Here's my scenario. My laptop originally had a 40GB hard drive (it's a 2005 IBM Thinkpad G41), and that simply was too small so I bought a 160GB drive. I used partimage and backed up my Ubuntu partition to a USB hard drive, installed the new drive, and restored the partition. Then I setup 2 more partitions for Windows installs. Here's how it's laid out.
hd0,0 - Ubuntu 9.04
hd0,1 - Windows 2000 (for WoW only)
hd0,2 - Windows 7 RC
After copying the Ubuntu partition I installed Win2k, then Win7RC. With the MS bootloader I could boot Win2k and Win7RC without problem. I wanted to get my Ubuntu back, and prefer GRUB so I used the GrubHowTo in the Ubuntu docs to re-enable it. After enabling GRUB, Ubuntu boots fine (partimage is FTW) but when I try to boot Win7 it gives me the annoying error below:
I'd like to be able to use Win7 to test on our domain at work, and it actually runs quite well on this old laptop. Please offer some suggestions for how I can fix this!BOOTMGR is missing
Press Ctrl+Alt+Del to restart