Dell Vostro V131 (Mid 2011) - Manual (Page 49)

Removing The Thermal Fan
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1. Follow the procedures in Before Working On Your Computer .
2. Remove the battery .
3. Remove the base cover .
4. Remove the keyboard .
5. Remove the hard drive .
6. Remove the palm rest .
7. Disconnect the thermal fan cable from the input/output board.
8. Remove the screws that secure the thermal fan to the computer.
9. Lift up and remove the thermal fan from the computer.
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