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I have a very plain system that was running 22.10. Yesterday it offered to do a rather mundane looking update. When the update completed it said that a reboot was required, I accepted and the box rebooted. It showed the normal bios screen, and the normal couple lines about the disk being clean... and then just presented a blank, black screen. I let it sit over night, but still blank screen. Pushed the reset button, same thing. The box does seem to be running, it has a raid that is accessible. Tried to use remote system, connection refused. Telnet - connection refused. How do I get a screen, any screen to come up?

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  • Ubuntu 22.10 (along with all flavors) is End-of-Life and thus unsupported on this site (askubuntu.com/help/on-topic), and many other Ubuntu sites, unless your question is specific to moving to a supported release of Ubuntu. fridge.ubuntu.com/2023/07/27/… help.ubuntu.com/community/EOLUpgrades
    – guiverc
    Commented Jun 13 at 4:44
  • Firstly I'd check what you're actually running, as if you're running Ubuntu 22.10 as you state, there have been NO UPDATES in some time so your system (being left unsupported & unmaintained as your details indicate) may have been altered. If you're running a supported system then correct your question, but using an unsupported and EOL system online isn't wise. Also note that 22.10 release-upgrades are no longer possible; as that release had a upgrade path which is gone due EOL
    – guiverc
    Commented Jun 13 at 4:46
  • @guiverc - well that's not much help. You're right, since I can't see anything about the system it might not be 22.10... it is a relatively recent release, and the problem happened after applying an update... but that's not really the problem. At this point I'd love to update the system, but how can I do that when all it presents is a blank screen?
    – LarryM
    Commented Jun 13 at 12:34
  • If it was me I'd boot live media and then navigate to your installed system and actually look what it is.... If it's as you state 22.10, then there have been no updates since July 2023 & your system may have been taken over & thus your issue is worse than you realize. (ie. you were tricked into applying false updates!)... Alternatively if you're using 23.10 you have a rather different situation we can actually help you with... but knowing what you're using & what your actual problem is actually matters... Your details as provided imply you've been hacked! due to use of EOL system online
    – guiverc
    Commented Jun 13 at 12:57
  • Alternatives to live system exist (eg. telling your system to stop at runlevel 1...), but again you didn't provide clear details as to what you're running (Server? Desktop?) and details highlight an EOL system we don't provide support for anyway... If this is a production system I'd expect an operator to know what it is running, so go ask the machine operator (whomever is managing it; they need to do a better job & ensure it's not left unmaintained & using EOL software for starters!)
    – guiverc
    Commented Jun 13 at 13:02

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