Maintenance and Service Guide

Hard drive
NOTE: The hard drive spare part kit does not include the hard drive bracket, hard drive connector
cable, or screws. These components are available in the Hard Drive Hardware Kit, spare part number
728053-001.
Description Spare part number
1-TB, 5400-rpm, 9.5-mm hybrid drive with 8-GB NAND cache 731999-005
750-GB, 5400-rpm, 9.5-mm hybrid drive with 8-GB NAND cache 732001-001
1-TB 5400-rpm, 9.5-mm hard drive 676521-005
750-GB, 5400-rpm 9.5-mm 634250-005
Before removing the hard drive, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see
Bottom cover on page 23).
5. Remove the rear cover (see
Rear cover on page 26).
Remove the hard drive:
1. Disconnect the battery cable from the system board.
2. Disconnect the hard drive connector cable (1) from the system board.
3. Loosen the two Phillips PM2.5×6.5 screws (2) that secure the hard drive to the computer.
Component replacement procedures 27