Convert disk partitioning from GPT to MBR, for this you need to do the following:

Convert disk partitioning from GPT to MBR, for this you need to do the following:

1. Boot from the installation flash drive or disk with Windows 7

2. Press Shift + F10, if the command line does not start, try the Shift + Fn + F10 combination.

3. Type commands, one per line and press Enter after each

4. diskpart (the utility for disk partitioning will start)

5. list disk (the command will show the list of disks)

6. select disk 0 (select the disk with which we will work, if several disks carefully select the desired one and enter the required number instead of 0)

7. clean (remove all partitions)

8. convert mbr (convert our disk to MBR format, which understands Windows 7 and older systems)

9. exit