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7. Secure the coin-cell battery with the latch.
8. Reinstall all removed parts.
9. Reset the system date and time in the UEFI BIOS menu.
To dispose of the coin-cell battery, refer to the "Lithium coin-cell battery notice" in the Safety and Warranty
Guide.
Wi-Fi card and Wi-Fi card shield
Prerequisite
Before you start, read Chapter 1 "Important safety information" on page 1 and print the following
instructions.
Replacement procedure
1. Remove the computer cover. See "Computer cover" on page 67.
2. Remove the hard disk drive and hard disk drive bracket, if any. See "Hard disk drive and hard disk drive
bracket" on page 69.
.
Chapter 6
Hardware removal and installation
75
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