GRUB problems, "booting in blind mode"

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GRUB problems, "booting in blind mode"

Postby themannen » 2017-03-18 19:41

Hi. I'm trying Debian for the first time (going from Ubuntu) but it won't boot correctly. It just boots in "blind mode". So please help.

I'm using a (new) HP Omen 15, these are the specifications:
Windows 10 Home 64
Intel Core i7-7700HQ
NVIDIA GeForce GTX 1050 Ti
256 GB PCIe NVMe M.2 SSD
1 TB 7200 rpm SATA
16 GB DDR4-2400 SDRAM (2 x 8 GB)

I want to dual boot with Debian and Windows 10. I went to debian.org and downloaded "debian-8.7.1-amd64-netinst.iso" and mounted it on a USB stick. I used Windows to shrink C and proceeded to create partitions on the SSD for Debian and install it from the USB. GRUB wouldn't install automatically so I had to do it via the shell as in this thread: viewtopic.php?p=636996#p636996 (is that a cause for concern?) (The installer said something about firmware missing for WIFI or something and that I could install it myself but I ignored that. I tried both to let it and not let it install the unfree stuff when the installer asked me. It made no difference for the following problem)

Now when I start the computer some sort of GRUB command line opens. I followed the "Booting From grub>" instructions here: https://www.linux.com/learn/how-rescue- ... ub-2-linux. Then it said "No suitable video mode found. Booting in blind mode" and everything froze. (Sometimes the light on the caps lock key started blinkning at this step, I think.)

I tried to google the error but don't know if these solutions are applicable or I couldn't get them to work, but maybe someone else can find something useful there (I also think I read something somewhere about Nvidia maybe being the problem):
viewtopic.php?p=633033&sid=6ad7eea2841866e60caf5477b58e4991#p633033 (if the "proper values" are 1920x1080 it didn't help)
https://forums.linuxmint.com/viewtopic.php?t=216457
https://forums.linuxmint.com/viewtopic.php?t=173856 (how do I edit grub.cfg?)
https://forums.gentoo.org/viewtopic-p-7 ... f4#7672340
https://wiki.archlinux.org/index.php/GR ... d.22_error (how do I edit boot parameters?)
https://community.linuxmint.com/tutorial/view/842 (this doesn't seem like my problem and again I don't know how to modify the stuff it describes)
https://bbs.archlinux.org/viewtopic.php?id=150085?db=5

I can still access Windows by pressing escape when starting the computer and using the "boot device options" in the start up menu there.

So what should I do to get it all working? If you need additional details then just say so, I don't know which steps are important.
themannen
 
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Re: GRUB problems, "booting in blind mode"

Postby Head_on_a_Stick » 2017-03-18 19:55

I went to debian.org and downloaded "debian-8.7.1-amd64-netinst.iso" and mounted it on a USB stick

What exactly do you mean by "mounted it on a USB stick"?

Have you read https://www.debian.org/releases/stable/amd64/ch04s03.html.en#usb-copy-isohybrid?

The rest of that document should also be studied.
“Such is modern computing: everything simple is made too complicated because it’s easy to fiddle with; everything complicated stays complicated because it’s hard to fix." — Rob Pike

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Re: GRUB problems, "booting in blind mode"

Postby themannen » 2017-03-18 23:03

Head_on_a_Stick wrote:
I went to debian.org and downloaded "debian-8.7.1-amd64-netinst.iso" and mounted it on a USB stick

What exactly do you mean by "mounted it on a USB stick"?

Have you read https://www.debian.org/releases/stable/amd64/ch04s03.html.en#usb-copy-isohybrid?

The rest of that document should also be studied.

I used Rufus: https://rufus.akeo.ie/. I don't remember the exact settings right now but if it's relevant I could probably figure out which ones they were. Do you think that could have been the problem?

I don't see anything in particular in that document that could help me but maybe I'm missing something.
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Re: GRUB problems, "booting in blind mode"

Postby bw123 » 2017-03-19 01:20

Now when I start the computer some sort of GRUB command line opens.
<snip>
I can still access Windows by pressing escape when starting the computer


Well, these two statements seem contradictory. Even though you've done a lot of research, I think you still have not installed grub correctly. There's a thing called 'bootinfoscript' that was really hot awhile ago,maybe you should try it?

If you post the info, maybe you will get more advice..

https://sourceforge.net/projects/bootinfoscript/
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Re: GRUB problems, "booting in blind mode"

Postby Head_on_a_Stick » 2017-03-19 09:44

themannen wrote:I used Rufus: https://rufus.akeo.ie/. I don't remember the exact settings right now but if it's relevant I could probably figure out which ones they were. Do you think that could have been the problem?

Yes, Rufus will only work with Debian (and most other) ISO images if the "DD" [sic] mode is selected — did you do this?
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Re: GRUB problems, "booting in blind mode"

Postby themannen » 2017-03-19 12:03

bw123 wrote:
Now when I start the computer some sort of GRUB command line opens.
<snip>
I can still access Windows by pressing escape when starting the computer


Well, these two statements seem contradictory. Even though you've done a lot of research, I think you still have not installed grub correctly. There's a thing called 'bootinfoscript' that was really hot awhile ago,maybe you should try it?

If you post the info, maybe you will get more advice..

https://sourceforge.net/projects/bootinfoscript/

Yeah maybe. But it seems that's only for Linux, or...? I don't know how I'd run it if I can only boot into Windows, not Debian?

Head_on_a_Stick wrote:
themannen wrote:I used Rufus: https://rufus.akeo.ie/. I don't remember the exact settings right now but if it's relevant I could probably figure out which ones they were. Do you think that could have been the problem?

Yes, Rufus will only work with Debian (and most other) ISO images if the "DD" [sic] mode is selected — did you do this?

Hm interesting, maybe not! I could try it again with DD mode and see if that works better. Let me know if there's anything in particular I should think about before doing that.
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Re: GRUB problems, "booting in blind mode"

Postby themannen » 2017-03-20 17:59

themannen wrote:
Head_on_a_Stick wrote:
themannen wrote:I used Rufus: https://rufus.akeo.ie/. I don't remember the exact settings right now but if it's relevant I could probably figure out which ones they were. Do you think that could have been the problem?

Yes, Rufus will only work with Debian (and most other) ISO images if the "DD" [sic] mode is selected — did you do this?

Hm interesting, maybe not! I could try it again with DD mode and see if that works better. Let me know if there's anything in particular I should think about before doing that.

So I tried it again now after using DD mode on the USB stick but it made no difference. Same problem with installing GRUB automatically during the installation, same problem with booting into blind mode when it's installed.

Any new ideas from anyone?
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Re: GRUB problems, "booting in blind mode"

Postby Head_on_a_Stick » 2017-03-20 20:46

I dislike that "wall of output" bootinfo script, I prefer the manual method.

Please post the output of these commands:
Code: Select all
# parted --list
# efibootmgr -v

Both commands must be run as root (hence the "#" symbol) and both commands should be run from a UEFI-capable live ISO image.

Unfortunately, the Debian jessie live images do not support UEFI, you can try one of our new BunsenLabs ISO images, they will boot in UEFI mode:

https://forums.bunsenlabs.org/viewtopic.php?id=3423
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