I installed my mobo (Sabertooth 990fx r2.0) and cpu (AMD FX 8350 BE) into my new case, plugged everything from my old case into this mobo. When I start my PC my mobo's Boot Device LED is solidly lit up red and if I don't go into the BIOS (BIOS works perfectly), I get an error saying windows can't start and asking to repair pc or boot normally. Now, if I try boot normally a Blue screen flashes quickly and the PC restarts. I think the problem is Windows 7 on the old HDD, but I'm a noob so I'd like help determining that. Could I plug my HDD back into my old case, start it up, then delete old hardware driver files and then plug the HDD into the new MOBO and it would start up fine? Or, do I have to reinstall Windows 7? Also, my old case/hdd/mobo/cpu came prebuilt (got it before I even started thinking about building/upgrading a pc)
P.S. Only boot device light is red and power light is green, all others are off. In BIOS, all of my hardware is detected so that means it isn't a compatibility issue, right? Oh, and I think I have a separate windows partition on my HDD, but I'm not sure. When I try to start normally wondows asks to do a repair then asks to do a system recovery. Dunno if that is useful info, but there it is.
P.S. Only boot device light is red and power light is green, all others are off. In BIOS, all of my hardware is detected so that means it isn't a compatibility issue, right? Oh, and I think I have a separate windows partition on my HDD, but I'm not sure. When I try to start normally wondows asks to do a repair then asks to do a system recovery. Dunno if that is useful info, but there it is.