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Bluetooth devices disappear after resuming from hibernate. Bluetooth does not work after resuming from hibernate.The Bluetooth item disappears from Device Manager.An unknown USB device has a yellow bang in Device Manager.The Bluetooth icon disappears. The following is an example of the issue in Device Manager: The following is how Device Manager should look normally:
A BIOS code issue in version 1.10.0 causes this behavior.
BIOS Update If you restart the system, the Bluetooth will return and function normally. Update the BIOS to version 1.14.0 or newer to fix this issue.Alienware x16 R2 Drivers & Downloads Back to Top
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