Solved! Wi fi signal gone

Solution
Have you made any changes to your pc recently?
Have you undated your chipset drivers?
Can your other devices connect to your WIFI?

Turn router off and wait 30 seconds then switch back on also.
Have you made any changes to your pc recently?
Have you undated your chipset drivers?
Can your other devices connect to your WIFI?

Turn router off and wait 30 seconds then switch back on also.
 
Solution