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4. Close the computer display, and turn the computer over. Reinstall the screws.
5. Reinstall the memory slot cover back in place.
6. Reinstall the battery. See “Replacing the battery” on page 72.
7. Turn the computer over again. Connect the ac power adapter and all cables.
Replacing and installing a memory module
Increasing memory capacity is an effective way to make programs run faster. You can increase the amount
of memory in your computer by installing a double data rate three (DDR3) synchronous dynamic random
access memory (SDRAM) unbuffered small outline dual inline memory module (SO-DIMM), available as an
option, in the memory slot of the computer.
When installing or replacing a memory module, be sure to follow the precautions.
Note: The operating speed of the memory module has dependency on the system conguration. In some
conditions, the memory in your computer might not be able to operate at the maximum speed.
Attention: Before you start installing a memory module, touch a metal table or a grounded metal object. This
action reduces any static electricity from your body. The static electricity could damage the memory module.
82 User Guide