What version of Ubuntu is this? That makes a big difference. PopOS is 'Edge', so is running a lot later kernel 6.8.x) than Ubuntu 22.04.4 w/ the HWE...
Also the setting in the GDM conf file... <--- Becaseu that has a setting there locking root out also. Then after all that, you would have to generate...
Depends upon your workload and if you want to be able to hibernate. Check if you use any swap with the free command in a terminal when your workload...
Ah. I just ran the boot repair and came back to find the update-grub messages. So I'll try that, but in the meantime here's the pastebin generated by...
Thanks for the help. So thinking I will shrink my windows partition to 386GB, 64GB for / and the rest for /home. But still not sure about a swap file...
The simplest thing to attempt to repair this problem is the update -grub suggestion above and if that does not succeed, get boot repair as suggested...