Today, we will talk about a specific error saying “Operating System Not Found” or “Missing Operating System”. This error is relevant with many factors. Thus we will analyze them and offer corresponding solutions.
These similar errors could occur in many situations. You can imagine that after reinstalling the Windows operating system or resetting an internal hard drive as the bootable device, when you want to restart the computer, you may receive these errors. You must be panic and afraid of losing all the vital data in the computer. Don’t worry, we will discuss these problems and offer several methods for you.
1 Cable issue
If the BIOS can’t detect the boot hard disk, you may have to check the data cables. If the cables are too loose to connect rightly, then you should unplug and reinsert them to ensure the normal function of the internal hard drives. Sometimes you even have to replace them to see if the error persists.
2 Wrong boot sequences
If you have made some changes to the boot device like changing their orders, then you might receive this kind of error of course. Some storage devices cannot be used as boot device at all. If you make a wrong boot sequence, then the BIOS won’t find the right boot device and read the target computer operating system files/folders. Thus you should check the boot device order firstly when meeting this question.
3 Broken Master Boot Record (MBR) on hard drive
If the Windows Master Boot Record on the hard drive gets corrupt, then you will meet up with this error too. And under this circumstance, you have no choice but to call in reputed software to repair the problem or resort to professionals.
4 Power losses
You must have suffered power loss before. If it occurs when you are using the computer without external power supply in emergency, then this kind of error will probably happen when you try to restart the PC. Therefore, if possible, you can choose to prepare Uninterrupted Power Supply (UPS) for your computer to prevent damages from sudden power off.
5 Improper computer operations
Some people like to move useless files or folders like damaged pst files from time to time. But during this process, they might also delete some important OS files or folders unintentionally. Then errors will definitely occur when the next time you want to reboot your PC. In this case, you should re-download all the deleted system files to solve the problem.
6 Hard disk error
As we all know, hard drives could get corrupt in many ways no matter logically or physically. And corrupt boot disk will absolutely lead to this error as well. Accordingly, you ought to use inbuilt tool called chkdsk to check the hard drive at first. And find third party apps to repair it or even replace it.
Author Introduction:
Allissa Shen is a data recovery expert in DataNumen, Inc., which is the world leader in data recovery technologies, including sql repair and word recovery software products. For more information visit www.datanumen.com
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