Not readily. You have to fix the MBR by creating a boot drive on USB (or floppy, if you have such a thing), and running commands from said drive to fix the bad drive's MBR.
Edit: Other options include a rescue disk via CD/DVD, or installing stuff on a second hard drive as a boot drive (bypassing the USB option).
This seems to provide some light at the end of the tunnel.
Can a rescue disk that automatically checks and then repairs the boot and that recovers the operating system without damaging files be purchased ?
If there is a disk; does it need to be Windows 10 specific or is it a case of finding a way to get the the Command prompt Screen and then using commands to recover the operating system ?
I already have a Windows 10 Recover USB to hand, it will not boot up without the Rescue USB and the rescue options appear to be limited because it cannot find a Windows operating system. - Using the command screen I have tried the commands;
bootrec /fixmbr = That Operation seemed successful.
bootrec /fixboot = That operation seemed successful.
bootrec /scanos = IT DID NOT FIND THE OPERATING SYSTEM
bootrec /rebuildbdc = That operation seemed successful.
I did the above a few times which may have made it worse
Since
bootrec /scanos did not find the operating system I was tempted to try the following commands but I have not yet done so;
bcdedit /export c:\bcdbackup - (which as I understand it should backup the bcd store).
attrib c:\boot\bcd -h -r -s - (To remove the hidden, read-only/system/attributes from the BCD.).
ren c:\boot\bcd bcd.old - (To rename the BCD store)
bootrec /rebuildbcd - (In the hope that it will make the operating system visible).
Are there better commands ?
Can I replace partition 1 of the disk with something else or would that make it even worse ?
Zen FTTP