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arun6106
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Posts: 9
Registered: ‎12-22-2015
Location: IN
Views: 496
Message 1 of 2

G50-45 - Lenovo Energy Mangement disables Bluetooth on G50-45 Win10

Hi,

I recently upgraded my G50-45 to windows 10 and once i was done installing drivers, i found that bluetooth icon is now missing!
Checked device manager, the Bluetooth Section wasn't available anymore under it.

After some looking around, i uninstalled each and every driver one by one and rebooted
And found that its the Lenovo Energy Management Causing the Trouble!

I also located the exact driver under Device Manager > System Devices > Lenovo ACPI Virtual Power Controller.

As soon as this driver gets installed, the bluetooth options disappear from all the places in the Windows.

File Name is : AcpiVpc.inf, AcpiVpc.sys

 

The issue persists with both the enery management drivers given on the drivers page. this one and another one

 

After uninstalling this driver and rebooting, bluetooth comes back. ScreenShot

Please let me know if there's a solution for this.

Thank you

 

Mod's Edit: System model added to front of Subject line to improve visibility / clarity.

arun6106
Fanfold Paper
Posts: 9
Registered: ‎12-22-2015
Location: IN
Views: 416
Message 2 of 2

Re: G50-45 - Lenovo Energy Mangement disables Bluetooth on G50-45 Win10

Found the solution myself.

Issue was with the BIOS update V38.
Downgraded to BIOS update V36.

Bluetooth working fine now.

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