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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:

enter image description here

I don't know what this broadcom USH / Unknown driver is, looking at the properties of the unknown:

enter image description here

This is the broadcom USH:

enter image description here

How would I know if my WLAN card is actually faulty?

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Make sure the WLAN card is seated properly in the socket. Download and install the drivers. if it is still not working, then call Dell for support.

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