HP ProBook 4545s, Руководство по техническому обслуживанию и ремонту

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Bottom door
Description Spare part number
Bottom door 690978-001
Before disassembling the computer, 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. Disconnect all external devices connected to the computer.
3. 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.
4. Remove the battery (see Battery on page 37 ).
Remove the bottom door:
1. Position the computer upside-down on a flat surface with the battery bay toward you.
2. Remove the locking screw (if installed) (1) and slide the two bottom door release latches (2) to
release the door.
3. Slide the door toward the front of the computer (3) , and then lift the door off the computer (4) .
Reverse the removal procedures to install the bottom door.
38 Chapter 4 Removal and replacement procedures