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Posts: 1
Registered: ‎02-18-2017
Message 81 of 84 (805 Views)

Re: Windows 10 installation on a VPCL116FX using a NVIDIA GEFORCE GT 240M DRIVER PROBLEM

Hello All,

Need any help/assistance in solving my issue:

Have a Sony Vaio VPCZ126GA laptop with Intel HD AND Nividia GeForce GT330M video.

The laptop originally came with Win 7 Pro 64 bit and I upgraded successfully to Win 10 Pro 64 bit version 1607 build 14393.693. This was done NOT by using the upgrade icon in the task bar (had missed the time frame for the free upgrade) but by using free upgrade still available for those who use Assistive Technologies. (

That process downloaded approx 6gb and the upgrade went through fine.  

Now unfortunately HDMI output does not work (have not tried the VGA output) and Screen brightness control works but actually does not reduce or increase brightness. The auto change between Speed and Stamina mode has also stopped (as neither Intel nor the Nvidia drivers are working) as has the backlight on the keyboard.

Device Manager shows both Intel HD and the NVidia GeForce GT330M drivers but with exclamation marks. I have attached images

Not sure which display driver is being used as the laptop screen works (am using it to write and post this message). Also not sure IF or how to revert back to the Microsoft Basic Display Adapter as cannot find it on the laptop.

Found this site, read through all pages, and in following direction provided by Darren_CP on Page 1 of this post by went to to look for the current drivers. Was not able to auto detect my video card. Manually searching yielded the ver. 342.01 drivers for Win 10 Pro 64 bit / GeForce 300M series.

Have modified the nvcti.inf file as per Darren_CP post to amp on page 2 of thread (last post)

Have disabled integrity checks to allow use of unsigned drivers

Unfortunately still does not work.

Have posted my Dev and Subsys as listed in device manager.

I upgraded to Win 10


Any help or pointers are greatly appreciated


Thanks in advance


 PS: Cant seem to attach any images

































Posts: 110
Registered: ‎12-15-2015
Message 82 of 84 (766 Views)

Re: Windows 10 installation on a VPCL116FX using a NVIDIA GEFORCE GT 240M DRIVER PROBLEM

[ Edited ]

Hello roopster,

hybrid graphics (switchable graphics) are much more difficult to deal with, because of the second GPU, which has to be integrated in the same INF file. This situation is not respected in the Nvidia driver. A first easy attempt to a solution could be:


  1. Download the switchable graphics driver of your laptop here.
  2. Uninstall both GPUs from device manager and any GPU driver software at the control panel -> uninstall programs. Maybe you have to reboot after that.
  3. Extract the already downloaded driver.
  4. Right-click the setup.exe file inside the root/main folder of the unzipped driver -> Properties -> Compatibility tab -> Set compatibility mode: Windows 7 -> Apply -> OK
  5. Try to run setup.exe to install the Windows 7 switchable graphics driver on your Windows 10 OS


Report back, if this attempt worked or not!


Good luck!

Posts: 4
Registered: ‎02-15-2017
Message 83 of 84 (387 Views)

Re: Windows 10 installation on a VPCL116FX using a NVIDIA GEFORCE GT 240M DRIVER PROBLEM

  1. Uninstall NVIDIA Drivers. That will make Microsoft Basic Display Adapter to show up.
  2. Update Microsoft Basic Display Adapter’s Driver Software by Browse my computer for driver software -> C:\Windows\Drivers\EXE\Graphics Driver (NVIDIA)\ or where the driver’s original software has been installed.
  3. Disable graphics drivers’ update:

3.1 Run gpedit.msc

3.2 Go to Local Computer Policy → Computer Configuration → Administrative Templates → System → Device Installation → Device Installation Restrictions

3.3 Double-click on "Prevent installation of devices that match any of these device IDs" and set it to Enabled.

3.4 Click the Show button to launch the dialog "Prevent installation of devices that match any of these Device IDs"

3.5 Paste into Value the copied hardware-id for the device, e.g.





The same for the Intel(R) Graphics Media Accelerator HD, e.g.





Click Apply and OK.

Posts: 1
Registered: ‎05-28-2017
Message 84 of 84 (45 Views)

Re: Windows 10 installation on a VPCL116FX using a NVIDIA GEFORCE GT 240M DRIVER PROBLEM

Thanks! It's good to know that the installation of the old Vaio Nvidia driver works manually via the device manager. I guess no one here tried this simple solution before.

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