HP ProBook 450 G4 Notebook PC and HP ProBook 455 G4 Notebook PC - Maintenance and Service Guide

Optical drive
Description Spare part number
Optical drive for use in HP ProBook 450 G4 models:
Blu-ray Disc R/RW with SuperMulti Drive 907719-001
DVD+/-RW Double-Layer SuperMulti Drive 907721-001
DVD-ROM Drive 907720-001
Optical drive for use in HP ProBook 455 G4 models:
DVD+/-RW Double-Layer SuperMulti Drive 907606-001
DVD-ROM Drive 907605-001
Optical drive bracket (included in the Plastics Kit) 905770-001
Before removing the optical 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 a optical drive:
1. Remove the Phillips PM2.5×3.0 screw (1) that secures the optical drive to the computer.
2. Insert a tool into the release slot and push the optical drive to disengage it (2).
34 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts