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Pending OP Response sony vaio (VPCEG38FG c902kbly) bluetooth driver problem to install (in win 7 64 bit)

before-after.png
Hi I am very exhausted i can not fix
problem of my Bluetooth device.
recently i reinstall my windows 7 64 bit and before this i capture some photo of my device manager.
I tried to install the appropriate driver but it does not work please help me please ...i attach both photos before and after in one image and i should mention that i use AC to DC wire (adapter) and my battery is removed.
 
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.

If the device isn’t showing under device manager or under show hidden devices then shutdown the pc, unplug the power cable & then reconnect, then go to device manager & see if there’s any unknown devices showing, if so uninstall this & then scan for hardware changes & hopefully Bluetooth will reappear.

I hope this helps.

What’s the full make & model of the pc?
Is the Bluetooth by Intel? If so then you can visit their website to download the drivers.
Have you tried rolling back the new driver or installing an older one?
Right click device.
Choose update driver.
Choose ‘browse my computer for drivers’.
Choose ‘let me pick from a list of available drivers on my computer’.
Choose the compatible hardware from the list, then choose next.
Choose one of the older drivers from the list shown, then click next.
This will then reinstall the driver.
 
1. Uninstall your existing bluetooth stack (driver software that came with the bluetooth adapter).
2. Reboot your computer and click "Cancel" when Windows asks for the driver.
3.Run BluetoothDriverInstaller.exe and follow instructions of the wizard.

Download and install the BluetoothDriverInstaller_x64.exe this tool will usually find a decent generic driver.