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[Solved] Operating System Missing or Not Found Windows 7

May. 27, 2015 4:35 pm / Posted by Shawn Hamilton to Computer Help
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missing operating system at boot

My son's PC displays message when booted up "Missing Operating System". It is an older laptop running Windows 7. Any suggestions? It was working fine the day before.

Getting "Operating System Not Found" o r "Missing operating system" error message when you start your PC? Windows 7 upgrade gives error "missing operating system"? Now you can't boot to your PC and don't know what to do? Don't worry; here we share 2 efficient methods to fix Missing Operating System in Windows 7.

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Method 1: Fix Windows 7 Missing Operating System with Windows DVD

This method requires the Windows DVD that you used to install Windows 7. If you don't have this DVD, refer to Method 2 for help.

Method 2: Fix Windows 7 Missing Operating System with Windows Boot Genius

Another way to get back missing operating system is using Windows Boot Genius, no Windows Installation DVD needed. This software can create a Windows boot disk to boot your problem PC and then fix all boot issues including operating system missing issue for your Windows compute.

To get started, free download and install Windows Boot Genius in a computer which can boot normally and run this software.

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If methods above still can't solve your problem, I'm afraid you have to reinstall your Windows. Never mind, Windows Boot Genius also can help you find your Windows CD key, no extra money needed.

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