Windows 8 not booting from grub

Is Secure Boot on. My system calls it "Windows" or "Other", but says if using Windows 7, you have to use "Other". Show 1 more comment. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog.

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Related 4. Hot Network Questions. Question feed. Accept all cookies Customize settings. But useless. Please help me what to do.

Thank you. Note that it only supports booting on MBR disks. Yes, unfortunately i found the case as you said. Is there a way to trick bootmgr that it runs on mbr partition? Grub2 is a powerful boot loader and supports booting most operating systems.

This article will guide you to boot Windows from Grub2 command line. This is the Grub2 screen that stops in rescue mode. Entering rescue mode Unknown command 'search'.

Unknown command 'chainloader'. Now, you should have this boot option. Since I named it Debian, it shows two Debian boot options one of them coming from the efi file I guess. Note: In Acer and perhaps some other systems, adding a new boot option could be tricky. There also a boot option was added but it requires changes from the security tab. What you did here can also be done from Windows command line. Only try it when your settings are not taken into account.

Playing with your boot settings can leave your system messed up. I advise having a recovery disk or Windows installation disk with you to reverse boot settings.

Keeping the Linux live USB can also help in many situations. The command should run just fine given that your account has admin rights. I hope this quick tutorial helped you fix the Grub issue. If you are not able to boot do not panic.

Access the boot settings when your system is booting. In here, go to the boot options and move Windows boot up the order. Save and exit. Now when you boot into Windows.

It seemed like there was no way to access Linux at all. Seemed like Linux partition disappeared but no — the Linux install on the other partition was safe and sound.

It was just the UEFI settings that were different in the boot manager. I hope the suggestions here helped you to get the Grub boot menu back and you can now use it to enjoy both Windows and Linux. Also a movie buff with a soft corner for film noir. After updating to Ubuntu Can it be updated from vmlinuz. Ubuntu Please log in again.

The login page will open in a new tab. After logging in you can close it and return to this page. Make sure that Ubuntu is above Windows in the boot order.