To check if your Windows 10 disk is MBR or GPT, please refer to difference between MBR and GPT. However, the question arises - should you use MBR or GPT in Windows 10? Therefore, in order to make full use of storage space, most of users will choose to convert MBR to GPT.
However, some operating systems such as Windows XP 32-bit, Windows 2003 32-bit, Windows 2000, Windows NT4 don't support GPT disk.
You can restore the saved Master boot record using this command: Other errors can be shown, depending on many factors, that are caused by a damaged boot record.
Easy Recovery Essentials, our bootable recovery and repair CD/USB, is guaranteed to repair most damages done to the Master boot record (MBR) using its Automated Repair feature for Windows XP, Vista, 7 or 8: command to repair the MBR.
If you want to create many partitions on MBR disk, the number of primary partition should be no more than three and plus one extended partitions, then you can make logical partitions on extended partition.
GPT, short for GUID Partition Table, has not the limitation on the number of partition and the size of disk.
We moved to a new domain for a lot of reasons so here will be our new home.All Windows versions – Windows XP, Vista, 7 or 8 – use MBR and, if damaged you won’t be able to boot.It can be damaged by certain viruses that target the MBR to replace it with their own code or in cases when you dual boot with a Linux distribution (see Error: no such partition. You can backup the MBR since it’s stored on the hard disk and you restore it later, when needed. Important: Restoring your Master boot record with the wrong partition table will make your data unreadable and will make it very hard to recover your data later.But as for GPT, you should know that system installed on GPT disk can only be booted from UEFI (United Extensive Firmware Interface).
Besides, removable media cannot be converted to GPT. For instance, if you have a MBR disk whose size is 3TB, the rest of 1TB will be showed as unallocated space in your Windows 10, but you can't use it.After every release we will update front page so you can always find newest version here so that you can activate win 7 successfully.