I've been using Linux Mint on a Windows PC for about two weeks now, and I've encountered a frustrating issue where the system freezes when it's left idle for some time. When I return, the screen is off, and I can't wake it up. The only way to get it working again is to do a hard shut down using the power button, and this happens quite frequently. I've already disabled the idle screen turning off and noticed that the screensaver just shows the last time before the freeze. I've tried using the 'Raising Elephants' method (R-E-I-S-U-B) to restart, but it only shuts down without actually rebooting. Previously, I didn't have a SWAP file but added one hoping it might resolve the issue, yet it didn't help. I also checked my BIOS, and it's up to date. I even followed instructions to update Grub as suggested in some forums. Out of sheer desperation, I did a full clean install, but the freezing issue returned again last night. Here's my system info: [system info link]. Any suggestions on how to resolve this?
4 Answers
I've run into a bug where if I boot up my computer with the monitor off and then turn it on, the OS doesn’t connect to the screen. I wonder if something similar might be happening when your monitor goes into sleep mode.
I had the same issue with Linux Mint and couldn't find a fix. Eventually, I switched to Fedora with the KDE desktop environment, and it worked perfectly on the same hardware. Sometimes, the specific distribution can make a difference, so it might be worth considering.
As a possible solution, you could try installing Ubuntu 25.10 to see if the freezing behavior persists. It's worth testing a different distribution to see if that resolves your issues.
To better understand the freezing issue, you should check your system logs after a crash. Run `sudo journalctl -k -b -1` to see what went wrong before the freeze, and look specifically for error messages with `sudo journalctl -k -b -1 | grep -C5 -i error`. This could provide some insights into what might be causing the problem.
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