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Missing Operating System

Last response: in Windows 7
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December 24, 2012 11:14:06 PM

I am building a computer for the first time ever. I turn on the computer, the BIOS screen flashes and then a black screen appears displaying the text "Missing operating system." I am booting my Windows 7 from a flash drive, if this helps.
a b $ Windows 7
December 24, 2012 11:18:18 PM

Hi :) 

Then go into Bios and tell it to BOOT from USB...FIRST !

All the best Brett :) 
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December 24, 2012 11:20:38 PM

I have a ASRock Z75 Pro3 Motherboard if that helps. I cant find the option.
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a b $ Windows 7
December 24, 2012 11:22:22 PM

Pilot996 said:
I have a ASRock Z75 Pro3 Motherboard if that helps. I cant find the option.



Hi :) 

Look for BOOT OPTIONS or BOOT ORDER... they are in there....

All the best Brett :) 
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December 24, 2012 11:48:30 PM

I found a guide, how do I know if my mobo is UEFI or BIOS?
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!