Originally Posted by
CelticWarrior
Have you disabled Secure Boot? The issue with Nvidia X Server Settings suggests the Nvidia drivers aren't loaded.
Yes secure boot is off, I agree it appears as if Nvidia is not loaded, but monitoring Xorg's log it seems Nvidia is running, but so very hard to say for sure which driver is really being used, so I'm not sure. I even see mention of nouveau, Radeon and vesa being unloaded, none of which makes sense.
Code:
root@tufa15:/etc# nvidia-smi
Fri Apr 24 20:13:28 2020
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 440.64 Driver Version: 440.64 CUDA Version: 10.2 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 166... Off | 00000000:01:00.0 Off | N/A |
| N/A 44C P0 9W / N/A | 0MiB / 5944MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| No running processes found |
+-----------------------------------------------------------------------------+
So it would appear it is not, no clue what is then being used, so I tried running "nvidia-xconfig" however that only broke X, which was not a surprise had it happen many times, but really starting to hate this laptop and Ubuntu on it.
I also tried adding "amdgpu.exp_hw_support=1" which is required pre 5.5 (so 5.4) for Renoir support, however it did not make any difference, to brightness, but I'm now using the AMDGPU driver at least.
ERIC
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