I now can only boot Zorin 17.3, the boot menu choices for Win7 error out. I've tried the simple boot repair from USB with no good result. What do I repair, how do I get to it, and with what tools?
For windows, you may need to follow the guide supplied here:
Welcome to the Forum!
So, you have a Dual-Boot system with Windows 7. and You have installed Zorin beneath it. What Installation Option did You choose:
- Install Zorin alongside Windows
- Erase Disk
- Something else
Is Your BIOS in UEFI or Legacy Mode? Are Secure Boot and Fast Boot in BIOS turned off? Is Fast Start-Up in Windows turned off? What Tool did You use for creating the bootable USB Stick?
And could You install in Zorin GParted? You can install it with the Terminal Command sudo apt install gparted and then start it. Don't wonder, you have to type in Your Password when it starts. that is normal. And then please make a Screenshot of Your Partitions and post it here.
Can you still boot into Windows when you change the boot sequence in your UEFI/BIOS so that Windows is the first?
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The AMD bios is 2012 and is in Legacy Mode. The bios allowa for an EFI boot it does not have UEFI features. I installed Zorin using the "alongside" method. To attempt a correction I ran the "Boot Repair" tool found in the System Tools of the boot stick.
Partition map follows:
It is unusual that you do not have a boot partition at the beginning of the hard disk. This can cause the problem that you can't start Windows because the bootloader is not found.
What Tool did You take to create the bootable USB stick with Zorin on it?
Yes I have created the boot stick.
And what Program did You use? Rufus, Ventoy, etcher?
What error exactly are you getting? Can you post the grub boot menu entry for Windows?
Thanks to the forum I have it solved, mostly. I eliminated EFI and forced the boot from one specific drive in the BIOS. With that cleared, I seem to have another instance of Zorin which I need to eliminate, at least from the boot menu. Can GRUB be edited?
You could try it with open a Terminal and type sudo update-grub and see if it solves it.
You could use Zorin on a USB Stick, start it in the ''Try Zorin'' Mode and use the Program called ''Boot Repair'' and let it run.
Or You could take a Look in /boot/efi/EFI/ what is inside this.
Another Thing: Install GParted with sudo apt install gparted and post a Picture of Your Partitions here.