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Trying to boot Win7 and getting "Error Loading Operating System"

Last response: in Windows 7
January 24, 2014 11:48:50 PM

I couldn't find anything in the FAQ. I created a bootable USB using the Windows 7 Home Premium iso from the microsoft website, and used the Windows 7 USB/DVD Download Tool. Everything looks fine, and I didn't get an error message from the Download Tool, and the contents of the USB match the ones shown in the tutorial.

I tried plugging it into both USB 2.0 and USB 3.0 ports, and the USB device was detected in both slots, I have USB booting set as priority. While trying to boot from either port, I get the same "Error Loading Operating System" message. Since I had originally tried to boot from 3.0 I thought that perhaps that was the problem since Win7 is rather old, but it doesn't seem to be it.

My mobo is a Gigabyte GA-Z87X-D3H and this is the first operating system I'm installing on my new build. I'd really appreciate any pointers on what I can do to fix this since I've searched and couldn't find anything, and if you need any additional info I can give it to you if it'll help. Thank you.

Best solution

January 25, 2014 12:20:09 AM

I'm unfamiliar with this but started reading up on it. It sounds as if the USB drive didn't install a base operating system to begin the installation process. That's somewhat obvious from the error message, no genius work involved there. :( 

Have you tried burning a Windows 7 DVD and seeing if you can boot and install from that, if you have a DVD player on this unit?

I would re-download the tool and such in that perhaps the files were corrupted, that happens a few times now and then when using download managers.

The motherboard looks like a very nice one. I wouldn't expect that to be the problem but you might want to try testing out the hardware since this is your first build on the new machine. Perhaps download a live Linux Distro and put it on the USB drive and see if it boots. I would try the live distro on a DVD and boot from that first and if that boots and runs without issues than try the USB drive but that's some extra time.