Could also be a bad connector or cable. The VGA port on a monitor of mine recently went bad. The connection initially started fine, then after a minute flickered on and off, and then went black. The problem repeated with different cables. Switching to a different port on the monitor resolved the problem.
I would also look into re-seating the video card (changes in moisture and especially temperature can move the card around inside the slot). Usually a kernel panic results in a frozen screen, not a black screen. - Victor On 10/24/19 7:32 PM, Dan Juarez wrote: > Sounds like a connection issue between the computer and the monitor. > Try unplugging the cables from the monitor and the computer and > reconnecting them. > > Dan Juarez > d...@lifeseven.com > > On October 24, 2019 6:12:25 PM Gérald Jean <gerald.j...@videotron.ca> wrote: > >> Hello, >> >> >> I am running Xubuntu 18.04 LTS on an AMD-8350. Usually runs good with >> little problem. But since yesterday the screen went black two times on >> me with the sign «No signal». I tried to plug the PC into the TV >> through an HDMI cable, same thing: «No signal». Further more I can't >> even turn the computer off, it won't turn off, I have to pull the plug >> from the wall? >> >> >> Any idea of what is going on? It scares me, the computer is only a few >> years old and, until now, I'm happy with it. >> >> >> Thanks for any insight, >> >> >> Gérald >> >> -- Victor Forberger vforber...@fastmail.fm blog: http://linuxatty.wordpress.com
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