I have the same issue on an nvidia GeForce GTX 960M Hardware with the
same error output:
(totem:21578): GLib-GObject-CRITICAL **: 21:52:48.831:
g_param_values_cmp: assertion 'G_IS_VALUE (value1)' failed
Gdk-Message: 22:01:34.548: Error flushing display: Protokollfehler
After removing
I had several installations on the same computer now (for other reasons) and
ALWAYS the correct resolution was found (without changing anything with the
cables). To my view it cannot be the cable.
Why is the resolution then never changed back to UHD even after restart/power
on/off ?
Additional
Public bug reported:
After "original Ubuntu 16.04 LTS" installation on my
Intel® Pentium(R) CPU G4400 @ 3.30GHz × 2
Intel® HD Graphics 510 (Skylake GT1)
System with UHD TV (3840x216@30Hz)
Philips 49PUT4900
everything seemed fine. The resolution was totally ok with 3840x2160@30Hz.
Without
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