HP EliteBook 850 G2 Notebook PC HP EliteBook 750 G2 Notebook PC HP ZBook 15u G2 Mobile Workstation - Maintenance and Service Guide

7. Lift the base enclosure off the computer.
Reverse this procedure to install the base enclosure.
Fan
Description Spare part number
For use only on HP EliteBook 850 G2 Notebook PC and HP EliteBook 750 G2 Notebook PC
computer models (includes cable)
730792-001
For use only on HP ZBook 15u G2 Mobile Workstation computer models – included with the heat sink
spare part kit.
796898-001
Before removing the fan, follow these steps:
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.
4. Remove the service cover (see Service cover on page 47), and then remove the following components:
a. Battery (see Battery on page 49)
b. Keyboard (see Keyboard on page 59)
c. Base enclosure (see Base enclosure on page 71)
Remove the fan:
1. Loosen the two captive Phillips screws (1) that secure the fan to the top cover.
2. Disconnect the fan cable (2) from the system board.
ENWW Component replacement procedures 73