Ubuntu

Attempt to read or write outside of disk ‘hd0’

Asked by Luis M.Jacinto

Installing 4 times Ubuntu 20.04 and after few days when Booting it stops
with errors and one is “Attempt to read or write outside of disk ‘hd0’”.
I use live USB 20.04.1 and install and run Boot-Repair it reports the following.
“Please disable BIOS-compatibility/CSM/Legacy mode in your UEFI
firmware from live-CD (or live=USB) that is compatible with UEF booting mede.
For example use a live-USB of Boot-Repair-disk-64bit”
Don't know what I should do can some one explain and help me fix this.
Thank you

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Luis M.Jacinto
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Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#1

Is this a dual boot or is Ubuntu the only OS on the system?

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Luis M.Jacinto (ljacinto) said : 		#2

Ubuntu only OS

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actionparsnip (andrew-woodhead666) said : 		#3

Did you try to install with compatibility mode in the BIOS (legacy) as well as secure boot?

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Luis M.Jacinto (ljacinto) said : 		#4

No I didn't it was just insert USB stick and install, do I have to reinstall?
Need directions to modify the BIOS.
Thanks

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Luis M.Jacinto (ljacinto) said : 		#5

I still need help with this.
Thank you

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Manfred Hampl (m-hampl) said : 		#6

What exactly is happening when you try booting Ubuntu?

It might be helpful, if you run boot-info again, upload the results to a pastebin system and provide the link in this question document.

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Luis M.Jacinto (ljacinto) said : 		#7

Don‘t understand “ run boot-info again”.

Booting the PC a page opens with:
error: attempt to read or write outside of disk ‘hd0’
grab rescue>

Don't know what I should do with (grab rescue>)

Revision history for this message
Manfred Hampl (m-hampl) said : 		#8

"I use live USB 20.04.1 and install and run Boot-Repair it reports the following."

Please do this again, and select boot-info and not boot-repair.

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Luis M.Jacinto (ljacinto) said : 		#9

http://paste.ubuntu.com/p/cHbzvGKTWW/

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Luis M.Jacinto (ljacinto) said : 		#10

I upload the results boot-info to a pastebin and provide the link

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Luis M.Jacinto (ljacinto) said : 		#11

Cant wait any long