System information

Hard drive

NOTE: The hard drive spare part kit does not include the hard drive bracket, connector cable, rubber

isolators, or screws. These components are included in the Hard Drive Hardware Kit, spare part

number 664913-001.

Description Spare part number

500-GB, 5400-rpm 634932-001

320-GB, 5400-rpm 645193-001

250-GB, 5400-rpm 645191-001

Before removing the hard drive, follow these steps:

1. Shut down 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 all external devices connected to the computer.

3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet

and then unplugging the AC adapter from the computer.

4. Remove the battery (see

Battery on page 50).

5. Remove the service cover (see

WLAN module on page 52).

Remove the hard drive:

1. Disconnect the hard drive connector cable (1) from the system board.

2. Remove the Phillips PM 2.0×5.0 screw (2) that secures the hard drive to the computer.

3. Use the pull tab (3) to lift the left side of the hard drive until it rests at an angle.

Component replacement procedures