I had Win8 installed on my computer and needed to install Ubuntu, so I took a distro and created a live usb pen and installed it. Everything went fine, well not at first because my computer comes with secure boot, but in the end it was done 0 errors.  I have grub working now with ubuntu and windows 8 options. I ran boot-repair to fix my problem and it just added another windows 8 option to boot (one on sda3 another on sda4). So the probem is: in either windows 8 grub options, it starts to load normally, then when it should appear the login screen, a blue screen comes up and says a problem occurred and it reboots.  I hope you can help, thank you for your time!  Ps.: I had the exact same problem when I was trying to install Ubuntu and I solved it by deleting the partitions where I was supposed to install Ubuntu. Now I don't want to do it because Ubuntu is now successfully installed in those partitions (ext4 + swap)
1236
I installed Windows on my computer, followed by an installation of Ubuntu. However, now I'm unable to boot into my Windows install.  What can I do to fix this?
110295
Hello after a successfull installation of Ubuntu 12.10 amd64, I am now unable to boot Windows 8.  Here are my actions:   Made room (15 GB) for Ubuntu from Windows 8 Computer Managment Boot Ubuntu 12.10 amd64 LiveUSB with EFI and with Secure Boot enabled Created 2 new partitions at the end (13 GB Ext4 Root amd 2 GB Swap) Selected Windows 8 EFI System Partition to install bootloader   Grub gives me at boot:   Ubuntu (works without problems) Windows Recovery Environment (lots of errors) Windows 8 (2 error messages describe just below)   The 2 error messages  are:   error: can't find command drivemap. error: invalid EFI file path
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I'm having a lot of issues dual booting Windows 10 and Ubuntu 14.04. I'd like to not do anything too crazy if possible.  I need to install Windows 10, when I already have Ubuntu 14.04 installed. My Laptop is a Dell.  OK, here's what I need help with:   Downloading everything I need Making my live USB's Split partitions Installing Windows 10 Repairing Grub Fixing the UEFI to boot Grub
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On my old laptop (legacy BIOS, MBR disk), this was perfectly possible to get working:  I turn on the computer and see the Windows Boot Manager  I use EasyBCD (or BootPart, or something else) to add an option to the BCD menu which allows me to boot into GRUB, and then into Ubuntu   I can't figure how to do this on my new laptop (UEFI, GPT disk), whether in UEFI or legacy mode. Currently I've installed (and even booted!) Ubuntu on my laptop, but only with the help of an external GRUB (on a USB flash drive). How can I add GRUB as an option in the Windows Boot Manager on a UEFI laptop? (No, I don't want to change my primary boot loader. So no, I don't want to overwrite the Windows boot loader with GRUB.)
119127
My computer shipped with Windows 8 and later I upgraded to Windows 8.1 Right now I'm trying to get Windows 8.1 to dual boot with Ubuntu 12.04, but the Grub menu doesn't show up at all. My computer just boots straight to Windows. I searched for this online and the only answer I get is  to edit /etc/default/grub, but I don't even know what this is and where to find this. I also can't use a bootable CD, only a USB. I really need step-by-step answers that aren't confusing like all the other ones I've found so far.  EDIT: I just rebooted and now the Grub menu does show up but when I try to boot into Ubuntu, it says a file is missing. Windows boots normally though. I have disabled secure boot and fast startup.      Windows failed to start. A recent hardware change or software change might be the cause.     To fix the problem:     1. Insert your Windows installation disc and restart your computer.     2. Choose your language settings, and then click "Next."     3. Click "Repair your computer"     If you do not have this disc, contact your computer administrator or computer manufacturer for assistance.     File: \NST\AutoNeoGrub0.mbr     Status: 0xc000007b     Info: The application or operating system couldn't be loaded because a required file is missing or contains errors.   I'm not sure if that file was corrupted while installing Ubuntu or it's missing.
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I have a computer which is currently running Ubuntu 14.04. I would like to dual boot with Windows 8. I can not find any instructions for installing Windows after Ubuntu is already installed. I am only finding instructions for doing the opposite, Installing Ubuntu after Windows 8.
