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My computer originally came with Windows 10. I decided to partition the disk in Ubuntu 20 and Windows 10. Both operative systems worked fine for 2-3 months, but one day Ubuntu just did not work anymore. When I turn on the computer and select to start with Ubuntu, the screen shows its brand, and then it stays black and nothing happens, I cannot come back and the computer does not obey any order, therefore I must unplug the computer. When I select to use Windows it works fine, it starts fast and there is not problem.

Do you know how to fix and recover Ubuntu? I have a couple of files in that partition and I would like to recover those.

Edit: The computer is Del (OptiPlex 7070). The processor is Intel (R) Core (TM) i7-9700 CPU@3.00GHz 3.00GHz. It has an operative system of 64-bits. Windows version is 1909. The video card is Interl (R) UHD Graphics 630. I am not sure if the system did updates, but I took these pictures of the settings of UEFI.

General system information

Boot sequence

Na_Na_Na
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3 Answers3

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Use Shift + F2 after choosing ubuntu from bootloader to show boot messages. Alternative would be to boot from usb drive (as a live system) and backup your data before you try to repair your ubuntu from usb drive.

Roger
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Probably not the answer you want, but I've had dual boot configs for Windows and Ubuntu over at least a dozen years. They co-existed more or less peacefully until UEFI came along. The maintenance work on either OS when UEFI is in the picture has added hours of troubleshooting tasks especially after installing patches to fix the UEFI.

It's just not worth the stress or risk of losing files over this. Get a separate machine for Ubuntu and avoid the trap.

mondotofu
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This has happened to me with some distros, mostly Manjaro (I use Ubuntu too, Regolith to be exact as a dual boot system.) The way I get through it is by trying to boot a different kernel, or the fallback initrd, which in this case, is the recovery boot. You can do this by going to Advanced options for Ubuntu, and clicking Ubuntu, with Linux (kernel ver here) or Ubuntu, with Linux (kernel ver here) (recovery initram).

Amint
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