Hard drive
Description Spare part number
750 GB, 7200 rpm hard drive 633252-001
500 GB, 7200 rpm hard drive 634926-001
320 GB, 7200 rpm, Self Encrypting hard drive 626978-001
320 GB, 7200 rpm hard drive, 2.5-in 641672-001
320 GB, 7200 rpm hard drive, 7-mm 641674-001
256 GB solid-state drive (SSD) 653435-001
256 GB solid-state drive, SATA III 681121-001
256 GB solid-state drive, Self-Encrypting Drive (SED) 684564-001
128 GB solid-state drive (SSD) 653434-001
128 GB solid-state drive, SATA III 681120-001
Hard drive upgrade bay 655547-001
Hard Drive Hardware Kit (includes hard drive bracket and screws) 644694-001
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 48).
5. Remove the service access cover (see
Service access cover on page 50).
Remove the hard drive:
1. Position the computer upside-down, with the front toward you.
2. Remove the tape from the top of the smart card reader door (1).
60 Chapter 4 Removal and replacement procedures
