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Questions tagged [grub]

GRUB (GRand Unified Bootloader) is a multiboot bootloader from the GNU project. This tag is for questions relating to the legacy version of GRUB. Use the GRUB2 tag for questions dealing with GRUB2, a rewritten version.

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Deleted Ubuntu partition from Windows 10 now I can't boot at all

Hello I had Windows 10 and Ubuntu installed a Dell Inspiron 15. I wanted to get rid of Ubuntu and deleted the partition from Windows and now it wont boot. It goes to GRUB. What can I do to fix this? I'...
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0answers
11 views

Can't choose windows neither in grub nor in bios

If I try to choose windows in grub or in bios, cursor jumps over the windows kernel option. I can choose only ubuntu system. When I choose ubuntu it shows login screen but my root password doesn't ...
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1answer
566 views

Stuck on GRUB Bootloader

I recently had a dual boot setup on my laptop with Windows 10 and Ubuntu 19.04. I started having issues with Ubuntu, and as was suggested to me, I decided to delete Ubuntu and then reinstall it. In ...
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11 views

Black screen and blinking cursor in rescatux ubuntu

I'm trying to repair an ubuntu 18.04 LTS where I can't start grub by holding down right shift. (I need grub to boot in rescue modes). I tried rescatux, it chose automode automatically (I think, didn'...
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0answers
27 views

Boot memtest86 from hard drive

Is it possible to boot into memtest86 from the hard drive (i.e. add it to my Grub menu), without burning it to a CD/USB, or creating an extra partition. I expect it should be possible, because Debian ...
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0answers
23 views

grub configuration from systemrescuecd upgrade from 5 to 6

I have a configuration that is working with SystemRescueCd v5, looks like this: menuentry 'System Rescue Cd' { set isofile='/systemrescuecd.iso' loopback loop (hd3,gpt2)$isofile linux (loop)/...
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1answer
22 views

grub.cfg is missing, is there a way to recreate it

I am running CentOS, my gurb.conf file is missing. Can anyone recommend me how I can generate it and not re-create it ? Thanks !
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54 views

How to dual boot linux on windows 10 Huawei matebook X Pro from GRUB load screen?

I just need some help with code I'm trying to dual boot linux on my laptop from a USB stick. I had to disconnect Secure Boot for it to work, but when I try to install it I'm opened with a Grub screen. ...
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1answer
50 views

What are UEFI and BIOS? [closed]

I have some difficulties to understand how the boot step of a computer works. Particularly the difference between BIOS and UEFI. What I understand for now is UEFI is newer than BIOS. Both are some ...
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1answer
351 views

Fedora 30 upgrade and unable to boot

I have upgraded from 32 bit Fedora 28 to 30 using dnf system-upgrade, exactly as found in the Fedora documents. All was OK, up to dnf system-upgrade reboot. The started system has upgraded the ...
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0answers
42 views

Desperately trying to automatically boot from USB on old hardware using PLoP and Grub4DOS (Error: Cannot continue if PLoP is active)

I want to boot Tails from a USB-stick on my old Pentium 4 machine, whose mainboard is too old to natively boot from USB. I want to boot from USB because I already have made a multi-boot-USB stick that ...
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1answer
30 views

Google Cloud Platform Change Ubuntu Kernel to generic

It is possible to change google cloud vm kernel? I created Ubuntu 16.04.6 LTS with kernel GNU/Linux 4.15.0-1030-gcp x86_64 machine. I downloaded 4.4.0-146-generic I tried to change the /etc/...
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1answer
13 views

Unbootable KVM guest

I've tried to shrink the root partition of a KVM guest. I managed to shrink it without data loss (as far as we consider only the data inside it, that is), but now the system does not boot anymore. It'...
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0answers
32 views

Dual Boot: “Invalid partition table” & cannot boot into Windows 10 anymore

I recently re-did my system setup, having two separate SSDs because Windows usually tries to screw Linux installations up if it's on the same physical disk. HDD layout HDD0 | nvme0n1 | Samsung SSD ...
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0answers
12 views

I just restart my PC and I get an error “cinnamon just crashed fallback mode” I am a linux mint user

Error message I just restart my PC and I get an error "cinnamon just crashed fallback mode" I am a Linux Mint user. I tried to restart Cinnamon many times, but the error message still appears.

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