HP Probook 450 G9 Service Manual

Removal and replacement procedures for
Customer Self-Repair parts
5
This chapter provides removal andreplacement procedures for Customer Self-Repair parts.
NOTE: The Customer Self-Repair program is not available in all locations. Installing a part that is not
supported by the Customer Self-Repair program can void your warranty. Check your warranty to determine
whether Customer Self-Repair is supported in your location.
Component replacement procedures
To remove and replace computer components, use these procedures.
NOTE: Details about your computer, including model, serial number, product key, and length of warranty,
are on the service tag at the bottom of your computer.
NOTE: HP continually improves and changes product parts. For complete and current information about
supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then
follow the on-screen instructions.
Make special note of each screw size andlocation during removal andreplacement.
Preparation for disassembly
To remove and replace computer components, use these procedures.
See Removal andreplacement procedures preliminary requirements on page 31 for initial safety procedures.
1. Turn o 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. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
Bottom cover
To remove the bottom cover, use this procedure and illustration.
Table 5-1
Bottom cover description and part number
Description Spare part number
Bottom cover for use in models with UMA or discrete graphics and a 51 Whr battery N01917-001
Bottom cover for use in models with UMA graphics and a 42 Whr battery M21720-001
Before removing the bottom cover, prepare the computer for disassembly (see Preparation for disassembly on
page 40).
40
Chapter 5Removal and replacement procedures for Customer Self-Repair parts

HP Probook 450 G9 Specifications

General

Operating System	Windows 11 Pro
Processor	Intel Core i5-1235U
Display	15.6-inch, FHD (1920 x 1080)
RAM	Up to 32 GB DDR4-3200 SDRAM
Storage	256 GB PCIe NVMe SSD
Graphics	Intel Iris Xe Graphics
Weight	1.74 kg
Battery	3-cell, 51 Wh Li-ion
Ports	1 x HDMI 2.1, 1 x RJ-45, 1 x Headphone/microphone combo
Wireless	Wi-Fi 6, Bluetooth 5.2