On 4/2/22 19:21, home user wrote:
(f34; gnome (is that relevant?), NVIDIA Corporation GK106 [GeForce GTX
660], Dell U2711)
This is a dual-monitor home workstation.
This afternoon, the left monitor suddenly started displaying only dim
vertical stripes and lines and a black background, nothing else. The
right monitor still works fine. It is the same when I switch the
monitor cables on the back of the tower, at the graphics card outlets.
How do I determine whether the problem is the monitor, the graphics
card, the graphics driver, or something else?
Given that switching the cables doesn't change the messed up display,
that really strongly points at the monitor failing. I assume that when
you switched the cables, the working monitor showed the other part of
the desktop. Do you have another computer to try the monitor on?
Is there something to look for in a log file? If yes, what do I look
for, and which log file should I look in?
If it's a monitor problem, then there isn't likely to be anything in the
logs.
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