HP ProBook 450 G5, Руководство по техническому обслуживанию и ремонту

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Top cover
Description Spare part number
Top cover L00844-001
Before removing the top cover, follow these steps:
1. Shut down 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. Place the computer in “Battery Safe mode” ( Battery Safe mode on page 34 ).
3. Disconnect all external devices connected to the computer.
4. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
5. Remove the following components:
a. Service doors ( Service doors on page 35 ).
b. Hard drive ( Hard drive on page 43 )
c. Keyboard ( Keyboard on page 46 )
Remove the top cover:
1. Position the computer upside-down with the front toward you.
2. Remove the 5 Torx T8 2.5×7.0 screws (1) from around the edges of the computer.
3. Remove the Phillips broad head M2.0×2.0 screw (2) from the hard drive bay.
4. Remove the 3 Torx T8 2.5×5.0 screws (3) from the top of the computer.
5. Position the computer upright and open it as far as possible.
50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts