HP EliteBook 1050 G1, Руководство по техническому обслуживанию и ремонту, Страница: 54 / 105

Thermal module
NOTE: The thermal module spare part kit includes replacement thermal material.
Description Spare part number
Thermal module for use only with models with discrete graphics memory L28670-001
Thermal module for use only with models with UMA graphics memory L30973-001
Before removing the thermal module, 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 bottom cover (see Bottom cover on page 29 ).
5. Remove the battery (see Battery on page 31 ).
Remove the thermal module:
1. Disconnect the cable for each fan from the system board (1).
2. Remove the two Phillips M2.0×4.0 screws from each fan (2) and the six captive screws (discrete models)
or four captive screws (UMA models) in the middle of the heat sink (between the fans) in the order
indicated on the heat sink (3).
46 Chapter 5 Removal and replacement procedures for authorized service provider parts