One day, I could not connect to the internet, and I realized that the radio light was not on, and I do not remember turning off the radio or I would know where to turn it on again.
After searching on Google to see if it was due to driver issue, I found something like this:
I don't know what this broadcom USH / Unknown driver is, looking at the properties of the unknown:
This is the broadcom USH:
How would I know if my WLAN card is actually faulty?