Lenovo AIO V540-24IWL, Hardware Maintenance Manual, Page: 81 / 96

9. Turn on the computer and all attached devices.
Note: When the computer is turned on for the first time after the coin-cell battery is replaced, an error
message might be displayed. This is normal after the coin-cell battery is replaced. To dispose of the
coin-cell battery, refer to the "Lithium coin-cell battery notice" in the Safety and Warranty Guide.
Memory module
Prerequisite
Before you start, read Chapter 2 “Important safety information” on page 27 and print the following
instructions.
Before you open the computer cover, turn off the computer and wait several minutes until the computer is
cool.
Replacement procedure
1. Remove the computer stand. See “Computer stand” on page 57.
2. Remove the computer cover. See “Computer cover” on page 59.
3. Remove the internal speakers. See “Internal speakers” on page 61.
4. Remove the VESA mount bracket. See “VESA mount bracket” on page 62.
5. Remove the system board shield. See “System board shield and system fan” on page 63.
6. Remove the memory module.
Chapter 6
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Hardware removal and installation
75