HP ZBook 17 Maintenance and Service Guide - Page 84

Display LED board

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5. Disconnect the battery (see Battery on page 39). 6. Remove the GPU fan (see Fans on page 68). Remove the discrete graphics board: ▲ Remove the two screws (1) securing the board to the system board, and then remove the discrete graphics board (2). Reverse this procedure to install the discrete graphics board. Display LED board Description Display LED board Spare part number 848374-001 Before removing the display LED board, 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 door (see Service door on page 36). 5. Remove the service door (see Service door on page 36). 6. Remove the battery (see Battery on page 39). 7. Remove the secondary hard drive (see Hard drive on page 42). 8. Remove the secondary SSD (see Solid-state drives (M.2) on page 48). 70 Chapter 6 Removal and replacement procedures for authorized service provider parts

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5.
Disconnect the battery (see
Battery
on page
39
).
6.
Remove the GPU fan (see
Fans
on page
68
).
Remove the discrete graphics board:
▲
Remove the two screws
(1)
securing the board to the system board, and then remove the discrete
graphics board
(2)
.
Reverse this procedure to install the discrete graphics board.
Display LED board
Description
Spare part number
Display LED board
848374-001
Before removing the display LED board, 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 door (see
Service door
on page
36
).
5.
Remove the service door (see
Service door
on page
36
).
6.
Remove the battery (see
Battery
on page
39
).
7.
Remove the secondary hard drive (see
Hard drive
on page
42
).
8.
Remove the secondary SSD (see
Solid-state drives (M.2)
on page
48
).
70
Chapter 6
Removal and replacement procedures for authorized service provider parts