i Bought a dell precision m4800 it came it windows 8 i updated it and now my wifi switch is not working it does'nt turmn off and now i can't turn the bluetooth on as well, it says that you need to turn on the wireless hardware but it is already on
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Have you checked first of all that the wireless switch is enabled on the right hand side? Also go in to the BIOS (F2 on startup) and check that the Wireless Switch is set to "ALL" and the Wireless Device Enable is set to "ALL"
If it is still not turning on, I'd suggest updating the Wireless Driver. Follow this link [View:]
and choose Network and download the latest driver for your WLAN card. If you know the Service Tag enter that and it will list the drivers for your particular configuration. Let me know if the issue is resolved or if you are still having issues.
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I'm writing to you because at the moment I'm having the same issue as Shayashkar. I've already tried what you suggested:
-Check in the bios -Updates driver WLAN card & BIOS - I've also replaced the wifi card with a spare i have at home
The problem is still here. I can see that after tunring on the switch, for a few second the wifi start to work, but after that it shut down again...
do you have any suggestions?
There is a small hardware switch on the right side of the machine, above the DVD door. When I slid it to the front, the wifi radio turned back on. Took an hour to find it, but all the help notes kept insisting the hardware switch was off.