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Looking for definitive answer about "Wake on Bluetooth" for the X670E-I

Toth
Level 7

Wake-on-Bluetooth seems to be a mysterious ghost when it comes to what supports it, and even what is needed to support it.

My last system was a ASRock z390 phantom gaming ITX, and supported wake-on-Bluetooth out of the box with the included Intel M2 based Wifi/BT adapter. It was buggy, but there.

My recently installed X670E-I has the z616 (MT7922) MediaTek M2 card. If I check the properties of the "MediaTek Bluetooth Adapter" under the Bluetooth category, then I see a "Power Management" tab, but the "Allow this device to wake the computer" is greyed out.

I have searched online and tried the following to fix this:

  1. Disable hibernate in windows 11
  2. Tweak the following in the BIOS:
    • Enable "Power on by PCI-E"
    • Enable "USB power delivery in Soft Off state (S5)"
  3. Tweak the following in the windows registry:
    • HKLM\System\CurrentControlSet\Services\Bthport\Parameters \SystemRemoteWakeSupported : (DWORD) 1
    • HKLM\System\CurrentControlSet\Enum\USB\<vid_pid>\<Bluetooth Radio ID> \Device Parameters\RemoteWakeEnabled : (DWORD) 1
    • HKLM\System\CurrentControlSet\Enum\USB\<vid_pid>\<Bluetooth Radio ID> \Device Parameters\DeviceRemoteWakeSupported : (DWORD) 1
  4. Check if it shows up under the wakeable devices with powercfg: powercfg /devicequery wake_programmable
    • It doesn't
  5. Update the drivers of both the WI-FI and the BT from the post somewhere here on the forums. I double checked, they are the latest from MediaTek (this seems to have solved other issues...)
  6. Enable Wake-on-Lan for the Wi-Fi device from the device manager (haven't tested it, but had not effect for Wake on Bluetooth).

So nothing works, and from my google-fu I am out of ideas.

Maybe someone could help answer the following please?:

  • Is this an issue with the M2 card from MediaTek or an issue with support from the X670E-I itself?
    • I am curious because I see that the BT is connected through USB to the chipset... that's why I am thinking the issue is not the card but the MOBO itself?
  • It it were the card itself lacking support, can I add support by swapping for an Intel card? (AX 210 or maybe even the new BE200? )
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2 REPLIES 2

Toth
Level 7

So interestingly, I have answered my own question, at least to some degree. I was focused on the greyed out ability to check "Allow this device to wake the computer", and had stopped testing the actual wake up from sleep....

It seems to be fully working and responding to both my Bluetooth mouse and keyboard... I tested it repeatedly and have had it work and BT still function on wake up (something that never worked reliably with the ASRock board).

I can't seem to edit my post, so for posterity, I will add the following:

  • The following registry keys were not necessary:
    • HKLM\System\CurrentControlSet\Enum\USB\<vid_pid>\<Bluetooth Radio ID> \Device Parameters\RemoteWakeEnabled : (DWORD) 1
    • HKLM\System\CurrentControlSet\Enum\USB\<vid_pid>\<Bluetooth Radio ID> \Device Parameters\DeviceRemoteWakeSupported : (DWORD) 1
  • The following key HAD TO BE ADDED (was not there by default):
    • HKLM\System\CurrentControlSet\Services\Bthport\Parameters \SystemRemoteWakeSupported : (DWORD) 1
  • When I first tested, this definitely DID NOT WORK. Even with the BIOS options enabled as listed in my first post.
  • I can't say whether the driver updates were necessary, but I suspect so.
    • I remember trying the SystemRemoteWakeSupported registry entry before when I first saw this didn't work. This backs up my statement that the driver updates helped. It could also be a chipset/bios update related thing... I also recently updated those.

Toth
Level 7

Note: The "Allow this device to wake the computer" in the device manager for the MediaTek bluetooth device entry is STILL grey and can't be checked.