Hi , today I decided to install Linux Mint on my custom-built desktop alongside Windows 7. A few months ago, it had Windows installed with GUID Partition Table, since it has UEFI and I thought it would be cool to try. I reinstalled Windows for other reasons a month ago, but on MBR instead. When I tried to install Linux, it didn't see my Windows partitions. There was leftover GPT data left behind, so I used a program called FixParts in Windows to erase that. It worked after using this utility, and I installed Mint. However, I stupidly erased over the Windows bootloader. When I selected Windows in GRUB, it didn't boot. So, I got the Windows 7 DVD and did Startup Repair. After about 10 minutes of doing whatever it was doing (or nothing, more likely), it said the problem couldn't be solved. So then I went to the command prompt on the DVD and followed the steps from SevenForums to restore the MBR. This seems to have made it even worse, as GRUB doesn't even come up anymore and I just get the flashing BIOS cursor. Perhaps I should have put this under Windows, but they might not know about GRUB.
If you've replaced the MBR then GRUB doesn't matter. It's not there anymore. Have you tried a Repair Install after restoring the MBR? I think you'd be better off posting this in the Windows 7 forum.
Thanks for the quick reply. I tried the MBR and the last option, forgot what it's called. I guess I know what I'll be doing next weekend. Unless I get another HD, I'll be running Linux in a VM from now on.