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#1 2015-08-23 21:26:30

seeegma
Member
Registered: 2015-08-23
Posts: 3

Monitor flashes at full brightness on wake from DPMS

I usually have my monitor's brightness very low, at around 2%. (I use xbacklight to set it, not sure if that is relevant.) I also use DPMS to save power. When DPMS has powered down the monitor (there is no difference between "standby", "suspend", and "off" on LCD monitors, I have read) and I wake it up, the monitor will resume at full brightness for a split second before returning to the original brightness level. This is quite noticable and irritating, especially when in a dark environment.

Is this something I can fix? Is the issue with DPMS, the hardware, or something else (xrandr?)?

The article on DPMS doesn't mention anything like this, and google has not yielded anything relevant.

I have tried using XScreenSaver, but the problem remains as long as DPMS is enabled. (With it disabled, XScreenSaver fades the screen to black but does not power-down the monitor, I believe, so less power is saved.)

I am running i3, if that's relevant. Computer is Lenovo ThinkPad Yoga 14.

Thanks in advance for any help you can give!

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