To rebuild a GPT partition, one can use the Bootrec tool on Windows 7 or earlier, DiskPart on Windows 8, or DiskPart on Windows 8.1/10/11.
Additionally, one can use Startup Repair, Command Prompt, Change BIOS Settings, Add Disk Driver, Change SATA Mode, and Diskpart command prompt to repair UEFI boot errors in Windows 11/10/8/7.
It is important to note that reinstalling the OS and losing data on a drive that has not been backed up should be avoided.
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This article provides information about how to resolve an issue with the EFI Bootloader not booting correctly on a GPT Hard Disk Drive for a number of Windows Operating Systems. It explains how to repair the EFI bootloader, how to verify that the EFI partition is using the FAT32 file system, how to repair the boot record, and how to rebuild the BCD store. It also provides tips on how to avoid reinstalling the OS and how to avoid losing data on a drive that has not been backed up.
How to repair the EFI bootloader on a GPT HDD for Windows 7, 8, 8.1 and 10 – NovaStor Support
This article provides three methods to repair EFI/UEFI bootloader problems on GPT HDDs in Windows 11/10/8.1/8/7. The first method is Bootrec, which is only run on Windows 7 OS or previous version, and the second is DiskPart, which is familiar with Windows 8. The third method is DiskPart, which is used to fix UEFI/EFI bootloader in Windows 8/8.1/10/11.
How to Repair EFI Bootloader on a GPT HDD for Windows 11/10/8/7?
This article provides effective methods and detailed guides for Windows 10 boot repair, which can help users fix UEFI boot issues on Windows 10/8/7. It explains how to use Startup Repair, Command Prompt, Change BIOS Settings, Add Disk Driver, Change SATA Mode, and Diskpart command prompt. Additionally, it provides step-by-step troubleshooting solutions to help users fix UEFI boot errors in Windows 11/10/8/7.
Windows 10 Boot Repair: How to Fix UEFI Boot in Windows 11/10/8/7 - EaseUS