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4 Replacement Procedures 4.5 WLAN Card
NB250/NB255 Maintenance Manual 4-36
4.12 Thermal Fan Module
Removing the Thermal Fan Module
Remove the thermal fan module according to the following procedures and Figures 4.26 and 4.27.
CAUTION:
When removing the thermal fan module, keep the following in mind:
1. The unit can become very hot during operation. Be sure to let it cool down before
starting the repair work.
2. Use care when removing and disassembling the unit in order to avoid damage.
3. If you remove the thermal module, please use a soft cloth with alcohol to clean the
thermal fan module. If you use a new module, please make sure to remove any release
paper first.
1. Remove three M2.5x3 screws securing the thermal fan module to the motherboard in
order as shown in Figure 4.26.
2. Remove the thermal module from the motherboard.
Figure 4.26 Removing the Thermal Fan Module
M2.5x3*3