How to Fix: Can't restore laptop windows after Ubuntu (GRUB error)
GRUB error fix for restoring Windows after Ubuntu installation.
📋 Table of Contents
The 'GRUB loading, Error 17' error occurs when an attempt is made to restore Windows from a USB drive or CD after installing Ubuntu on a laptop. This issue affects users who have attempted to dual-boot their laptops with both Ubuntu and Windows but are unable to successfully restore Windows due to the GRUB error.
Restoring Windows from a CD can be frustrating, especially when it doesn't work as expected. In this guide, we will walk you through the steps to troubleshoot and fix the 'GRUB loading, Error 17' issue.
🔍 Why This Happens
- The GRUB error occurs due to a mismatch between the boot loader configuration on the Ubuntu installation and the Windows installation. When Ubuntu is installed, it configures the GRUB boot loader to point to the Windows partition. However, if the Windows partition is not properly configured or is missing, the GRUB boot loader may not be able to find the Windows installation, resulting in an 'Error 17' error.
- Another possible cause of the GRUB error is a corrupted GRUB configuration file. If the GRUB configuration file is damaged or incomplete, it can prevent the GRUB boot loader from loading correctly, leading to the 'GRUB loading, Error 17' error.
✅ Best Solutions to Fix It
Boot into Recovery Mode and repair the GRUB configuration
- Step 1: Restart the laptop and immediately start pressing the F2 key repeatedly until the BIOS settings screen appears.
- Step 2: In the BIOS settings screen, navigate to the boot order tab and set the USB drive or CD containing Windows as the first boot device. Save the changes and exit the BIOS settings screen.
- Step 3: Once in the Ubuntu installation environment, open a terminal window by pressing Ctrl+Alt+T. Type the following command to repair the GRUB configuration: `sudo grub-install /dev/sda` (replace `/dev/sda` with the actual device name of your Windows partition). Press Enter to execute the command.
- Step 4: Next, type the following command to update the GRUB menu: `sudo update-grub`. This will regenerate the GRUB menu and point it to the correct Windows installation.
Use a Live USB drive to repair the GRUB configuration
- Step 1: Create a Live USB drive containing Windows using a tool like Rufus or UNetbootin.
- Step 2: Restart the laptop and enter the BIOS settings screen as described in Step 1 of Method 1. Set the Live USB drive as the first boot device and save the changes.
- Step 3: Once in the Ubuntu installation environment, open a terminal window by pressing Ctrl+Alt+T. Type the following command to repair the GRUB configuration: `sudo grub-install /dev/sda` (replace `/dev/sda` with the actual device name of your Windows partition). Press Enter to execute the command.
- Step 4: Next, type the following command to update the GRUB menu: `sudo update-grub`. This will regenerate the GRUB menu and point it to the correct Windows installation.
🎯 Final Words
If you have followed these steps and are still unable to resolve the 'GRUB loading, Error 17' error, it may be necessary to perform a clean installation of Windows or seek further assistance from a qualified IT professional.
❓ Frequently Asked Questions
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