HP 4730s LJ525UT#ABA manual Hard drive, Description Spare part number

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
640-GB, 5400-rpm hard drive	603785-001
500-GB, 7200-rpm hard drive	634925-001
500-GB, 5400-rpm hard drive	634638-001
320-GB, 7200-rpm hard drive	641672-001
320-GB, 5400-rpm hard drive	622643-001
250-GB, 7200-rpm hard drive	635225-001
250-GB, 5400-rpm hard drive	622641-001
Hard Drive Hardware Kit (includes hard drive bracket, insulator, and screws)	647944-001

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 47).

5.Remove the bottom door (see Bottom door on page 49).

Remove the hard drive:

1.Position the computer upside-down with the front toward you.

2.Remove the four Phillips PM2.0×4.0 screws (1) that secure the hard drive to the computer.

3.Grasp the Mylar tabs on the hard drive and slide the hard drive to the right (2) to disconnect it from the system board connector.

52 Chapter 4 Removal and replacement procedures