Removal and replacement procedures for
authorized service provider parts
5
This chapter provides removal and replacement procedures for authorized service provider parts.
IMPORTANT:
Only an authorized service provider should access the components described in this chapter.
Accessing these parts can damage the computer or void the warranty.
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.
Component replacement procedures
To remove and replace computer components, use the procedures described in this section.
NOTE:
HP continually improves and changes product parts. For complete and current information about
supported parts for your computer, go to
, 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 prepare to disassemble the computer, use these steps.
Removal and replacement procedures preliminary requirements on page 25
for initial safety procedures.
1.
Turn off 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 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 descriptions and part numbers
Description
Spare part number
Bottom cover (WWAN models)
N22918-001
Bottom cover (WLAN models)
N22919-001
End covers (left and right)
N26146-001
Before loosening the bottom cover, prepare the computer for disassembly (see
Removal and replacement procedures for authorized service provider parts
33
