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 84 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 Preparation for disassembly on page 40 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 case
To remove the bottom case, use this procedure and illustration.
Table
6-1 Bottom case description and part number
Description Spare part number
Bottom case M20092-001
Before removing the bottom case, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 66).
2. Remove the service cover (Service cover on page 40), and then remove the following components:
1. Battery (see Battery on page 41)
2. Solid-state drives 3 and 4 (see Solid-state drives 3 and 4 on page 42)
3. Solid-state drive carrier (see Solid-state drives 3 and 4 on page 42)
4. Hard drive (see Hard drive on page 44)
5. Keyboard (see Keyboard on page 54)
Remove the bottom case:
1. Close the computer.
2. Turn the computer upside down with the front toward you.
3. Remove the four Phillips M2.5 × 3.1 (1) screws that secure the bottom case to the computer.
66 Chapter 6 Removal and replacement procedures for authorized service provider parts ENWW