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My computer is a Sony Vaio Notebook. I used Ubuntu and Win 8 with dualboot but windows somehow managed to remove the menu to choose the OS at startup. I think the BIOS is UEFI. Secure boot was disabled already and Boot Repair somehow fails.  How can I fix this?
121696
I had Windows 7 and Ubuntu installed on the same partition   Some time later, decided to uninstall Ubuntu.So I booted Ubuntu,Changed the hd related to it to NTFS,I did NOT extended my main drive   restarted-> GRUB rescue&gt;. No surprise since I had just wiped out the whole GRUB directory staff   Now I just want to boot into my windows.Move my necessary files to an external memory and reinstall the windows seven     What I have in my hands: Ubuntu live CD, A copy of win7 DVD I tried to make use of the win7 DVD(I had lost my DVD) to fix the mbr but the problem is when I choose repair, It says that this version of Windows is incompatible with yours What should I do?
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I've heard a lot about how Microsoft is implementing UEFI Secure Boot in Windows 8. Apparently it prevents "unauthorized" bootloaders from running on the computer, to prevent malware. There's a campaign by the Free Software Foundation against secure boot, and a lot of people have been saying online that it's a "power grab" by Microsoft to "eliminate free operating systems".  If I get a computer that has Windows 8 and Secure Boot preinstalled, will I still be able to install Linux (or some other OS) later? Or does a computer with Secure Boot only ever work with Windows?
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I booted from the Ubuntu ISO which I burned on a disk and installed Ubuntu, and chose the option to replace windows 7 with Ubuntu, now the version of windows 7 I was running was an illegal cracked version and I already had tried to get rid of it without booting into the actual OS and after many attempts was unsuccessful. Now did installing Ubuntu and choosing the option of replacing windows 7 actually solve my problem and did it wipe the previous windows OS EVERY LITTLE PART OF IT.
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I installed Windows 8 and after that I installed Ubuntu. This are my partition now:   70Gb --> Windows 8 50Gb --> Ubuntu 12.10 100Mb --> UEFI 300Mb --> Recovery   I installed the GRUB on /dev/sda. Then, after GRUB not showing up and booting directly into Windows 8, I turned the laptop off and booted again into Ubuntu LiveCD and ran the Boot-repair utility, it give me  but it didn't solved the problem.  My Laptop still boots directly into Windows 8, without GRUB or Ubuntu even showing up.
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I have been reading about the issue of Samsung laptops bricking when attempted booting from live USB. I have Samsung Series 7 NP700Z5C (-S02UB to be specific) laptop. It came with Windows 8 preloaded. Some posts claim that they disabled secure boot and installed Ubuntu in EFI mode.  On the otherhand comments on this  report state the issue to be with UEFI implementation and not with Secure Boot.  I really want to dual Ubuntu with Windows 8. Can someone help with UEFI mode installation process ?
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I have an X-series Asus laptop which I just bough about a month ago. I want to dualboot Ubuntu - Windows.  I can easily access LiveUSB with both UEFI enabled and disabled. I heard that there were problems with UEFI, so I disabled it. After I've installed the system I couldn't access it. It just boots to Windows straight.  Another unusual thing, that never happened to me before was that the partition editor wanted me to create a BIOS reserved area, which I did, but not at the beginning of the table.  Any ideas how to access the Ubuntu partition?  As far as I can guess both Windows and Ubuntu have to be both of the same type of boot, either Legacy or EFI. This is not the case of what I have now. So, if I reinstall Ubuntu in UEFI mode that correlates with my Windows type, will I then be able to boot into it?  I have a constraint, my laptop doesn't have a CD ROM, so I cannot reinstall WIndows, nor can I move around the Windows recovery partition.  This is the boot-repair report :    SOLUTION  I've enabled UEFI in BIOS, and reinstalled Ubuntu with UEFI enabled. It works fine now, although if I select Windows from the GRUB menu, it doesn't work. But I can live with that, since I can just select Windows boot from the BIOS instead.
