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help, I just installed linux but when I reboot, windows 10 starts instead of grub. I try to selected a diffrent boot by pressing esc, but I could only chooice windows boot system, of my cd/dvd player.

secure boot is disabled (the answer of Windows boots instead of asking which OS to boot)

I am prety new to linux, So I hope somebody can help me with this? It was already hard to install linux at the first place.

Thanks a lot!

Community
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SaschaDeWaal
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    Read the TROUBLESHOOTING YOUR COMPUTER BOOTS DIRECTLY TO WINDOWS

    This is a common problem and if you do not get a GRUB menu , re-installing or repairing grub will NOT HELP " section

     – Panther Jan 22 '16 at 21:27

2 Answers2

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Either you installed grub somewhere where your escape menu can't find it, or grub wasn't properly installed. Explore a bit in you BIOS boot settings, or try reinstalling linux and looking for grub options. Grub should be installed on your windows drive.

user227869
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  • I saw that grub is installed in /boot/grub. I don' t know if this is the right location. Also, I can' t reinstall without removing all os (and I want to keep windows) – SaschaDeWaal Jan 22 '16 at 20:47
  • See http://askubuntu.com/questions/221835/installing-ubuntu-on-a-pre-installed-windows-with-uefi T"ROUBLESHOOTING YOUR COMPUTER BOOTS DIRECTLY TO WINDOWS

    This is a common problem and if you do not get a GRUB menu , re-installing or repairing grub will NOT HELP"

     – Panther Jan 22 '16 at 21:27
  • reinstalling grub will not help as this is not a grub problem, it is a bios issue – Panther Jan 22 '16 at 21:28
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Sounds like grub is missing. Do something like this: http://howtoubuntu.org/how-to-repair-restore-reinstall-grub-2-with-a-ubuntu-live-cd

Or reinstall, and make sure you install grub on /dev/sda (assuming your drive is called sda, just DON'T install it on /dev/sda1 or something. Look at the picture here: https://help.ubuntu.com/community/Grub2/Installing

Joakim Koed
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  • Well, I see a folder nammed grub in /boot. and I can' t do a reinstall without removing windows (at least I think, there isn' t a option to reinstall. I can chooice to install next to all the systems, or remove everything). – SaschaDeWaal Jan 22 '16 at 20:49
  • See http://askubuntu.com/questions/221835/installing-ubuntu-on-a-pre-installed-windows-with-uefi T"ROUBLESHOOTING YOUR COMPUTER BOOTS DIRECTLY TO WINDOWS

    This is a common problem and if you do not get a GRUB menu , re-installing or repairing grub will NOT HELP"

     – Panther Jan 22 '16 at 21:27
  • reinstalling grub will not help as this is not a grub problem, it is a bios issue – Panther Jan 22 '16 at 21:28