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Troubleshooting And Troubleshooting Hard Disk Operating System Not Found

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You may receive an error message stating that the operating system of the hard disk was not found. There are several ways to solve this problem. We’ll come back to this a bit later. You can, but your computer will stop working because Windows is the operating system, the software that makes it work and provides a platform to run programs like your web browser. Without an operating system, your laptop is just a bunch of bits that don’t know how to communicate with each other or with you.

 

 

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Part number 18.1c973b17.1608824779.390f3fd

Reasons For This Error

We know this error is caused by one of the following reasons:

Reason 1: Incorrect BIOS configuration

Since this error occurs when the BIOS cannot find the operating system, it is often a good idea to check the BIOS settings first. BIOS setup can become incorrect due to power failures, hardware failures, or manual BIOS setup errors.

Reason 2: BCD corrupted

Similar to the errors described in the “Missing BCD” and “BCD corrupted” sections, this error can also occur if the BCD is damaged.

Reason 3. Defective data cable

If the BIOS cannot recognize the hard drive, faulty data cables are often to blame. Try unplugging them and then plugging them back in or even replacing everything and see if the problem persists.

7 Solutions To Fix Missing Or Missing Operating System

Now that you know the reasons why the operating system is not detected Whether Windows is thin or missing, now is the time to apply effective solutions to recover the missing operating system.

Solution 1: Check If The Hard Drive Is Recognized By BIOS

Step 1. While holding down the F12 / F10 key while pressing the Power button, turn on the computer.

Step 2. When the BIOS setup utility appears, release F12 / F10.

Step 3. Try to find the primary master IDE, primary slave IDE and secondary master IDE and see if they can be recognized or not.

If the hard drive is not displayed or is displayed as “No / Not Detected”, it means that the BIOS does not recognize the drive and you can select “No” for the “Automatic” option. This can fix the operating system not found error.

If you see information about the system hard drive, it means that the BIOS can detect the hard drive and you need to exit the BIOS.

Solution 2: Check Your Hard Drive For Problems

Step 1. While holding down “F10”, press the “Power” button to turn on the computer.> Release F10 after the A test is displayed on the PC screen.

Step 2. Use the right arrow to select the Tools menu in BIOS setup.

Step 3. Then select Hard Drive Self Test> Press Enter to start the test.

After the test, you will get two results:

# 1. All tests passed

The hard disk is not damaged. You can go to Solution 3 to reset BIOS to default state.

# 2. Test failed

Contact the manufacturer of your hard drive or computer for a replacement while these devices are under warranty.

Solution 3: Set BIOS To Default Settings

Incorrect settings or incorrect BIOS settings can also cause the “Operating System Not Found” problem on your PC. You can try setting the BIOS to default to fix this problem.

Step 1. Restart your computer and enter BIOS.

Step 2. Search for BIOS and enable the standard settings, including Load Optimized Defaults, Get Defaults, Load Optimized Valuesdefault ”,“ Load default settings ”, etc.

Step 3. Press “F10” to save changes and exit BIOS.

If this method does not work, the MBR hard drive may be damaged, and you can skip to solution 4 to learn how to recover the MBR hard drive.

Solution 4. Rebuild The MBR Using The Installation CD / DVD

Incorrect operation and virus infection can damage the MBR, which is located in the first sector – usually sector 0 of the hard disk. Therefore, Windows does not start. You can try to repair the MBR using the Windows installation disc at the command line.

Insert your Windows operating system CD into your optical drive (CD / DVD).

Step 1. Press the Power button to turn on the computer.> Press Enter when booting from CD.

Step 2. In the Windows Settings menu, press the “R” key to launch the Recovery Console.

Step 3. At the command prompt, enter C: >: FIXMBR and press Enter.

Step 4: Press “Y” key> press Enter when prompted to overwrite the new MBR.

Step 5. Restart your computer by pressing the ” Power ”when the MBR finishes recording.

Solution 5. Rebuild MBR Without Windows Installation CD / DVD

If you prefer an easier and safer way to recover or recover your MBR hard drive, you can use a third-party automatic partition recovery software – EaseUS Partition Master – to perform automatic recovery.

Start Windows from the WinPE you created and start MBR recovery with a few clicks.

Step 1. Create a WinPE bootable hard drive.

  • Download and run EaseUS Partition Master on a new PC with the same system as you.
  • Click “WinPE Creator” on the toolbar. And choose to create a bootable hard drive on a USB stick. If your computer has a CD / DVD drive, you can also create a bootable hard drive on CD / DVD.
  • Click Next to complete the process.

Step 2. Rebuild the MBR.

  • Connect a bootable USB stick or CD / DVD to your computer.
  • Click “Uninstall” after restarting your computer. Boot your computer from the removabledisk ”or“ CD-ROM drive ”. And then EaseUS Partition Master will work automatically.
  • Right-click the damaged MBR hard drive. Select “Repair MBR” to proceed.
  • Select the MBR type with the current operating system. Then click “OK”.
  • Click the Run 1 Process button in the upper left corner, then click Apply to create the MBR. After that, your computer can restart normally.

Solution 6. Repair MBR For HP

Solution 4 ~ 5 to repair damaged MBR is applicable to different brands of computers / laptops. In addition, some brands provide their customers with built-in tools to solve MBR problems. For example, the Windows operating system disk (OSD) that comes with your HP laptop can be used to restore the MBR.

Complete all steps at https://support.hp.com/us-en/document/c00476274

Solution 7. Make The Correct Partition Active

If Windows is running in Legacy BIOS MBR mode, the boot / system partition must beset to active so the MBR can send the boot directly to the boot manager so that Windows can find it. If the boot system or partition is not activated, the problem may be that the operating system was not found.

In the same partitioning tool, first create a bootable EaseUS Partition Master USB stick and follow these steps to activate the bootable partition:

Step 1. Download and run the EaseUS Partition Manager program.

Step 2. Right-click the desired partition on the hard drive map and select “Activate”. The program will automatically start the process and create an active partition for you.

change hard drive operating system not found

 

 

Why is my new HDD not being detected?

If your new hard drive is not recognized by the Hard Drive Manager, it could be due to a driver issue, connection issue, or incorrect BIOS settings. It can be fixed. Connection problems can be caused by a faulty USB port and cable; This could be outdated. First, connect your hard drive using a SATA cable instead of a USB cable.

How do I fix Windows 10 OS not found?

On the Windows Setup page, select the language, time and currency format, keyboard, or input method that you want to install, and then click Next. Click Repair your computer and select Troubleshoot. Click Advanced Options, select Automatic Repair and select your operating system.