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Why is Windows 10 unable to boot CentOS 7?
I installed CentOS 7 successfully on my windows 10 for dual OS. After installation, I restarted machine and selected the option “Windows Boot Manager (on /dev/sda2)”. I get the message “error: cannot load the image”.
Windows is installed on the sdb disk. I added support for ntfs drives and mounted sdb, before running os-prober, but it wasn’t able to locate anythin but CentOS. I therefore ended up trying to add it manually to grub, but I am a bit stuck. .
Do you need a password to run Grub?
You don’t need to enter a password or anything like that. The command should run just fine given that your account has admin rights. Restart and you’ll be welcomed by the familiar Grub screen. I hope this quick tutorial helped you fix the Grub issue.
How do I run grub as an administrator?
In Windows, go to the menu. Search for Command Prompt, right click on it to run it as administrator. This is strictly for Ubuntu. Other distributions might have some other folder name. You don’t need to enter a password or anything like that. The command should run just fine given that your account has admin rights.
How to install CentOS 7 alongside Windows 10 dual boot?
Installing CentOS 7 Alongside Windows 10 Dual Boot. Upon rebooting, the first screen presents you with a list of choices to choose from. Select the first option “ Install CentOS 7 ” to begin the installation process. Select Install CentOS 7.
How do I install CentOS 7 on my computer?
Ensure to set the correct boot order in the BIOS settings so that the system first boots from the USB drive. Save the changes and allow the system to boot. To successfully install CentOS 7 (or any other Linux OS ), you need to set aside a free partition in one of your drives. Press the Windows button + R to open the Run dialogue box and type.
How do I make a CentOS 7 ISO bootable?
A utility for making the USB bootable or burning the CentOS 7 ISO image on the DVD. In this guide, we will use Rufus tool. With all the requirements in place, it’s time now to create the USB drive bootable by downloading a copy of Rufus utility. Once the download is done, double click on the installer and the Window below will be shown.
How do I install Grub on CentOS 7?
Some distro like Puppy linux will only install Grub after finish the installation. sometimes it install auto magically but sometimes not. You have to go on to menu and click Install bootloader manually and edit grub of your /boot folder. Fortunately your windows is still *INTACT* boot to your new Centos7 and reinstall the bootloader.