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I want to remove win 8 and install Ubuntu 16.04 64bit on a Samsung laptop with UEFI. I'm not interested in a dual boot setup.   With the intention of changing the boot order so that I can boot from a USB drive,  I swiped the top right screen corner (charm bar) in the win 8 start page,  going to  Settings>Power (shift clicking on Restart) >Troubleshoot>Advanced Options. However, there are no UEFI settings options on this page.   I would be most appreciative if anyone can offer any suggestions as to where to go from here.
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I decided to upgrade my windows 8 to windows 10. During the installation process, the computer rebooted and I got into the grub console, without having my usual menu.  I was able to proceed to the installation and use windows by choosing which hdd to boot on on my bios, but after the installation I can't boot into ubuntu again. Same issue with a grub shell.  On the grub shell, I tried to use ls (hdx,y)/ to display the information about the filesystems. Only one or two were readable, while the other always responded as unknown filesystem.  I booted on a boot-repair live disc, and was able to use the boot-repair tool, but it didn't fix anything and I still have the same issue.  Here is the boot info :   What should I do to repair my grub install and be able to boot on linux?  EDIT: using fsck I got the following result :  lubuntu@lubuntu:~$ sudo e2fsck -C0 -p -f -v /dev/sdb6 e2fsck: Bad magic number in super-block while trying to open /dev/sdb6 /dev/sdb6:  The superblock could not be read or does not describe a valid ext2/ext3/ext4 filesystem.  If the device is valid and it really contains an ext2/ext3/ext4 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and you might try running e2fsck with an alternate superblock:     e2fsck -b 8193 &lt;device&gt;  or     e2fsck -b 32768 &lt;device&gt;  lubuntu@lubuntu:~$    I believe /dev/sdb6 was the partition where my system was installed while /dev/sdb2 was where I had my /boot.  I'm unable to mount /dev/sdb6 on a linux livecd.
82491
The SSD is set to ACHI (whatever it is, it was automatically set). Secure boot is set to Other OS (only other choice).  Linux only. No Windows. Hate Windows. No dual boot. Microsoft hasn't touched my computer in years. Windows can suck it.  I formatted both SSD and HDD drives to GPT. - Corsair 30GB SSD (putting / and swap on here) - Old, ~300GB HDD. No problems with the drive have been found. (putting /home here)   The live Mint USB isn't corrupt. I did the checksum before installing, and have done multiple checks on the USB before booting.  Installing Mint in UEFI mode is resulting in "grub-efi-amd64-signed failed to install into /target/". Any forum I found on this error has not had a solution compatible with my problem. That package doesn't appear to exist. The installer will fail upon this message occurring. I have an internet connection. It's hardwired... (insert Metallica reference here). I can cruise the interwebs during the live boot.  Installing Mint in legacy, not UEFI, is resulting in no OS being found.  Specs: - 18.1 Cinnamon (3.2.6) 64-bit - AMD FX-8350 8 core x4 - 8GB RAM - AMD/ATI Turks XT, Radeon HD 6670/7670    I am not sure what the hell is going on anymore.
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So, the last time I used my Ubuntu installation was last night. Today, as I booted it up, it told me that booting grubx64.efi is not allowed. Easy enough. I know how to re-enable it from my BIOS.  After re-enabling it, I try booting again and get the following error:     error: Secure Boot forbids loading module from (hd0, gpt7)/boot/grub/normal.mod   And then there's this some kind of 'grub resuce' CL prompt below that error. Never figured it out except that ls is a valid command. Using ls displays various (hdx , *) files/directories/drives.  Note that, as I never got to load Windows 8 from GRUB despite various tutorials, I use rEFInd to switch between loading GRUB (which, in turn, I use to load Ubuntu) and Windows 8.  How do I re-enable GRUB (and get to Ubuntu) and does anyone know what just caused this problem? I remember installing Ubuntu updates last night but I can't remember if there was anything that might relate to something UEFI-specific.