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NOTE:
If the WLAN antenna is not connected to the terminal on the WLAN module, a protective sleeve
should be installed on the antenna connector, as shown in the following illustration.
Reverse this procedure to install the WLAN module.
Memory module
Description
8-GB memory module (PC3, 12800, 1600)
4-GB memory module (PC3, 12800, 1600)
NOTE:
Before adding a memory module, make sure the computer has the most recent BIOS version,
and update the BIOS if needed.
Before removing a memory module, follow these steps:
1.
Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the bottom cover (see
Remove the memory module:
1.
Disconnect the battery cable from the system board.
Bottom cover on page
27).
Spare part number
693374-001
691740-001
Component replacement procedures
33
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