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Replacing a disk drive
Changing the optical drive
Replacing the battery
W hen you have been using your Pavilion for a while, you may find that a piece of hardware in your CPU wears out, or you may want to replace an item with a newer technology. You can, for example, put in a new disk drive, change the CRW optical drive, or replace the battery that provides backup power to keep your computer's date and time calculations functioning.