HP Pavilion G7

Solution
Go to device manager, see if you have network adapters, if you do right click on them and scan for hardware changes/update drivers.

If this doesn't work go to device manager and just scan for hardware changes in general.
Go to device manager, see if you have network adapters, if you do right click on them and scan for hardware changes/update drivers.

If this doesn't work go to device manager and just scan for hardware changes in general.
 
Solution