If you have Windows 10 bootable media, you can repair the Windows bootloader via the Diskpart command. Once you backed up the system disk, you can perform the following Windows 10 bootloader repair without any concern. Step 6. Click Finish in the next window and click on Apply to execute the pending operation. Tip: If you want to copy the disk to a GPT disk, you can select the Use GUID Partition Table for the target disk option. After that, you will be prompted to confirm this operation. Step 4. Select your connected external hard drive from the list and click on Next to go on.

Step 3. Select the system hard disk that you want to back up and click on Next. Open the main interface of this program, and then click on the Copy Disk Wizard feature at the left pane and click on Next in the pop-up window. Prepare an external hard drive that’s larger than your hard disk and connect it to your computer. Here’s how to back up a hard disk using MiniTool Partition Wizard. With this program, you can convert MBR to GPT, move/resize partition, recover lost data, migrate OS, etc. It is a multifunctional partition manager trusted by millions of users around the world. How to back up a whole hard disk effectively? MiniTool Partition Wizard is a good choice. The safest way is to make a full backup of your hard disk before you work on the operating system. This indicates you would lose any data on the hard drive if you haven’t backed up.

So, it has the possibility that the repairing progress might go wrong. Before You DoĪs you know, any bootloader repair is done to the root of a hard drive. Then you can start repairing the UEFI bootloader. To avoid any unexpected data loss, it is highly recommended you perform a full backup of your system drive. How to repair Windows 10 bootloader? Here are 4 applicable methods. In addition, the bad sectors on the system partition and missing system files are responsible for the Windows 10 bootloader issues. This is because MBR is a very important part of your hard disk that holds information about the system partition and acts as a bootloader for the operating system. If your Windows 10 PC is running into a boot issue, it is possible that the master boot sector on your system partition gets damaged or corrupted. Read More What Causes the Windows Bootloader Issues

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