Hard drive
Description Spare part number
750 GB, 7200 rpm hard drive 633252-001
500 GB, 7200 rpm hard drive 634925-001
500 GB, 7200 rpm , SED hard drive 683801-001
320 GB, 7200 rpm hard drive 634862-001
256 GB SATA III SED SSD 694683-001
180 GB SATA II SSD 694684-001
160 GB SATA II SSD 694685-001
128 GB SATA III SSD 653434-001
128 GB SATA III SSD locked 705053-001
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 54).
5. Remove the service door (see
Service door on page 60).
Remove the hard drive:
IMPORTANT: Make special note of each screw and screw lock size and location during removal
and replacement.
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).
72 Chapter 4 Removal and replacement procedures