System fan(s) – Dell Precision M90 User Manual
Page 27
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System Fan(s)
Dell Precision™ M90 Mobile Workstation Service Manual
1.
Follow the instructions in
Before Working Inside Your Computer
.
2.
Remove the hinge cover (see
Removing the Hinge Cover
).
3.
Remove the keyboard (see
Keyboard
).
4.
Remove the display assembly (see
Removing the Display Assembly
).
5.
Remove the palm rest (see
Removing the Palm Rest
).
6.
Remove the two M2.5 x 5-mm screws from the fan(s), and then remove the connector(s) that connect the fan(s) to the system board.
7.
Lift the fan(s) out of the computer.
CAUTION:
Before you begin the following procedure, follow the safety instructions in the Product Information Guide.
NOTICE:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such
as the back panel) on the computer.
NOTICE:
To help prevent damage to the system board, remove the main battery (see
Before Working Inside Your Computer
) before working inside the
computer.
1 fan for processor/thermal - cooling assembly
2 M2.5 x 5-mm screws (2)
3 fan cable
4 fan-cable system board connector