Score:-2

Ubuntu 22.04 no longer boots reliably

US flag

I have been running Ubuntu on my NUC10i7FNH system for several years with no problems. Upgraded Ubuntu to 22.04 months ago; no problems. Recently, though, booting the system results in screen flashing between black and Signal-lost for as long as I can take it.
It eventually boots for no repeatable reason I can see; I've tried ctl-alt-del, esc, various function key, etc. Floundering. Sometimes gets to GRUB then boots, sometimes boots clean offering choice of F2, F7, F10 to proceed. F10 boots it, then. I added a USB drive with Linux Mint 18.1 autoboot and it seems more willing, though still with black screen/signal-lost alterations from which ctl-alt-delete eventually gets to the boot screen and my Ubuntu 22.04 via a menu offered selection, not to Mint. Not trying to use Mint, just seeing if anything else will boot per boot order: USB first. Once booted Ubuntu runs with no problems till I turn it off. This system has 32GB Ram and two TB SSD drives, all mostly empty. I am essentially a wanabe scriptkiddy and know too little to figure this out. What have I screwed up? Help appreciated.

cc flag
Have you ever checked the memory? Try swapping the memory sticks to see if any difference.
David avatar
cn flag
Why are you trying with a non Ubuntu version of Linux to figure out what is wrong with this Ubuntu install?
Score:1
cn flag

Intermittent video failure suggests a hardware fault unrelated to the OS.

Try a different video cable. Try a different monitor. Try a different NUC.

Replacing the correct one of those three usually fixes such problems.

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