ubuntu-x-swat team mailing list archive

[Chris Halse Rogers <raof@xxxxxxxxxx>]

It seems that you've got two monitors plugged in - does this problem
occur on both monitors simultaneously, both monitors independently, or
just one monitor?

Does this still happen if you unplug one of the monitors?  (I'd start
with the VGA monitor, as I think it's more likely to have problems)

If you *don't* have two monitors plugged in (and the EDID information is
suspicious, unless you've got two identical monitors plugged in), then
there's at least one problem diagnosed ☺.

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https://bugs.launchpad.net/bugs/681054

Title:
  screen repeatedly goes black for a fraction of a second