My wifi is greyed out in windows 8

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I have a HP DV6 7040 tx

http://h10025.www1.hp.com/ewfrf/wc/product?product=5277771&lc=en&cc=in&dlc=en&os=4132&sw_lang=

My wifi card is Broadcom bcm4313. My wifi was working fine in windows 8 till sept 3. Then i updated the BIOS to F.28 from F.24 using the official update file from the HP site. Now, my wifi is greyed out and doesn't turn on whenever i press the f12 key. It remains orange.

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SilleBille

Posted 2013-09-08T17:35:16.943

Reputation: 121

1Try the hardware switch. – Ramhound – 2013-09-08T17:48:59.783

Or a FN + F1-F12 keys. Not all laptops have a hardware switch. Some are toggled by this key combo. Look at your F1-F12 keys and look for something that looks like a WiFi signal or has the little radio waves/tower on it. – kobaltz – 2013-09-08T17:55:12.913

that doesn't work. I tried hitting the switches. F12 key does not turn it on (F12 key works anyway. I have tested it) – SilleBille – 2013-09-08T18:22:19.123

No answers