I currently have Windows 7 Ultimate 64bit installed on my system. Was dual booting Windows Server 2008 on a second hard drive. I just put Server on the other day to play around with to get familiar with it and it has been working fine. I adjusted in 7 to make it the primary OS so Server would not load automatically on reboot and that has been working fine. Last night, I was on Server and did some updates. It said it was installing them and had to reboot. Once it restarted it went past POST and then a black screen with a flashing cursor. It does not get to windows loading, nor allows to access the windows boot options. I loaded my windows 7 disk and ran startup repair which found an issue with the boot file. It repaired and restarted. It went back to the flashing cursor after POST again. Went back to 7 repair from the disk and it said there are no issues at this point. I looked up the bcdeditor that can be accessed from cmd prompt, but I am still learning about it. From what I can understand so far it looks OK. Just to check, I loaded my PE tool and my 7 partition is intact and untouched so in the meantime I am re-backing up my files in case I missed something on my other backup. This give me time to research the issue before resorting to restoring. So, if anyone can give me some tips on how to resolve this it would be great. I really do not want to spend my day reinstalling software and transferring. I just do not understand how a change in Server could effect 7 unless it was something in the boot manager, which seems likely since I am not even getting to a boot menu or Windows loading screen.