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Hard drive
NOTE: All hard drive spare part kits include a hard drive bracket and screws.
Description Spare part number
750-GB, 7200-rpm hard drive 633252-001
750-GB, 5400-rpm hard drive 634250-001
640-GB, 5400-rpm hard drive 669300-001
500-GB, 7200-rpm hard drive 634925-001
500-GB, 7200-rpm hard drive (locked) 718475-001
500-GB, 5400-rpm hard drive (4540s models only) 683802-001
500-GB, 5400-rpm hard drive (4440s/4441s models only) 669299-001
320-GB, 7200-rpm hard drive 641672-001
320-GB, 5400-rpm hard drive (4540s models) 645193-001
320-GB, 5400-rpm hard drive (4440s/4441s models only) 622643-001
128-GB solid-state drive 684253-001
Hard Drive Hardware Kit (includes hard drive bracket and screws) 683488-001
Before disassembling the computer, 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 55).
5. Remove the bottom door (see
Bottom door on page 58).
NOTE: Instructions for removing the hard drive are imprinted on the service door.
Remove the hard drive:
1. Position the computer upside-down.
2. Remove the four Phillips PM2.0×4.0 screws (1) that secure the hard drive to the computer.
62 Chapter 4 Removal and replacement procedures