G580 + Win8.1 - problems with Bluetooth drivers and Dolby

Hello
When I bought my Lenovo G580, it had Win8 installed but I had to upgrade to Win8.1 (sadly). I've been having problems ever since.
When I open Lenovo Solution Center, it shows errors with these drivers:
Bluetooth Audio Device
Virtual Bluetooth Support (Include Audio)
Bluetooth LWFLT Device
Status: Deactivated
In Device Manager there's a yellow error thingy on Bluetooth Audio Device. It says something about code 10. It also says it is updated to the newest version. I checked Lenovo's website (just in case) but there's no newer driver.
Second problem is with Dolby Advanced Audio V2. I've tried uninstalling it, reinstalling it. Uninstalling Conexant Audio Driver, reinstalling, etc. Nothing works. After a few days after upgrading to Win8.1 the first time my pc went totally crazy. Nothing was working, so I had to revert back to Win8 but was forced to upgrade again. I haven't done anything after the last upgrade because I don't know what to do. Hope someone can help.

hi jonhildelia,
Welcome to the Lenovo Forums.
For the bluetooth, can you try the following (after upgrading the machien to Win8.1):
1. Navigate to Control Panel (Icon Views) > Programs and Features and on the list of installed programs, uninstall the Bluetooth Driver.(reboot if necessary). When finished, the bluetooth device in the device manager should now look like this:
2. if everything goes well, reinstall the Windows 8 bluetooth Driver (either from the D:\drivers\bluetooth or from the G580 download page)
For the Dolby, the issue might be similar to this article and this thread.
Can you try the following:
1. Uninstall the Conexant Audio Driver and anything that relates to Dolby from the Control Panel (Icon Views) > Programs and Features
2. Re-install the Conexant Audio Driver (Win8 version) from the D:\Drivers folder or from the G580 Downloads page (this should reinstall the audio driver and Dolby).
3. In an event that the Dolby doesn't work, reinstall it from one of theseC:\drivers\audio\DolbyGUI or C:\drivers\audio\DolbyGUI
Regards
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