Specifications

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
320-GB, 7200-rpm hard drive 641672-001
250-GB, 7200-rpm hard drive 635225-001
160-GB solid-state drive (SSD) 649657-001
128-GB solid-state drive (SSD) 649658-001
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 49).
5. Remove the bottom cover (see
Bottom cover on page 51).
Remove the hard drive:
1. Position the computer upside-down, with the battery bay toward you.
2. Loosen the three Phillips PM2.5×12.0 captive screws (1) that secures the hard drive to the
computer.
3. Grasp the Mylar tab (2) on the hard drive and slide the hard drive to the left to disconnect it from
the system board.
60 Chapter 4 Removal and replacement procedures