I have a problem with windows 7 I get the error cannot convert my two partitions mbr to gpt that why I cannot enter windows.I think I have found a solution here https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-8.1-and-8/dn336946(v=win.10).can I enter command prompt as described in the area manually wipe a drive and convert it to GPT: by pressing shift f10?