torch.version.cuda really returns ‘11.1’, nothing weird there. Thanks for the power saving mode idea, that didn’t really come to my mind. I looked into BIOS, but I didn’t find anyting related to GPU at all. The only option was something about thermal mode, I switched it to power, but nothing changed. After all of this, I think pytorch is simply unable to work with this specific model of gpu or hardware combination. But that’s not a problem anymore, few days ago I found out google colab is a thing, and after some trying I think it’ll be even better than using my laptop, since their GPUs are much more powerful devices (16GB of VRAM compared to 4GB on my device). But thank you for your help.