HP ProBook 440 G1 Notebook PC Maintenance and Service Guide

Using the optional security screw

Use the optional security screw to lock the service door to the bottom of the computer. When not in use

the security screw can be stored inside the battery bay.

To use the security screw:

1. Remove the battery (see

Battery on page 37).

2. Remove the security screw from inside the battery bay (1) and insert it (2) to lock the service door

in place.

Hard drive

Description Spare part number

1-TB, 5400-rpm 676521-001

750-GB, 5400-rpm 634250-001

500-GB, 7200-rpm 703267-001

500-GB, 5400-rpm 683802-001

500-GB, 5400-rpm, hybrid (8-GB SSD) 732000-001

320-GB, 5400-rpm 645193-001

Before removing the hard drive, 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.

Component replacement procedures