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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
500-GB, 7200-rpm hard drive 634926-001
500-GB, 7200-rpm (for use in the upgrade bay) 656424-001
320-GB, 7200-rpm hard drive 641672-001
320-GB, 7200-rpm hard drive (Self-Encrypting Drive (SED)) 626978-001
250-GB, 7200-rpm hard drive 635225-001
128-GB solid-state drive 643917-001
Upgrade Bay – Hard Drive Adapter Kit 643921-001
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 42).
5. Remove the bottom door (see
Bottom door on page 49).
Remove the hard drive:
1. Position the computer upside-down, with the battery bay toward you.
2. If necessary, lift the smart card reader out of the way.
3. Loosen the three captive Phillips screws (1) that secure the hard drive to the computer.
4. Grasp the Mylar tab on the hard drive and slide the hard drive to the right (2) to disconnect it
from the system board connector.
54 Chapter 4 Removal and replacement procedures