Operating system not found linux

Tim Fisher has actually 30+ years' professional technology support endure. He writes troubleshooting content and also is the General Manager of vivaworldcup.info.

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If your computer system can’t find an operating system to boot into, you could see an extremely easy error versus a black display screen that reads “Operating System not found”.

This could be a startling error to check out. How were you able to usage your computer simply fine before the error, but currently the operating device is simply gone? Wbelow did it go? Are your files gone, too?


Causes of the 'Operating System Not Found' Error

Tright here are some basic reasons this can take place, and it’s unlikely that your important data has been erased. Here are some reasons for the "Operating System not found" error:

The “Operating System not found” error deserve to be watched on any computer running Windows 10, Windows 8, Windows 7, Windows Vista, or Windows XP.

How to Fix the 'Operating System Not Found' Error

Restart your computer. The “Operating System not found” error can be a short-term glitch that a restart will deal with.

Disconnect unimportant flash drives, eject the disc if there's one in the disc drive, and remove any kind of floppy disks. Your computer system can be trying to find a perfect OS on one of those gadgets, and also if it can't, it can display the “Operating System not found” error.

Boot right into BIOS and make sure the tough drive the operating system is mounted on is noted as the initially boot gadget. If it's not, readjust the boot order so that it is.


This is crucial bereason if somepoint else prefer a flash drive or disc has priority yet doesn’t have an operating device on it, your computer system will assume that tright here isn’t an OS to boot to and it will certainly throw the “Operating System not found” error.

Toggle UEFI Secure Boot on or off, depending on what it's set at best now. Whether Windows deserve to boot in UEFI mode relies on whether it's on a GUID Partition Table disk or an MBR disk. Enabling or disabling Secure Boot deserve to identify if the error is related.

You do this through the BIOS setup energy (view the link in Tip 3 to learn exactly how to gain there) with the Security tab. Toggle Secure Boot to whatever it currently isn't, so either Enabled or Disabled.

Restart your computer after this step. If you're still seeing the “Operating System not found” error, revert this establishing earlier to what it was and also proceed with the next idea listed below.

Recollection BIOS back to manufacturing facility default settings. Undoing every BIOS customization can reset something that was formerly hiding the hard drive or corrupting exactly how the operating device could be discovered.

The easiest means to deal with the “Operating System not found” error through a BIOS reset is to look for a reset alternative within the BIOS setup energy. It might be a duty essential like F9 that you should push, or a menu option called Reset BIOS. The certain procedures you should take depend on the BIOS manufacturer.


Repair the boot documents to resolve the “Operating System not found” error. Valid boot records are necessary for a normal boot procedure. If the master boot record (MBR) or boot configuration data (BCD) store are corrupted or missing, you can check out the “Operating System not found” error.

Because you can't accessibility Windows as a result of the error, you'll must usage an installation disc or flash drive to obtain to the repair devices that we talk about in this action and also the next one. Find Out just how to do that in Windows 10 and also 8 here; Windows 7 (here) and also Vista customers (here) can follow comparable steps.


Start by rebuilding the BCD via this command also (open that connect for all the measures you should gain to the Command also Prompt wbelow you have the right to type this):

bootrec.exe /rebuildbcdWhile you're still in Command Prompt, after the previous command also finishes, enter this one:

bootrec.exe /fixmbrFinally, reboot your computer system to see if the “Operating System not found” error has been resolved.

See more: Fix: Steam Unable To Sync Files, How To Fix Steam Unable To Sync Error

See how to repair the MBR in Windows XP if you're utilizing that version of Windows. Another means to solve some Windows XP boot files is by repairing the boot.ini file.

Use the diskcomponent command also to activate the partition that Windows is set up on. For whatever factor, it could have end up being disabled, which would explain why you're seeing the “Operating System not found” error.


Access Command Prompt from the installation CD by adhering to the same steps as over, and also then enter this command:

diskpartFollowed by:

list diskUse this command also to pick the disk that corresponds to the one the operating device is set up on (most civilization will check out simply one in the list):

pick disk 0Use this command also to list all the partitions on that disk:

list volumeGet in this one to pick the partition on that disk that Windows is set up on:

select volume 2Make the volume active via this command:

activeIf you've fixed the “Operating System not found” error, Windows have to begin normally once you reboot. Exit Command Prompt and also pick Continue to attempt founding the operating system.

Reseat the hard drive's power and also information cables. Unplugged or loose cables might be the reason of the “Operating System not found” error.

Reinstall the Windows operating system. The “Operating System not found” error could be literal. It's possible that malware or an unintentional format has wiped the OS from the tough drive.

If you can't access the tough drive to reinstall the operating mechanism, Tip 10 is your last choice.

At this point, a faulty hard drive is the just continuing to be reason for why you're still obtaining the error. Replace the difficult drive and also install a fresh variation of the operating device to solve the “Operating System not found” error.

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