Can't turn on Bluetooth, Bluetooth adapter disappeared both in Device Manager and the Hidden Devices in Device Manager

Anonymous
2020-09-30T15:48:31+00:00

Hi all,

My PC has been working fine before, but decided to act up today. Out of a sudden, my bluetooth is turned off, and there is no option to turn it back on. I tried reinstalling the drivers, remove, and repair, but it did not help. 

The Bluetooth Adapter is still not showing up in my Device Manager, even when I select to show Hidden Devices.

Now I am stuck, unable to connect to my speakers, controllers, and keyboard. Gotta quickly find a wired keyboard just to type this. On a side note, WiFi is working fine too.

Mainboard is a Gigabyte Aorus B550i, installed both bluetooth drivers from Gigabyte and from Intel, didn't help. Bluetooth adapter is an Intel Wi-Fi 6 AX200.

Please help :(

Windows for home | Windows 10 | Settings

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  1. Anonymous
    2020-11-09T03:20:03+00:00

    Similar issue here with Aorus Master B550.

    Seems to be a motherboard issue. I temporarily fixed mine by the following:

    1. shutdown the computer
    2. disconnect power (turn off, remove plug)
    3. press the power on button on your computer (to ensure the power is drained to on-board capacitors etc) - at least 10 seconds
    4. reconnect power
    5. startup

    For me, this reliably restores the Bluetooth device and Windows can then turn Bluetooth on/off and the device appears in Device Manager.

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  2. Anonymous
    2021-01-02T06:37:57+00:00

    Hi all,

    I had the same problem with my AORUS B550 MASTER motherboard - After it went into sleep mode the Bluetooth could not be re-activated again, unless I did full power down and unplug as described in the previous comments.

    I changed my windows settings and it solved the problem.

    I'm using Windows 10 Pro 20H2 and firmware F11p for the motherboard.

    Go to Settings, go to Power & Sleep section.

    Click on Additional Power Settings under Related settings.

    On your current Preferred plans click on Change plan settings.

    Click on Change advanced power settings.

    I changed a number of settings here so i'm not sure exactly which one it was, but I suspected it was one of the following:

    • Wireless Adapter Settings - Changed to Maximum performance
    • USB settings - Changed to disabled

    Hope this helps everyone!

    **EDIT:**Actually the above steps didn't work. The Bluetooth still stops after waking up from sleep mode.

    I looked into it further and other people have said it was actually an issue with the Realtek 2.5G LAN chip and this issue also effects other motherboards using this chip as well.

    The following fix has been OK for me, but haven't tried it for long periods of sleep mode yet.

    Go to Device Manager , Network adapters, Realtek Gaming 2.5GbE Family Controller.

    Right click on Propertie s **,**go to Advanced tab and change the following settings:

    Disable all the following settings:

    -Advanced EEEE 

    -Energy-Efficient Ethernet

    -Gigabit Lite 

    -Green Ethernet

    -Power Saving Mode

    Credit to matthys70:

    http://forum.asrock.com/forum\_posts.asp?TID=14888&PN=5&title=realtek-25gbe-rtl8125-ndis-reset-problem

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  3. Anonymous
    2020-09-30T17:18:51+00:00

    Hello, I’m Virginia an independent advisor with 20 years of expertise in fixing my own & friends’ PC problems.

    Which Windows 10 build are you running - 1903, 1909 or 2004?

    Was there any Windows or driver updates before the loss of Bluetooth?

    Is there a physical switch or key on the keyboard which disables WiFi & Bluetooth?

    If your Bluetooth is disabled then do the following to enable it.

    Uninstall the device from device manager and restart bluetooth service.

    Start > services.msc

    Right-click "Bluetooth Support Service."

    Choose Automatic.

    Go to device manager and  right-click on your computer name and click "Scan for hardware changes"

    Install the bluetooth device drivers from the manufacturer's website, if any.

    I hope this helps.

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  4. Anonymous
    2020-09-30T17:26:41+00:00

    Hey there, thank you for replying.

    I'm running Windows 10 2004.

    I've tried the Services and set the Bluetooth Support Service to Automatic, I also restarted the service but to no avail.

    Even after scanning for hardware changes in Device Manager, Bluetooth adapter doesn't show up still, like I completely don't see the Bluetooth sub-menu at all, even after selecting Show Hidden Devices :(

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  5. Anonymous
    2020-12-30T10:30:48+00:00

    Confirming that completely removing power from the Aorus Master B550 motherboard for a minute restored the Bluetooth device functionality for me too.

    Rebooting did NOT work, nor did powering down without removing the power cord.

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