I have two hard drive, C and D, I installed Windows 7 onto C without problem, D was an older drive with XP which has some backup data I wanted to transfer to C before reformatting it... Both working fine without duel boot screen. But lately I installed a driver and it casued problem which I need to repair computer using the Windows 7 DVD....after that I have a duel boot screen with default Windows 7 (recovered) or earlier version of Windows....the screen only last 3 seconds and it will boot 7. I went to Msconfig but there is no "earlier version of Windows" to delete and the time is set to 3 seonds instead of the 30 you mentioned.
How do I delete this dual boot screen? Tia