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Any OS selection runs Windows instead of selected OS

I installed ubuntu22 alongside windows11 on (Lenovo Ideapad3), while installing I selected "use ubuntu alongside windows". So I did it. But for some personal reason I deleted the grub from ...
Ashraf Minhaj's user avatar
0 votes
0 answers
176 views

Windows 10 not found after installing Bliss OS

I have a problem similar to this one: Windows 10 disk not found when trying to boot from Grub I installed BlissOS next to Windows 10. Booting BlissOS works but booting Windows results in error: Error: ...
Dawid's user avatar
  • 1
0 votes
1 answer
174 views

Windows 10 disk not found when trying to boot from Grub

I just installed Bliss OS 16 on my laptop. I can boot to Bliss OS just fine but when I tried booting to Windows it gave the me Error: disk 'hdWindows' not found instead. During GRUB2 installation a ...
Polaris144's user avatar
0 votes
0 answers
58 views

How to boot UEFI windows from BIOS GRUB?

I have one disc partitioned in GPT mode by Windows 10 with whatever sadly Windows 10 installation created there. /dev/sda1 2048 206847 204800 100M EFI System /dev/sda2 206848 ...
KamilCuk's user avatar
  • 870
0 votes
0 answers
18 views

Recover windows 10 installation, grub does not detect it, unsafe state upon mounting

I'm pretty sure I did something 1-2 months ago that borked my windows installation (I forgot what it was), now I can't boot into it, the partition is still there and I can see my files. But I can only ...
Liso's user avatar
  • 131
0 votes
0 answers
27 views

Customising Grub for Windows with Ubuntu 23 installed

I've been trying to add a grub menu item for Windows 10 on my system. I've successfully added an entry by creating a custom menu entry but each time it fails to work - with an error that /efi/EFI/...
Ray's user avatar
  • 101
0 votes
1 answer
32 views

Grub wont boot windows after install

I have a machine where I just installed Endeavour in its own disk. I’ve configured OS probe to allow the detection and addition of windows to grub but despite the system being found it cannot boot. ...
vfbsilva's user avatar
  • 3,717
2 votes
2 answers
29k views

Resolving Dual-Boot Issue: Windows Not Showing in GRUB Menu

I recently encountered a dual-boot issue on my Debian 12 system where Windows 10 was not showing up in the GRUB menu after a Debian update. I spent some time troubleshooting the problem and was able ...
Adnan Amara's user avatar
0 votes
0 answers
150 views

EFI Win10 / Linux dual boot setup - cannot select GRUB as the first boot OS

I am trying to dual-boot Win10 and Linux Mint 21. Both have been installed, but my computer boots straight into Windows without ever giving a prompt. If I press F12 during boot, there is only the ...
PentiumPro200's user avatar
0 votes
3 answers
2k views

Stuck on grub rescue "no such device", "unknown filesystem"

i have a laptop with Windows installed on my eMMC chip and Debian 12 on a USB. I'm trying to boot Windows without having to select the Windows bootloader from the grub menu which to access, i need to ...
XIII___'s user avatar
0 votes
0 answers
415 views

How to install Ubuntu on an usb-drive on a computer that has windows 11 installed

I have a windows 11 system from which I want to boot an ubuntu live-stick. From the stick, I want to install ubuntu on another usb-drive. The windows partition and bootloader should stay untouched. I ...
El Hocko's user avatar
  • 181
0 votes
0 answers
492 views

I can't boot Windows after installing Kali linux

I've installed Kali Linux on a seperate partition, but forgot to register a user so I couldn't login. GRUB was installed correctly and I could boot both systems - Kali Linux (just couldn't login) and ...
Mauzi24's user avatar
1 vote
2 answers
2k views

Grub can't add entry for windows on another hard drive (dual boot)

Recently, I've installed Linux (MintOS) on my ssd drive. Also I have Windows 10 on my hdd drive. Windows was installed before linux. The problem is that grub loader don't see windows loader and I can'...
Ruarin's user avatar
  • 11
0 votes
1 answer
553 views

PC not booting up after dual booting Linux alongside windows

I tried to dual boot Linux mint-21 on my windows 10 computer using a live USB. During the installation I chose the "free space" as a ext4 partition and proceeded to install. Linux installed ...
Tesseract99's user avatar
0 votes
1 answer
491 views

What does (any) Windows do to EFI partition during an update (in general)?

If someone has any information about Windows update actions, please share. I'm currently running Pop!_OS 22.04 (and other several temporary distros) and booting to it through rEFInd. So, I heard a lot ...
Andrew15_5's user avatar

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