Solved

Bluetooth Missing from Device Manager in Windows 7

Posted on 2014-12-05
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Last Modified: 2016-11-23
I have a 64 bit Dell Precision workstation with windows 7 professional installed as supplied by Dell.
The Bluetooth has been working for about 3 years but I rarely use it (maybe 5 or 6 times a year).
Now it is not working and it is not listed in the Control Panel Device manager (see screen shot attached).
The last time I used it was several months ago to upload a photograph and I always disable Bluetooth on the laptop after I have finished using it.
My mobile phone detects the PC but fails to connect to it (as might be expected if I had disabled it ?).
Any ideas how I can fix this issue ?

Thanks in advance,

RogerDevice Manager in the Windows 7 Control Panel
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Question by:alcindor
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4 Comments
 
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Expert Comment

by:JAN PAKULA
ID: 40483514
You might want to check in the BIOS it is enabled

also download most recent driver from dell website

which model is it? do you have any "special" button to enable Bluetooth
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Author Comment

by:alcindor
ID: 40483539
It's an M6600. There is no hardware switch or button to turn it on or off.
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Accepted Solution

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JAN PAKULA earned 500 total points
ID: 40483563
Apparently wireless adapter switch on the side of the laptop turns on the Bluetooth adapter in conjunction with a tray Icon that appears when the wireless adapter switch is turned on.

also somebody else had similar problem there

"I think I finally solved this problem with the bluetooth radio erratically turning off on my M6600. You have to disable "allow computer to save power by disabling bluetooth"

In device manager expand "bluetooth radios" and go to the properties of the "generic bluetooth adapter". Go to the power management tab and uncheck the option above.  This is probably a default setting on many newer laptops so they can advertise slightly higher battery life numbers. If you still have problems getting it to turn back on try manually reseting the radio by disabling and then renabling the by right clicking the bluetooth device in the device manger."

From
http://en.community.dell.com/support-forums/laptop/f/3518/t/19431459
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Author Closing Comment

by:alcindor
ID: 40483581
Thanks for that, I normally use a wireless LAN but in this case I was using a wired connection and had switched off the wireless LAN.
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