Sound is gone after cleaning heatsink

Laptop was overheating so cleaned the heatsink and dust from the fan etc. Plugged everything back into the motherboard and turned it on, but now there is no sound, through the speakers or the headphone jack. I have opened it up and tried plugging everything in again, gone to services and restarted windows audio and audio services, and updated the drivers, but none of those have helped. When I try to test the sound in the control panel, it says - The device is being used by another application. Please close any devices that are playing audio to this device and then try again. I'm not using any other devices or applications so I don't think this is the problem. Is it possible that when I took it apart and cleaned it that I caused some permanent damage? Any ideas how to fix this would be appreciated

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Category: windows 7 Time: 2016-07-31 Views: 68

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