Installed but Computer goes straight to Windows

[IBuildTowers]

I partitioned my hard drive and Kubuntu is installed on one of the partitions. However when I start my computer it goes straight to Windows 8.

I have disabled Secure boot on the BIOS and enabled Legacy.

Any help would be appreciated.

[oshunluvr]

Where did you install grub?

[IBuildTowers]

I installed GRUB as it was defaulted during the installation of Kubuntu

[oshunluvr]

I assume you know how to force windows into legacy mode and you verified you are actually booting to legacy mode.

You could try booting to a liveUSB and re-installing grub to /dev/sda.

[IBuildTowers]

I am not sure if i am booting to legacy mode and I do not know how to force windows into legacy mode. Sorry.

[oshunluvr]

Press the + R keys to open the Run dialog, type msinfo32, and press Enter.

In the right pane of System Summary in System Information, see if the BIOS Mode value says Legacy or UEFI.

[IBuildTowers]

It says UEFI, how do I change it to legacy?

[ronald]

I'm having the same problem. I changed the boot sequence to try booting in Legacy first, but that didn't change anything, my System Summary still shows it booted with UEFI. If I change my BIOS to Legacy only, my computer won't boot at all, and only this comes up: "Error 1962 No Operating System Found. Press any key to repeat boot sequence."

[ronald]

I just tried to repair/reinstall Grub following the instructions from http://howtoubuntu.org/how-to-repair...ubuntu-live-cd. Nothing changed, my computer still starts up in Windows 8 automatically, with no option to start in Kubuntu.

[SteveRiley]

Please follow this procedure to disable Fast Boot in Windows 8. Can you get into Kubuntu now?

[ronald]

Disabling Fast Boot was one of the first things I tried. It did allow me to access the BIOS/UEFI utility, but nothing changed with getting Kubuntu to load at boot.

I'm fairly frustrated with this project because I've come across conflicting information concerning EFI. First I learned that I should try to change my BIOS to Legacy (which failed to even boot up my system in either Windows or Kubuntu). Then I learned that since Windows is installed in EFI, any other dual boot OS must also be installed in EFI. I tried this too, and only Windows will boot up, and the Grub boot options never appear for choosing Kubuntu. Installing a dual boot OS is challenging enough, without having conflicting information, so does someone know which is correct, and why it's not working on my Windows 8 system?

[SteveRiley]

Disabling UEFI is a bad idea -- it's the future of firmware; avoiding it is like trying to avoid, well, the future. (That said, I always advocate disabling Secure Boot, because what it protects against are scenarios that most home users are unlikely to encounter.)

Please boot from the KDE installation media. Choose "Try Kubuntu." Open a console window. Then run:

sudo efibootmgr -v

Copy/pasta the output in a reply here. This will let us see what your UEFI knows about available operating systems and bootloaders.

You might try to install the utility first; I don't remember if it's part of the default:

sudo apt-get install efibootmgr

[ronald]

efibootmgr output:

kubuntu@kubuntu:~$ sudo efibootmgr -v
BootCurrent: 0003
Timeout: 1 seconds
BootOrder: 0003,0001,0002,0006,0000,0004,0005,0007
Boot0000* Windows Boot Manager  HD(2,1f4800,82000,c552d64e-e2dc-455c-8a0a-4e39c2cfd95e)File(\EFI\Microsoft\Boot\bootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}....................
Boot0001* Optiarc DVD RW AD-7290H       BIOS(3,0,00)AMBO
Boot0002* WDC WD10EZEX-08RKKA0  BIOS(2,0,00)AMBO
Boot0003* ubuntu        HD(2,1f4800,82000,c552d64e-e2dc-455c-8a0a-4e39c2cfd95e)File(\EFI\ubuntu\shimx64.efi)
Boot0004* ubuntu        HD(2,1f4800,82000,c552d64e-e2dc-455c-8a0a-4e39c2cfd95e)File(EFI\Ubuntu\grubx64.efi)
Boot0005* ubuntu        HD(3,276800,fa000,aeb5adcf-5776-43b7-b42c-7a9d803ecf78)File(EFI\Ubuntu\grubx64.efi)
Boot0006* SanDisk Cruzer Glide 1.26     BIOS(2,0,00)AMBO
Boot0007* UEFI: SanDisk Cruzer Glide 1.26       ACPI(a0341d0,0)PCI(1d,0)USB(1,0)USB(1,0)HD(1,20,1dd17e0,00000000)AMBO

[ronald]

I reinstalled Kubuntu from the flashdrive. I haven't restarted for all changes to take effect, but at this moment this is the new efibootmgr output:

kubuntu@kubuntu:~$ sudo efibootmgr -v
BootCurrent: 0003
Timeout: 1 seconds
BootOrder: 0003,0001,0002,0006,0000,0007
Boot0000* Windows Boot Manager  HD(2,1f4800,82000,c552d64e-e2dc-455c-8a0a-4e39c2cfd95e)File(\EFI\Microsoft\Boot\bootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}....................
Boot0001* Optiarc DVD RW AD-7290H       BIOS(3,0,00)AMBO
Boot0002* WDC WD10EZEX-08RKKA0  BIOS(2,0,00)AMBO
Boot0003* ubuntu        HD(2,1f4800,82000,c552d64e-e2dc-455c-8a0a-4e39c2cfd95e)File(\EFI\ubuntu\shimx64.efi)
Boot0006* SanDisk Cruzer Glide 1.26     BIOS(2,0,00)AMBO
Boot0007* UEFI: SanDisk Cruzer Glide 1.26       ACPI(a0341d0,0)PCI(1d,0)USB(1,0)USB(1,0)HD(1,20,1dd17e0,00000000)AMBO

[ronald]

After restart, nothing has changed. My system booted up in Windows 8. The GRUB screen never appeared.