Hardware Upgrades
To install an expansion card:
1.If you have locked the Smart Cover Lock, restart the computer and enter Computer Setup to unlock the lock.
2.Turn off the computer properly through the operating system and turn off any external devices.
3.Disconnect the power cord from the power outlet, then disconnect any external devices.
4.Remove the computer access panel.
5.Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis.
6.Push down and out on the two green thumb tabs inside the chassis and rotate the expansion card retention latch up.
Opening the Expansion Slot Retainer
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