HP ProBook 450 G4 Notebook PC and HP ProBook 455 G4 Notebook PC - Maintenance and Service Guide
Hard drive
Description Spare part number
Hard drive for use in all models:
2 TB, 5400 rpm, 9.5 mm 801808-001
1 TB, 5400 rpm, 7 mm 778192-001
500 GB, 7200 rpm, 7 mm 778189-001
Hard drive for use in HP ProBook 450 G4 models:
500 GB, 5400 rpm, 7 mm 778187-001
500 GB, 5400 rpm, 7 mm, hybrid (8-GB SSD) 732000-001
Hard drive for use in HP ProBook 455 G4 models:
500 GB, 7200 rpm, 7 mm 703267-001
500 GB, 5400 rpm, 7 mm 778186-001
Hard drive cover
NOTE: The hard drive cover is included in the Hard Drive Hardware Kit.
905771-001
Before removing the hard drive, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Place the computer in “Battery Safe mode” (Battery Safe mode on page 32).
3. Disconnect all external devices connected to the computer.
4. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
5. Remove the service door (see Service door on page 33).
Remove the hard drive:
1. Remove the 2 Phillips PM2.0×3.0 screws (1) that secure the hard drive to the computer.
2. Pull the plastic tab to slide the hard drive (2) away from the center of the computer to disengage it from
the connector.
36 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts