Bluetooth not working not not on laptop Pavilion dv4t-1400

In this last week, my bluetooth works is no longer on my laptop Pavilion dv4t-1400.  He was always on.  I think that he stopped when last week he had two usb problems which are still pending - that is to say, under Device Manager, there are two USB keys with a yellow warning triangle and after trying to help out, he said: "Windows has stopped this device because it has reported problems. (Code 43) ».

I rebooted the Task Manager under start bluetooth software, but this does not make a difference.

BTW, to the best of my knowledge, there had not been any new software updates before the USB errors.

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This problem is solved when I turned off my laptop, unplugged the adapter and all external connections, removed the battery, expected a minute, resinserted the battery and restarted my PC.

A driver has been added automatically by Windows and my bluetooth recognized and turned on.

Tags: Notebooks

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