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I have the same problem as here and the solution is saying that I manually installed a driver and this causes the problem. Great! But how do I detect said driver (and deinstall it)?

I tried various ideas from the internet:

$> nvidia-settings -q NvidiaDriverVersion

ERROR: Error resolving target specification '' (No targets match target specification), specified in query 'NvidiaDriverVersion'.

$> grep -i "x driver" /var/log/Xorg.0.log
   ""

$> lspci -k | grep -EA2 'VGA|3D'  
00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
    Subsystem: CLEVO/KAPOK Computer Device 0170
    Kernel driver in use: i915
--
01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev a2)
    Subsystem: CLEVO/KAPOK Computer Device 0170
03:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59)

If anybody wonders - I installed nvidia-settings separately.

Sim
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1 Answers1

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Open a terminal and execute : 

lspci -k | grep -EA2 'VGA|3D'

The output shows something like : 

00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core Processor Integrated Graphics Controller (rev 06)
Subsystem: CLEVO/KAPOK Computer Device 3501
Kernel driver in use: i915

01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 860M] (rev a2)
Subsystem: CLEVO/KAPOK Computer Device 3501
Kernel driver in use: nvidia

Now you can see that the NVIDIA drivers are in use -> Kernel driver in use: nvidia

To uninstall the drivers execute : 

sudo apt-get purge nvidia*  
sudo reboot

This removes the nvidia-settings application as well.

cl-netbox
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  • apparently I did not have any drivers installed. I'll try installing nvidia current now and see where it might leed – Sim Apr 07 '16 at 12:55
  • I did deinstalled, rebooted and installed nvidia-current but the output of your command (as given in the last edit) still stays the same - no Kernel driver listed. – Sim Apr 07 '16 at 12:58
  • @Sim : nvidia-current are drivers for older NVIDIA graphics adapters from the GEFORCE 8x and 9x series, in case you have a newer one from the GEFORCE 400 - 900 series you have to install nvidia-352 ! :) – cl-netbox Apr 07 '16 at 13:11