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Lenovo laptop dims screen after about 30 seconds (discuss.tchncs.de)

submitted 10 months ago* (last edited 10 months ago) by [email protected] to c/[email protected]

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This isn't a question but rather a solution to a problem I couldn't find anywhere online, apologies if this is the wrong community.

If you have a Lenovo laptop (in my case a T14 thinkpad) and your display dims after about 30 seconds, no matter what you specify in Windows settings, you might have to disable the "Zero-Touch-Lock". You can do this in the Lenovo Vantage Software (in my case called "Lenovo Commercial Vantage") in the menu "Smart Assist".

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[–] [email protected] 8 points 10 months ago (1 children)

Some Lenovo laptops also have an "adaptive display brightness" setting hidden in the BIOS. Which in the case of my X1 Yoga, at least, is crap. If you leave it enabled it makes your screen brightness waver all over the place allegedly in response to whatever's being displayed, but A) it lags behind screen updates for what feels like over a second, and B) even if you're just displaying a static image it still waffles your screen brightness back and forth sometimes for no identifiable reason.

I have no clue whatsoever who thought this was a good idea.

Sane individuals will probably want to just turn this off. Note, however, that this has nothing to do with any kind of inactivity timeout as OP has described. That's a separate thing. The adaptive brightness with happily turn your screen into a low-grade discotheque even while you're actively using the machine.

[–] [email protected] 1 points 10 months ago

Ohhh yeah that's super stupid, my Dell Inspiron 14 5405 has a similar "feature"