Linked Questions

2
votes
1answer
4k views

“/usr/sbin/grub-probe: error: failed to get canonical path of `'.”" when using grub customizer [duplicate]

I updated to Ubuntu 14.04.1 and now I can't get into Grub Customizer. I am getting the following errors: chroot '/media/grub-customizer_recovery_root_mountpoint' grub-mkconfig couldn't be executed ...
0
votes
0answers
3k views

Cannot run sudo update-grub “failed to get canonical path of /cow” [duplicate]

Since I have installed Ubuntu on my USB I cannot find Windows in GRUB or in BIOS any more. I tried to command in terminal sudo update-grub but it fails. This error comes: /usr/sbin/grub-probe: ...
4
votes
0answers
2k views

update-grub fails /usr/sbin/grub-probe: error: failed to get canonical path of '/cow' [duplicate]

The HD of my computer (/dev/sda) has 3 partitions (/dev/sda1, /dev/sda2, /dev/sda3), each containing a copy of Windows Vista Ultimate (restored from a Clonezilla partition image). Using an Ubuntu ...
1
vote
0answers
348 views

Question about mounting, 'input not supported' error and grub-probe error: failed to get canonical path of '/cow' [duplicate]

I am trying to install Kubuntu 15.04 from a liveUSB on a hard drive without a prior OS. The machine has a GeForce GTX 980 GPU. The primary problem is that when I boot from the USB and begin the ...
0
votes
0answers
171 views

Fixing grub2 and looking for the canonical path of `/cow' [duplicate]

I'm trying to fix my grub but I can't manage to do it alone apparently... I'm using a dual boot ubuntu 14.04 and windows7. I needed to shrink the partition size of the windows and used easyus for ...
1
vote
0answers
142 views

usr/sbin/grub-probe error:failed to get canonical path of '/cow after ubuntu 16.04 update [duplicate]

After I update the ubuntu version from 14.04 to 16.04 system not booting. screen sowing grub> Then I tried to update the grub as follows, 1/ boot the system using USB boot. 2. open the terminal ...
1
vote
0answers
119 views

Ubuntu is not found in boot menu [duplicate]

I installed Ubuntu in my PC, but still I can run it with my USB (Try Ubuntu without installing) and I am unable to run Ubuntu without my USB drive inserted. And I find Windows instead of Ubuntu as one ...
331
votes
11answers
647k views

How can I repair grub? (How to get Ubuntu back after installing Windows?)

I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu. How can I get Ubuntu back?
31
votes
2answers
198k views

Cannot update grub with parameters on live USB

I have booted from a live USB ("Try Ubuntu"), that also has a persistent option set (I used LiLi to create one) to do some tests for this pcie hotplug issue I'm having. I'm trying to test some boot ...
10
votes
3answers
35k views

frequency out of range - please change display mode

I just downloaded the latest version of the Ubuntu live CD, and have installed it on a desktop computer (a Fujitsu Scaleo P). Once installed it seems to work perfectly, although there are some updates ...
7
votes
5answers
37k views

Gave up waiting for root device on Ubuntu

I've just installed Ubuntu 12.10 to dual boot with Windows 8, but every time I choose Ubuntu from grub menu, it always get stuck at this error and won't boot: Gave up waiting for root device. Common ...
3
votes
3answers
16k views

cannot mount /dev/loop1 on /cow

I am trying to install ubuntu 12.10 64bit using a liveUsb and I got this message : cannot mount /dev/loop1 on /cow which shows up after clicking on "try Ubuntu before installing" or install Ubuntu". ...
0
votes
1answer
5k views

Ubuntu installation does not detect Windows 10

Trying to install Ubuntu 14.04 to laptop that contains Windows 10 OS. Installation does not detect Windows 10. Disc is not dynamic and hibernate is disabled by executing powercfg.exe /hibernate off. ...
2
votes
2answers
3k views

Ubuntu 15.04 doesn't boot on Dell XPS 13 2015

I wanted to upgrade from Ubuntu 14.04 LTS to the new Ubuntu 15.04 on my Dell XPS 14 2015 Developer Edition, because most issues seemed to be fixed in the live version. Therefore I wiped the hole disk ...
0
votes
0answers
2k views

failed to get canonical path of `/boot'

Before this case, the console returned: /usr/sbin/grub-probe: error: failed to get canonical path of '/cow'. then i solved this by following the steps on this page: Failed to get canonical path of /...

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