3.
Lift the system board (4), and then remove it (5).
Reverse this procedure to install the system board.
Fan and heat sink assembly
Description
Spare part number
Fan and heat sink assembly
For 14" products with integrated graphics
840662-001
For 15" products with integrated graphics
840732-001
For 15" products with high-quality integrated graphics (select products only)
920191-001
IMPORTANT:
Make special note of each screw and screw lock size and location during removal and
replacement
Before removing the fan and heat sink, follow these steps:
1.
Shut down the computer.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4.
Remove the following components:
a.
Service door (see
b.
Remove the battery (see
Component replacement procedures
59
Содержание 640 ProBook G3 Series
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Страница 31: ...Computer major components 23 ...
Страница 83: ...Reverse this procedure to replace the panel Component replacement procedures 75 ...
Страница 85: ...Reverse this procedure to replace the audio board Component replacement procedures 77 ...
Страница 87: ...Reverse this procedure to replace the serial board Component replacement procedures 79 ...