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Debian does not boot on Microcomputer after installation
Debian does not boot on Microcomputer after installation
I have a relatively old micro computer where I try to install Debian 11. No matter which installation options I try (partition tables, boot flags, biosgrub flag, proprietary software option ) I always get a blank screen after the final installation step. The monitor says that there is no VGA signal and the screen goes into the sleeping mode. There is no message that there is no bootable medium etc. The bios has a UEFI boot option, but after choosing it there comes a screen which allows me to choose between the USB stick and the flash drive, but choosing neither of them does anything, I am always landing at the same window. So I can only boot the USB Debian installation in legacy mode. I have never encountered such a problem with regular computers and there is no problem during the installation what so ever. I can set up the network and download packages from the internet.
I have the following system:
Bios: Phoenix SecureCore Tiano QB_131218A IA32
Processor: Interl ATOM CPU R640
CactusFlashCard 8GB
I have the following system:
Bios: Phoenix SecureCore Tiano QB_131218A IA32
Processor: Interl ATOM CPU R640
CactusFlashCard 8GB
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Re: Debian does not boot on Microcomputer after installation
Does your computer have a name and model?
It is possible to have a 64-bit Intel Atom system with a 32-bir UEFI ( https://unix.stackexchange.com/question ... intel-atom )
It is possible to have a 64-bit Intel Atom system with a 32-bir UEFI ( https://unix.stackexchange.com/question ... intel-atom )
Re: Debian does not boot on Microcomputer after installation
The model is ML71F10 from syslogic https://www.syslogic.com/default.shtml. I also could locate a manual for it: https://www.syslogic.com/ProductDocumen ... .3.pdf.pdf which helped me to reset the bios (after fiddling with the graphic settings I had no VGA signal at all). That being said, there was a Debian 9 running on it (terminal only ofc) which was perfectly fine but too old. So someone somehow managed to install it.
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Re: Debian does not boot on Microcomputer after installation
So you could have updated/upgraded it ,,,there was a Debian 9 running on it
Re: Debian does not boot on Microcomputer after installation
I guess so. But I didn't know if there is enough space left for an upgrade, and moreover I didn't expect it not to boot.
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Re: Debian does not boot on Microcomputer after installation
Looks like a 32-bit UEFI firmware, so in order to boot in EFI mode you need a 32-bit EFI boot loader as embedded in i386 and multi-arch amd64-i386 ISO images.
Does the same happen on a cold boot ?
Do you see the BIOS boot screen ? Can you enter the setup or boot menu ?
Do you see the GRUB boot menu ?
Re: Debian does not boot on Microcomputer after installation
In legacy boot mode I don't see any messages what so ever. The only indicator that I am having is the monitor showing the 'on' status. By pressing f2 soon enough I get to the boot menu. If I try non bootable stick I get the error message that it is not bootable. Otherwise the monitor switches off to sleeping mode. Grub menu does not appear at any time.
In UEFI setting I land in the menu from where I can choose the medium to boot from ( not grub). But choosing from it does nothing. So I can't even boot the stick.
In legacy mode
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Re: Debian does not boot on Microcomputer after installation
Maybe an issue with GRUB graphic mode. I have seen it happen with a few graphic cards.
Quick check: boot a live system or the Debian installer in rescue mode, mount the root/boot filesystem and rename /boot/grub/grub.cfg. Reboot. If you see the grub> prompt, then it is probably a graphic issue. Chroot into the installed system (or run a shell in the installed system in rescue mode), edit /etc/default/grub to uncomment
and run update-grub. Reboot. You should see an ugly text-mode GRUB menu.
If this works, you may try different graphic resolutions by uncommenting and editing GRUB_GFXMODE instead of GRUB_TERMINAL.
Quick check: boot a live system or the Debian installer in rescue mode, mount the root/boot filesystem and rename /boot/grub/grub.cfg. Reboot. If you see the grub> prompt, then it is probably a graphic issue. Chroot into the installed system (or run a shell in the installed system in rescue mode), edit /etc/default/grub to uncomment
Code: Select all
GRUB_TERMINAL=console
If this works, you may try different graphic resolutions by uncommenting and editing GRUB_GFXMODE instead of GRUB_TERMINAL.
Re: Debian does not boot on Microcomputer after installation
Hello p.H. I tried that with the deleting the grub.cnf andp.H wrote: ↑2022-11-12 09:51 Maybe an issue with GRUB graphic mode. I have seen it happen with a few graphic cards.
Quick check: boot a live system or the Debian installer in rescue mode, mount the root/boot filesystem and rename /boot/grub/grub.cfg. Reboot. If you see the grub> prompt, then it is probably a graphic issue. Chroot into the installed system (or run a shell in the installed system in rescue mode), edit /etc/default/grub to uncommentand run update-grub. Reboot. You should see an ugly text-mode GRUB menu.Code: Select all
GRUB_TERMINAL=console
If this works, you may try different graphic resolutions by uncommenting and editing GRUB_GFXMODE instead of GRUB_TERMINAL.
Code: Select all
GRUB_TERMINAL=console
Then I tried the GRUB_GFXMODE, with 1920x1080 (preferred according to vbeinfo in grub) I land straight in the standby mode. If I choose 800x600 or 640x480 the monitor does not go into the standby mode but it remains black for the whole time. In neither of the resolution choices do I see the grub menu.
EDIT: I could get a hold of an colleague who was working with those Micro PCs and is very good at Debian. So the solution is to block a faulty graphics driver by adding a file like that
Code: Select all
echo "blacklist gma500_gfx" > /etc/modprobe.d/gma500-blacklist.conf
Last edited by kagi4624 on 2022-12-01 13:05, edited 1 time in total.
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Re: Debian does not boot on Microcomputer after installation
A faulty Linux driver would not affect GRUB. IMO the GPU or its firmware is faulty.