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Installed Q4OS using the windows installer (dual boot) , all has been great for many months.
Currently my system fails to fully boot and stops at Record Runlevel change in UTMP.
Can I re run the windows installer, will it detect my current Q40S installation and repair ?
Alternatively any other suggsetions as to how to fix ?
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Can you access the TTY terminal so you can restart the tdm.service display manager?
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Thank you for your reply regarding using the TTY console, Im relatively new to linux, can I acesss the console during the failed fully booted stage ?, if so how can I resolve the problem, much appreciated
Last edited by AC (2025-05-24 19:59)
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To attempt to access the TTY terminal:
1.When the system stops at "changing log runlevel in UTMP," press Ctrl + Alt + F1 (or F2, F3, etc., through F6). This should take you to a text-based terminal screen.
2.If successful, you'll see a login prompt. Enter your username and then your password.
3.Once logged in, you can try restarting the display manager service. The display manager for Q4OS is tdm.service. You can try the following command:
Bash
sudo systemctl restart tdm.service
After running the command, press Ctrl + Alt + F7 (or F8, F9, etc.) to try returning to the graphical interface. Sometimes the display manager is on a different TTY.
If you can't access the TTY terminal with Ctrl + Alt + F1 (or F2-F6), or if the sudo systemctl restart tdm.service command doesn't work, we can explore other options.
Repair and Reinstallation Options
Rerun the Windows Installer?
I don't recommend rerunning the Windows Installer to "repair" Q4OS. The Windows Installer is designed to configure a dual boot, not to repair an existing Linux installation. It's highly unlikely to detect your Q4OS installation for repair, and in the worst case, it could overwrite something and make the situation worse.
Troubleshooting Suggestions
Since you mention you're relatively new to Linux, here are some additional suggestions you could try if accessing the TTY and restarting tdm.service don't work:
Boot into recovery mode: When you turn on your computer and see the GRUB menu (the menu where you choose which operating system to boot), look for an option that says "Advanced options for Q4OS." Within that submenu, there should be an option to boot into "Recovery mode." This usually loads the system with minimal services and may allow you to access a terminal to investigate the problem.
Review system logs: Once you gain access to a terminal (either via TTY or in recovery mode), you can review the logs to see what's causing the problem. System logs are usually located in /var/log. Some useful logs might be syslog, boot.log, or dmesg. You can use commands like less /var/log/syslog or journalctl -xe to view them.
If none of these options work or are too complex, reinstalling might be an option, but let's try to exhaust all repair options first.
Have you tried accessing the TTY terminal with Ctrl + Alt + F1?
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Thank you so much for your extensive reply.
I'll let you know how I get on
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