HP EliteBook 840 G2 Notebook PC HP EliteBook 740 G2 Notebook PC HP ZBook 14 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
Fan (includes cable and captive screws) 730792-001
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 57), and then remove the following components:
a. Battery (see Battery on page 59)
b. Keyboard (see Keyboard on page 69)
c. Base enclosure (see Base enclosure on page 81)
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 83