What Is System Registry File?
The registry is not a single large file but contains a set of discrete files called hives.
Both the gear configuration and the users preference can be reflected in the file.
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Luckily, you’ve got the option to find out the causes and solutions in this passage.
Thus, kindly keep reading.
It is terrible to receive the operating system not found error.

But Ill provide some solutions for you to fix this issue.
Creating a bootable disk requires a snap-in WinPE Bootable Builder in MiniTool Power Data Recovery.
Step 1: Download and install MiniTool Power Data Recovery.

Step 3: Register with your license key by clicking thekey iconbutton.
Step 4: Connect a USB drive to this computer and click theRefreshbutton to find the drive.
The size of this USB drive is suggested to be 4 GB to 64 GB.

Step 4: press theBootable Editionicon to run MiniTool Media Builder.
Step 5: Click onWinPE media with MiniTool plug-in.
Step 6: ChooseUSB Flash Diskin the following window.

Step 7: ClickYesand wait for the process of creating abootable mediato complete.
Step 8: ClickFinishand remove the bootable disk from the current PC.
Connect another USB drive to the computer used to preserve your files later.

Step 2: Boot this computer into theBIOSmenu.
Step 3: Change the boot order, making the computer boot from the created bootable disk.
Step 4: PressF10to save the change and hitEnterto exit BIOS.
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Step 5: Wait for your machine startup and MiniTool Power Data Recovery will open automatically.
Step 6: Specify a partition that contains files you want to recover and clickScan.
you’re able to turn to theDevicestab to scan the whole disk as well.

Step 7: Wait for the scan process to complete.
Besides, it’s possible for you to press thePreviewbutton to check the chosen files are what you want.
Step 8: pick the files you need and press theSavebutton.

Step 9: Choose a proper path to save the files and clickOKto confirm.
2 ways with steps on how to access BIOS on Windows 10/8/7 are provided.
Both of them are used in Command Prompt, a Windows built-in tool.
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you could initiate the two commands respectively to find which helps fix the corrupted registry files.
Step 1: PressWin + Rto fire up the Run Window.
Step 2: Typecmdin the text box and pressShift + Ctrl + Enterto run Command Prompt as administrator.

Step 3: Typesfc /scannowand hitEnter.
Step 4: Wait for the scan to complete and reboot your rig.
If you find the problem still exists, you could try the DISM command.

Step 1: PressWin + Sand typeCommand Promptin the search box.
Step 2: ChooseRun as administratoron the right panel.
Step 3: TypeDISM.exe /Online /Cleanup-Image / RestoreHealthand hitEnter.
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Step 4: Wait until the process ends and reboot the PC.
it’s possible for you to access to see if the problem has been fixed.
How to recover files using CMD?

This post gives you detailed steps for data recovery in different situations.
you’re able to use this method to solve problems.
Step 1: PressWin + Ito bring up the tweaks window.

Step 2: SelectUpdate & Securityand scroll down to find and chooseRecovery.
Step 3: tap on theRestart nowbutton under the Advanced startup section.
Step 4: After the computer restart, you are able to see theWindows Recovery Environment (WinRE).

Repeat these steps two times more and your box will start up completely.
You will enter WinRE as well.
Then, you’re able to follow the next steps.
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Step 5: Click onTroubleshoot>Advanced options>Startup Repair.
Step 7: ClickComplete.
Then, your rig will start to diagnose and repair errors.
yo wait for a while, then you might check whether the problem is fixed.
This post shows you how to open Advanced Startup Options on your Windows 11 computer using different methods.
This might be the best way to handle the issue.
Step 1: Connect the USB to the working computer.
Step 2: PressWin + Sand typeCreate a recovery drivein the search box.
Step 3: HitEnterto bring up the Recovery Drive window.
Step 4: ClickNextand follow the next instructions to finish creating a recovery drive.
Step 5: Remove the USB drive and plug it into the problematic computer.
Step 9: ClickRecoverto start recovering your PC.
Step 2: initiate the computer and boot it into the BIOS menu.
Step 3: Change the boot order to make the computer boot from the USB drive.
Step 4: SelectRepair your setup>Troubleshoot>Command Prompt.
Step 5: jot down the following commands one by one and hitEnterafter each command.
Step 6: Wait for these commands to complete.
Step 7: Remove the USB drive and restart the computer.
Method 2: Rebuild with MiniTool Partition Wizard
MiniTool Partition Wizardcan help you rebuild MBR more easily.
This is a functional partition management tool.
It can format, resize, split, and merge partitions.
Besides, you could use it to convert file systems and recover partitions.
For more functions, it’s possible for you to download MiniTool Partition Wizard to have a try.
Step 2: Connect a USB drive to a well-performed computer and initiate the software.
Step 3: ClickBootable Mediaand follow the instruction to create a bootable disk.
Step 5: Change the boot order to make the computer boot from the created bootable disk.
Step 6: Wait for the computer to restart and MiniTool Partition Wizard will open automatically.
Step 7: snag the internal disk that cant boot.
Step 8: Choose theRebuild MBRfunction from the left pane, then follow the instructions to complete it.
reboot your box to see whether it can work normally.
It is powerful to solve any Windows problem.
Step 1: PressWin + Sand typerecoveryin the search box.
Step 2: ChooseOpen System Restore.
Step 3: Choose a restore point in the popup window.
Step 4: ClickNext.
Step 5: Check the information shown on the window and clickFinishto restore the system.
After this, it’s possible for you to verify if your box can work well.
Hope this post can help you.
When you are resolving the problem, take care of your files.
If needed, try MiniTool Power Data Recovery to rescue files.