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3. Remove the VGA/USB board from the top cover (3).
Reverse this procedure to install the VGA/USB board.
Heat sink
NOTE: The heat sink spare part kit includes replacement thermal material.
Description Spare part number
For use only on HP EliteBook 840/HP ZBook 14 models with discrete graphics 730962-001
For use only on HP EliteBook 840/HP ZBook 14 models with UMA graphics 730963-001
For use only on HP EliteBook 850 models with discrete graphics 732626-001
For use only on HP EliteBook 850 models with UMA graphics 730815-001
Before removing the heat sink, 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 following components:
a. Service cover (see
Service cover on page 48)
b. Battery (see
Battery on page 50)
Component replacement procedures
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