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Bluetooth disappeared from device manager

Star I
System: Windows 64
Battery or AC: Both
Model: ASUS ZenBook Flip 14 UM462
Frequency of occurrence: Constant
Reset OS:
Screenshot or video:
Detailed description:Bluetooth just stopped working. On/off icon disappeared from action panel from windows. Bluetooth device is not even shown in Device Manager any more. Consequently every of my 4 bluetooth peripherals stopped working 😞

Community Legend II
Hello damir,
Please kindly check if your BIOS has been updated, and install bluetooth driver again.
ZenBook Flip 14 UM462|For Home|Laptops |ASUS GlobalThank you.

Star I
Dear Blake, I thoroughly checked and updated everything I could possibly find. Including of course BIOS and Bluetooth drivers.
It didn't help. Nothing did. Not even reinstalling the Windows! I've spent tens of hours.
But you know what eventually did?
I inserted USB BT dongle which was immediately recognized by Windows via generic Bluetooth driver. Bluetooth icon appeared in device manager.
I waited for few minutes for generic drivers to finish installing.
Turned off my laptop.
Removed the USB dongle.
Turned on my laptop.

Community Legend II
Hello damir,
Thank you so much for the update!