Glitching with GF108M [GeForce GT 540M] nvidia-driver-390 non free

i installed ubuntu 20.04 recently in a machine that worked very well with non free drivers.
The nvidia graphic card is :GF108M [GeForce GT 540M]
The driver i’m using is the last recommended: nvidia-driver-390 non free.

nvidia-bug-report.log.gz (145.0 KB)

When i’m using for example firefox or chrome, screen starts glitching a lot, and its very difficult to work.

Please, Could you give me any tip to solve this? thank you!

Please set kernel parameter

Thank you, i tried it, and… glitches dissapeared. Everything went apparently ok , but suddenly system got stuck, i attach new log.nvidia-bug-report.log.gz (164.2 KB)

The gpu is at 75°C while idle, I guess your cooling is clogged with dust so the gpu will at some point overheat and crash.