Sending this bug after, solved by change drivers, i can change it back
to 470, and perform debug commands if needed (gather logs etc.)
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https://bugs.launchpad.net/bugs/1943130
Title:
Public bug reported:
After turn on mu PC, it doesn't send signal to the second monitor. (with driver
"nvidia-driver-470(proprietary tested)"
After change it to: "nvidia-driver-460(proprietary)" problem solved.
Looks like new kernel update have conflict with nvidia - 470 driver.
(because