battery. See "Computer components" on page 31.
4. Remove any parts that might prevent your access to the coin-cell battery. Depending on your computer
model, you might need to remove the heat sink or the storage drive bracket. See "Replacing the heat
sink" on page 116 or "Replacing the 2.5-inch storage drive (for 10G8, 10G9, 10GA, 10GB, 10GC,
10GD, 10GE, and 10GF)" on page 123.
.
Chapter 9
Installing or replacing hardware
127
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