How to stop LM from going to sleep (lemmy.world)

submitted 9 months ago by kboos1@lemmy.world to c/linuxmint@lemmy.ml

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I'm a novice so go gently it's kinda my first time. I hope I'm in the right place.

I recently installed Mint on an old laptop to use as a browser for my TV. Everything has gone great so far except when I turn off the TV the laptop goes to sleep and won't wake. The TV is set to primary display.

I've turned off all of the power saving options and set Screen off/Suspend/lid coose to never or nothing. Turned off the screen saver and light. I checked the BIOS (it's actually BIOS and really that old) and no power settings that would effect sleep or wake.

But it still goes to sleep when I turn off the TV. This would be tolerable if it would actually wake from sleep. So the only way to get it to come on is to pull the battery out and force a restart.

Problem #1 - Goes to sleep when TV is off

Problem #2 - Won't wake unless I pull the battery

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[-] kboos1@lemmy.world 2 points 9 months ago

Thanks everyone I got it to stop going to sleep when the TV is turned off by changing the main display back to the laptop screen and just mirroring the laptop to the TV.

this post was submitted on 17 Jan 2026

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