Update 25.04 to 25.10

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I sent this message from another computer. I updated my computer from 25.04 to 25.10 and now Ubuntu does not start anymore. All I get is a blinking cursor in the upper left corner.

I tried something:

I started the pc and choose advanced options.

I choose kernel 6.17.0-12 - generic (recovery mode)

I got recovery menu.

I just hit enter on resume (did nothing else) and Ubuntu did start. I tried this several times and every time Ubuntu starts as it should be.

Is there something I could do on the recovey menu to solve the problem???

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Hi, @Tukkie!

Perhaps try updating GRUB. :thinking:

Launch the terminal (Ctrl Alt t), enter lsblk -no pkname to get the name of your disk, and enter this line, replacing “xxxx” with the name in question:

sudo os-prober && sudo update-grub && sudo grub-install /dev/xxxx

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Unfortunately that solution did not work, the same problem: blinking cursor in the upper left.

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Why not try Boot-Repair?

sudo add-apt-repository -y ppa:yannubuntu/boot-repair && sudo apt update && sudo apt install -y boot-repair ; boot-repair

Don’t change the options, but ask for the report.
If that doesn’t work, post it in your reply (click the “Upload” button).

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Yeah - its a difficult one to diagnose without have more info. It might just be an issue that before the upgrade @Tukkie might have accidentally removed the critical ubuntu-budgie-desktop / ubuntu-budgie-desktop-minimal packages sometime in the past. The upgrade then would have missed out / removed all critical packages.

@Tukkie I would rollback to your backup you have before you did the upgrade … I’m assuming you do have a current backup. Then check you have either of those two packages installed before re-doing the upgrade.

Alternatively you would need to switch to a TTY (CTRL+ALT+F3) and login. Run

sudo apt update && sudo apt install ubuntu-budgie-desktop
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I didn’t remove ubuntu-budgie-desktop / ubuntu-budgie-desktop-minimal packages. When I install Budgie, I always install minimized, could this be the problem?

I rolled back to 25.04. I will do a clean install of 25.10 on another partition and see how this works out.

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This is just a hypothesis, but several users on another forum where I provide support have recently experienced strange issues at the same time.
One of them found that the issue was caused by kernel version 6.17.0-14 and was resolved with version 6.17.0-37.

Unfortunately, I no longer have 25.10 on my multiboot system to check the kernel versions, but this is perhaps something to consider.

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The kernel on my pc is 6.17.0-12 .

How can I update to kernel 6.17.0-37 ?

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Ah, I don’t know about that, but you don’t have kernel 6.17.0-14 yet.
You’ll see when you compare it with your new installation. :thinking:

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Oké, i wait and see. Thanks so far.

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