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Problem with computer suspension

PostPosted: Feb 24th, '20, 23:49
by mrkeezbo
Hi everyone, i recently bought a HP notebook ( HP - Notebook Stream 14-DS0001NL ) and installed Mageia instead of W10 because I find it more comfortable for the use I have to make of it. By the way, I noticed a problem when I close the computer "cover"; when I re-open it, it shows a black screen and the only one thing I can do is to move the cursor. Everytime I have to turn off the notebook with the power button, then turn it on so I can normally use it.
This is uncomfortable because often I have to close the computer cover. I would like to find a way so that when I reopen the PC it shows me the login interface, similarly to what happens when the PC suspends for inactivity with open cover.
I kindly ask if there is a way to fix this.

Re: Problem with computer suspension

PostPosted: Feb 25th, '20, 10:28
by nigelc
Maybe change the screen saver settings.

Re: Problem with computer suspension

PostPosted: Feb 25th, '20, 11:50
by mrkeezbo
nigelc wrote:Maybe change the screen saver settings.


I'm totally new on Mageia, where should I have to change these settings?

Re: Problem with computer suspension

PostPosted: Feb 25th, '20, 12:54
by nigelc
Which desktop are you using? Kde, mate etc.

Re: Problem with computer suspension

PostPosted: Feb 25th, '20, 14:30
by mrkeezbo
Kde

Re: Problem with computer suspension

PostPosted: Feb 26th, '20, 07:37
by nigelc
I don;t use KDE//Plasma so I'm only guessing.
Click on System Settings > Power management. Energy Saving.
Then Try them all, one ,by one
And see what happens.

Good luck.

Re: Problem with computer suspension

PostPosted: Feb 26th, '20, 16:50
by magic
I suspect the difference between the 2 scenarios is that when the lid is left open only the screen is turned off but when the lid is closed the system suspends. If so this is likely a graphics (driver) issue.
Have you installed all updates? (i.e. current kernel is, I believe, 5.5.4 - it shows your running kernel version in "Info Centre")
Have you tried switching to a terminal (Ctrl+Alt+F2 for example) when the screen is dud?

I had a vaguely similar problem several years ago with an old laptop and my, less than ideal, solution was to set it to never suspend or turn the display off (but with the way I was using it at the time that was acceptable)

mrkeezbo wrote:Everytime I have to turn off the notebook with the power button, then turn it on so I can normally use it.

Do you mean holding the power button down for 5 seconds? Before that try Ctrl+Alt+F2, ssh in from another computer/phone (if set up), Ctrl+Alt+Backspace a couple of times, banging Ctrl+Alt+Delete (pressing 7 times within 2 seconds should initiate an emergency reboot).
Until it's solved changing the default behaviour of the power button (for normal press) to 'shutdown' in System Settings > Power Management might be worth it.