![]() Now, the firmware searches somewhere to find the entry point for your OS and that information can be found in Master Boot Record MBR for Legacy Boot or in GUID Partition Table (GPT) for UEFI boot. To get more detailed with this we need to know a bit about the boot process, and how does our PC know to start our OS.Īt the beginning PC doesn’t know anything about its hard drives, and the first thing is to perform something that is called Power On Self-Test or POST. ![]() Basically If you can install an OS on your machine, you can dual boot it with Another OS that can run on your machine. It can be Windows and Linux, Linux and Linux, Windows and Mac in some cases, and so on. When we say dual boot we are saying that on our PC and/or laptop there are two Operating Systems installed. So, what is Dual boot Pop OS? What is good to know before we start. If there is no grub.cfg in /boot/grub, create one usingĪfterwards you can restart your system, remove the Live CD and boot into GRUB.Dual Boot Ubuntu and Windows 10 in 2022 What is Dual Boot? ![]() Grub-install -root-directory=/mnt/ /dev/sda Become root by typingĪfterwards mount your partition and install grub (replace sda1): Replace every following instance of that identifier with the one of your partition's identifier. ![]() My first partition, /dev/sda1, has Linux installed and is the partition I want to have GRUB on - what I need is its identifier, sda1. I/O size (minimum/optimal): 512 bytes / 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes ![]() If you have no idea what the name of your partitions is, use But unfortunately, they only recognize other Windows systems.Īpart from installing EasyBCD and other tools on your Windows partition to set things right, you can also just reinstall the lost GRUB boot manager with the help of a live CD (I used Ubuntu 11.10 for that). Windows operating systems have the habit of installing their own bootloader on every installation - this wouldn't be a problem, if they would recognize all present operating systems. ![]()
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