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14 Dec 2012  

Windows 7 Ultimate x64 (Service Pack 1)
Can't Boot from orig. drive after attaching/booting from other drive

After I once attached another hard drive, containing another install of windows 7, and (accidentally!) booted from it, I cannot boot from my original drive. Even though I have now disconnected the other drive, every time I try to boot from my original drive, it fails, and I see:

Reboot and Select proper Boot device
or Insert Boot Media in selected Bot device and press a key
How can I get my computer to boot off of my original drive? And why would once booting from another drive screw up my original drive??

Also, if it's of any use / help - my new motherboard is a UEFI-enabled one, an ASUS Z77 Sabertooth...


For some background - I purchased a new motherboard recently, and decided to just install a fresh copy of windows 7 when I did so. I purchased and installed to a new hard drive... everything was working fine - it was booting, starting up, etc. Then, I decided I wanted to grab some files off of my old drive - so I shut the computer down, hooked it up using an enclosure + an esata cable, then restarted... on startup, it recognized my old (now external) drive, and booted off of that. I then restarted my computer, checked the boot options, and set it so it SHOULD boot off my new (internal)... but it still booted off my old (external) drive. Finally, I disconnected my old (external) drive completely... and that brings us to where I began: with my new (internal) drive completely unable to boot.

Also, when I try inserting the windows 7 install disk, and selected "repair", it says there are no compatible versions of windows installed... whee!

Any help would be appreciated...

- Paul
My System SpecsSystem Spec