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[SOLVED] Lock Screen stopped working, and Display now goes to sleep after inactivity

Posted: Wed Mar 27, 2019 4:29 am
by simian
Hi,

My settings have always been, and still are, that I don't want the computer or the display to go to sleep after inactivity.

My system has always respected these wishes, until recently.

Now:
- Lock screen doesn't work anymore, clicking Lock Screen does absolutely nothing, AND
- My display goes to sleep after a few minutes of inactivity (blank screen, but system is not locked)

I'm not aware of having made any changes in power management, and I wouldn't even know where to alter the behaviour of Lock Screen.

Settings in power management:
- never put computer to sleep,
- never put display to sleep

Screensaver disabled (I actually uninstalled screensaver so that it definitely wouldn't interfere)

As far as I can tell, the settings in dconf editor are the same as those in power management.

I'm so noob that I don't even know what kind of information to provide to you. Where do I start looking?

Linux Mint 18.3 Mate

Thanks!

Re: Lock Screen stopped working, and Display now goes to sleep after inactivity

Posted: Wed Mar 27, 2019 1:18 pm
by rickNS
simian wrote:
Wed Mar 27, 2019 4:29 am
Hi,

Screensaver disabled (I actually uninstalled screensaver so that it definitely wouldn't interfere)

As far as I can tell, the settings in dconf editor are the same as those in power management.

I'm so noob that I don't even know what kind of information to provide to you. Where do I start looking?

Linux Mint 18.3 Mate

Thanks!
Let me guess, that's when your troubles started ?

Mate-screensaver (description= Mate screensaver and locker)
So to start with put it back.

And for future it is "generally" best not to uninstall things that came with the original installation package. Yes there are of course exceptions to every rule.

Re: Lock Screen stopped working, and Display now goes to sleep after inactivity

Posted: Wed Mar 27, 2019 6:11 pm
by kevin987
simian wrote:
Wed Mar 27, 2019 4:29 am
It's probably best to ask the forum before attempting to uninstall a package that's included with the Mint operating system. Some have a lot of dependencies and need to be removed in a specific way. Others should not be removed at all, like python.

Re: Lock Screen stopped working, and Display now goes to sleep after inactivity

Posted: Thu Mar 28, 2019 1:33 am
by simian
rickNS wrote:
Wed Mar 27, 2019 1:18 pm
Let me guess, that's when your troubles started ?
Actually not, it was the other way around, first the troubles started, then I tried a few things including uninstalling the screensaver.
Anyway, putting the screensaver back did not solve the problem.
What did solve the problem was uninstalling power management as well (another big no-no, i guess), and then reinstalling the screensaver and power management.

Thanks for your input! I didn't know screen locking is part of the screensaver, so I learned that, thanks.