Component replacement procedures
To remove and replace computer components, use these procedures.
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.
You must remove, replace, or loosen as many as 42 screws when you service the parts described in this chapter.
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 33 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
For use only on computer models equipped with WWAN capability M16044-001
For use only on computer models equipped not with WWAN capability M16043-001
Before removing the bottom cover, prepare the computer for disassembly (Preparation for disassembly
on page 42).
Remove the bottom cover:
1. Remove the six Torx T6M2.0 × 5.0 screws that secure the bottom cover to the computer.
42 Chapter 5 Removal and replacement procedures for authorized service provider parts ENWW
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