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List of contents of this article:

• 1. What's wrong with the computer boot showing that the operating system has not been found?
• 2, Why does the computer show that the operating system was not found?
• 3、 Why does the computer show that there is no operating system when it starts up?

What's wrong with the computer boot showing that the operating system has not been found?

Fault: "no operating system found."Interpretation: The operating system was not found. Reason: The operating system file is damaged. The system boot item is damaged. The first startup item of the computer is set incorrectly. Solution: Reinstall the operating system. Repair the system boot items.

Booting sequence error: Your computer may try to boot from the wrong device (such as a USB drive) instead of from the correct device containing the operating system (such as a hard disk). You can try to set the correct startup device as a preference by entering the BIOS settings of the computer.

The system is damaged and needs to be reinstalled. If the boot area of the hard disk is faulty or damaged, kill the virus first and then repair the boot area. Hard disk data cable or power cable failure. Replace the data cable or power cable. Hard disk failure, replace the hard disk. If you use dual hard disks, please pay attention to the master-stabed disk settings.

Why does the computer show that the operating system was not found?

When your computer displays an error message that the operating system was not found or similar, it usually means that your computer cannot boot or start the operating system.

Error message"1962: Operating system not found" means that the computer cannot find a valid boot device or the boot device fails. There may be many reasons for this error, including: hard drive failure: the hard drive may fail or be damaged, causing the computer to fail to start.

Hard disk connection problem: It is possible that the system cannot read the operating system due to poor hard disk connection or failure. Check whether the connection cable of the hard disk is firmly connected to make sure that it is not loose or broken.

Operating system or boot file damage: This is one of the most common reasons. During the startup process, if there is a problem with the operating system file or boot file, the computer may not be able to load the operating system correctly. Hard disk failure: If your hard disk fails, such as bad channel or physical damage, the computer will not be able to find the operating system.

When the computer starts up, it prompts "Unable to find the operating system". What should I do 2?

1. If the above operation is invalid, you need to reinstall the system. There are many ways to reinstall the system. It is recommended to reinstall the system with CD-ROM. If the hard disk cannot be detected, replace the hard disk power cable and data cable. If it is invalid, replace the hard disk and reinstall the system.

2. If the above operation is invalid, you need to reinstall the system. There are many ways to reinstall the system. It is recommended to reinstall the system with CD-ROM. If the hard disk cannot be detected, replace the hard disk power cable and data cable. If it is invalid, replace the hard disk and reinstall the system. First, use the USB flash drive to download a one-click U boot on another computer, and make the USB flash drive into a boot disk.

3. Use the installation media to repair the boot area.Use the Windows installation CD or USB boot disk to enter recovery mode, and then repair the boot area. This will cause the operating system to be found and restarted again. If none of the above methods can solve the problem, it is possible that the hard drive itself is faulty.

4. To solve this problem, you can try the following methods: Check the hard disk connection: plug and unplug the hard disk power cable and data cable again to ensure that the connection is good. Repair with Windows installation disk: Insert the Windows installation disk into the computer, enter the installer, select "Repair Your Computer", and then select "Start Repair".

What to do if the computer can't find the system

Solution: Reinstall the operating system. Repair the system boot items.Boot into the BIOS and set the hard disk as the first boot item. The operation steps are as follows: First, restart the computer, or press the power-on key in the shutdown state, and hold down the DEL key on the keyboard at the same time. After a moment, the computer will enter the BIOS setting page.

Check the hard disk connection: Check whether the computer's hard disk connection is loose or damaged. If there is a problem, the hard disk needs to be repaired or replaced. Restore the operating system: Use the operating system installation disk or recovery disk to try to repair or reinstall the operating system.

You can try to use the recovery disk to restore your computer system. Recovery Disk can help you reinstall the operating system and restore your files and settings. Use the boot disk. If you don't have a recovery disk, you can use the boot disk. The boot disk is a bootable USB or CD-ROM containing the operating system and recovery tools.

The following are the common solutions: Use the installation CD to repair the system: If you have the installation CD of Windows system, you can start the computer with the CD, and then select the Repair System option. This method can try to repair the system automatically. If it can't be repaired, you can also choose to reinstall the system.

Why does the computer show that there is no operating system when it starts up?

Hard disk failure: If the hard disk is not connected inside the computer, or the hard disk power cable or data cable is loose, it may cause the inability to find the operating system. Operating system damage: If the operating system file is damaged or lost, it may also lead to the problem of not being able to find the operating system.

Hard drive failure: The hard drive may fail or be damaged, causing the computer to fail to start.Loose cable connection: The cable connecting the hard drive to the motherboard may be loose or disconnected, causing the computer to fail to recognize the hard drive.

If none of the above methods can solve the problem, it is possible that the hard drive itself has failed. Need to replace the hard drive or seek professional repair services. Finally, it is very important to back up data as regularly as possible when using the computer to prevent data loss.

Operating system damage: The operating system file may have been damaged, resulting in the inability to start. You can try to repair or reinstall the operating system using the operating system installation medium (such as installation disc or USB drive).

Reason: The reason for the failure is generally that there is an error in the partition table in the main boot record of the hard disk, when it refers toThere will be the above prompt when multiple self-lifting partitions are set (only one self-lifting partition) or the virus occupies the partition table. Repair method: Use DOS anti-virus software to check and kill viruses under DOS.

This problem may be caused by damage to the hard disk boot sector or the loss of operating system files. Here are some possible solutions: Repair the boot sector: Use the Windows installation CD or USB boot disk to enter the repair mode. Open the command prompt and run the following command: restart the computer to see if the problem is solved.