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Windows 10/11 Ubuntu Dual Boot Not Working [Quick Solutions]
Give a try to these quick solutions now
5 min. read
Updated onMarch 4, 2024
updated onMarch 4, 2024
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Depending on their requirements and needs, many people use a dual boot setup on their PCs. Some use Ubuntu and Windows 10 because both have pros and cons.
Ubuntu, like many othernon-Windowsoperating systems, does support dual booting.Windows 10, on the other hand, usually ships with settings that are not optimal for dual boot setups.
GRUB (the acronym for GRand Unified Bootloader) is the bootloader that Ubuntu uses to manage theoperating systemsinstalled on your computer.
The software looks at theoperating systemsinstalled on your PC and allows you to choose which one to start after switching on the machine.
Most of the problems are related to GRUB, so if you cannot boot into Grub and the system boots directly to Windows repeatedly, you will find some solutions below.
You can use this guide to fix the followingWindows 10-Ubuntu issues:
What can I do if there is no GRUB on Windows 10 Ubuntu dual boot?
1. Repair from Windows – Command Prompt
The simplest way to solve this issue is using the Command Prompt from Windows. In order to do this, please use the steps described below:
If you’rehaving trouble accessing Command Prompt as an admin, then you better take a closer look at this guide.
2. Disable Fast Boot
You can also try deactivating fast boot function ofWindows 10to access the GRUB menu. To do so, please follow the steps below:
Youcan’t open Control Panel? Take a look at this step-by-step guide to find a solution.
3. Use the Boot Repair Tool
The Boot Repair Tool is a small software that can solve most of the boot-related problems. In order to install it and use it:
4. Windows and Ubuntu are installed in different modes
It is impossible to dual boot two operating systems if installed in different modes – one in UEFI mode and the other in BIOS Legacy mode.
Therefore, to solve the problem and restore the dual boot, you have to convert the installation of Ubuntu to the same mode in whichWindows is installed.
In order to solve this, you can use the Boot Repair Utility and you will need a live bootable DVD of your installedoperating system. Afterwards, you can follow one of the steps below, depending on your situation.
Afterwards, enter into the UEFI firmware configuration panel and choose whether to start the computer in UEFI or Legacy mode.
Most users don’t knowhow to enable Legacy Boot on Windows. Check out this guide and be a step ahead. If you’re havingUEFI boot problems on Windows, this article should help you solve them quickly.
We hope one of the solutions described above helped you solve the dual booting problems, and now you are welcomed by the familiar Grub screen.
Now with Windows 11 Insider Preview Build 26052, you can useSudo command in Windows 11, check out this guide to learn how to do that.
This issue can be associated withGrub rescue message on Windows 10, so don’t miss it.
If you have any more questions, feel free to post them in the comments section below.
More about the topics:dual boot,windows 10
Milan Stanojevic
Windows Toubleshooting Expert
Milan has been enthusiastic about technology ever since his childhood days, and this led him to take interest in all PC-related technologies. He’s a PC enthusiast and he spends most of his time learning about computers and technology.
Before joining WindowsReport, he worked as a front-end web developer. Now, he’s one of the Troubleshooting experts in our worldwide team, specializing in Windows errors & software issues.
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Milan Stanojevic
Windows Toubleshooting Expert
Before joining WindowsReport, he worked as a front-end web developer. Now, he’s specialized in Windows errors & software issues.
