Windows 7 Loader For Unsupported Partition Table
How to Fix Windows 7 Loader Unsupported Partition Table Error
If you are trying to activate Windows 7 using Windows Loader by Daz, you may encounter an error message that says "Unsupported partition table". This means that Windows Loader cannot recognize the partition scheme of your hard drive and therefore cannot modify the boot sector to activate Windows 7. In this article, we will show you some possible solutions to fix this error and activate Windows 7 successfully.
What Causes Windows 7 Loader Unsupported Partition Table Error?
There are several factors that can cause Windows Loader to fail to recognize the partition table of your hard drive. Some of the common ones are:
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You have a GPT (GUID Partition Table) disk instead of an MBR (Master Boot Record) disk. Windows 7 can only boot from MBR disks in BIOS mode and from GPT disks in UEFI mode. Windows Loader only supports MBR disks in BIOS mode.
You have a dynamic disk instead of a basic disk. A dynamic disk allows you to create volumes that span multiple disks, but it also changes the partition structure of the disk. Windows Loader only supports basic disks.
You have a corrupted or damaged boot sector or partition table. This can happen due to virus infection, power outage, improper shutdown, or disk failure. Windows Loader needs a valid boot sector and partition table to work properly.
How to Fix Windows 7 Loader Unsupported Partition Table Error?
Depending on the cause of the error, you may need to try different methods to fix it. Here are some possible solutions that you can try:
Disable the Software Protection Service. Some users reported that the unsupported partition table Daz error can be solved by disabling the Software Protection Service, which is a Windows service that manages the activation and licensing of Windows and its applications. To disable it, follow these steps:
Press Windows + R to open the Run dialog box.
Type services.msc and click OK.
Find the Software Protection Service in the list and double-click on it.
In the Startup type drop-down menu, select Disabled.
Click Apply and OK.
Restart your computer and try to run Windows Loader again.
Convert your disk from GPT to MBR or vice versa. If you have a GPT disk and you want to boot Windows 7 in BIOS mode, or if you have an MBR disk and you want to boot Windows 7 in UEFI mode, you need to convert your disk from GPT to MBR or vice versa. This will erase all the data on your disk, so make sure you back up your important files before proceeding. To convert your disk, follow these steps:
Press Windows + R to open the Run dialog box.
Type diskpart and click OK.
Type list disk and press Enter. Note down the number of the disk that you want to convert.
Type select disk X, where X is the number of your disk, and press Enter.
Type clean and press Enter. This will delete all the partitions on your disk.
Type one of the following commands depending on whether you want to convert your disk from GPT to MBR or vice versa:
To convert from GPT to MBR, type convert mbr.
To convert from MBR to GPT, type convert gpt.
Type exit and press Enter.
Create new partitions on your disk using Disk Management or a third-party tool.
Install Windows 7 on your disk and try to run Windows Loader again.
Convert your disk from dynamic to basic. If you have a dynamic disk and you want to use Windows Loader, you need to convert your disk from dynamic to basic. This may also erase some or all of the data on your disk, depending on the configuration of your volumes, so make sure you back up your important files before proceeding. To convert your disk, follow these steps:
Press Windows + R to open the Run dialog box.
Type diskmgmt.msc and click OK.
Right-click on each volume on your disk and select Delete Volume. Repeat this until all the volumes on your disk are deleted.
Right-click on the disk and select Convert to Basic Disk.
Create new partitions on your disk using Disk Management or a third-party tool.
Install Windows 7 on your disk and try to run Windows Loader again.
Repair your boot sector or partition table. If you have a corrupted or damaged boot sector or partition table, you need to repair it using a Windows installation disc or a recovery tool. To repair your boot sector or partition table, follow these steps:
Insert a Windows installation disc into your computer and boot from it.
Select your language, time, and keyboard preferences and click Next.
Click Repair your computer.
Select the operating system that you want to repair and click Next.
Click Command Prompt.
Type one of the following commands depending on whether you have an MBR disk or a GPT disk:
To repair an MBR disk, type bootrec /fixmbr and press Enter. Then type bootrec /fixboot and press Enter.
To repair a GPT disk, type bcdboot C:\Windows /s Z: /f UEFI, where C is the drive letter of your Windows partition and Z is the drive letter of your EFI system partition, and press Enter.
Type exit and press Enter.
Restart your computer and try to run Windows Loader again.
Conclusion
In this article, we have explained what causes Windows 7 Loader unsupported partition table error and how to fix it using four possible solutions. We hope that one of these methods works for you and that you can activate Windows 7 successfully. If you have any questions or suggestions, feel free to leave a comment below.
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