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I frequently see the warning dialog:

System Standby Failed
The device driver for the 'Dell Wireless 365 Bluetooth Module' device is preventing the machine from entering standby. Please close all applications and try again.  
If the problem persists, you may need to update the driver.

I have no interest in using bluetooth devices with this machine. I attempted to eliminate the issue by setting the device to disabled (Control Panel / Bluetooth Configuration / Diagnostics) - which clearly doesn't disable the driver, as the problem persists.

How can I stop this device driver from preventing the machine from entering standby? Ideally without having to update the driver, if it is, in fact, outdated.

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In Device Manager what are the BT devices you see, and are they all disabled? –  Karan Feb 21 '13 at 22:45
    
Bluetooth Bus Enumerator and Dell Wireless 365 Bluetooth Module Both were enabled. I disabled the Dell Wireless 365 Bluetooth Module. Should I disable the Bluetooth Bus Enumerator as well? –  marfarma Feb 21 '13 at 23:57
    
Try it and see. If you don't want to use BT at all, disabling both devices doesn't affect anything else and solves your problem, you're good to go! –  Karan Feb 22 '13 at 0:03

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