Re: screen won't un-blank under specific timing

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On Wed, 2022-06-01 at 10:54 -0400, Fulko Hew wrote:
> If I come back to use my computer and hit a key at exactly the same
> time as the screen decides to blank (I don't use screensavers) then
> the screen does blank, but no key or mouse activity (I've tried) will
> cause the screen to wake up again.  I know the machine is still
> active because one of the keystrokes I tried, woke up and started to
> play a Youtube video that was paused on one of my browser instances.
> 
> So everything is still working, but nothing (I've found) will un-
> blank the screen.
> 
> Idea's anyone?

The first obvious one is you could disable screen blanking.

But I wonder if it's power management?  Try disabling power management,
the screen will show a black picture but not power off.
 
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