The computer won t turn on, and it happens as soon as it is turned on

Shows the workaround for ntldr is missing.

First of all, enter the BIOS settings to boot from the disc, then insert the disc to reboot, after the "Welcome to the installer" interface appears, we select "To repair Windows XP installation using the recovery console, press R".

After entering the system fault recovery console, go to drive C, 3

Then enter "copy x:i386ntldr c:":" (x represents the drive letter) to copy the NTLDR in the CD to the root directory of the system disk, 4

Then enter "exit" to exit the console, take out the disc and reboot, if the reboot is not ntldr is missing, then it means that the copy is successful. end

NTLDR file is missing.

This is a system boot file, and if it is lost, it will cause you to be unable to enter the system.

Solution: Copy this file from another computer (in the root directory of the C drive), boot into the system with PE, copy the file to it, and restart the computer.

The system crashed, go to the computer city to install a system.

It is recommended to reinstall and try again.

Is it a forced shutdown during the installation of the system?

It seems that something is missing.

Press the button in the top left corner to take a look.

What brand of computer?? Notebook or?

1. It may be due to the following reasons: the operating system file is corrupted, the MBR table is damaged, the hard disk data cable is loose, and the hard disk is broken;

2. You can enter the system boot options in [F8], select [Advanced Options], you can try to select [Boot Repair], [System Restore] and other options to see if you can enter the system normally;

3. If it doesn't work, you can use a U disk or CD to boot, enter the PE system, and use partition software to repair the MBR table (some software is called repair boot);

4. It may also be due to hardware problems, check the hard disk data cable and power cable, plug in the connector tightly, and replace it with a new one if the cable is broken; If you can recognize the hard disk in the BIOS, try to reinstall the system, if you can't reinstall it, try to repartition the hard disk, if you can't divide it, try to format the hard disk at a low level. I can't recognize the hard disk in the BIOS, so I can only replace it with a new hard disk;

The message says "No system found".

It is recommended that you first set up the correct boot device in the BIOS and then use the System Repair Tool software to repair the system partition of this computer.

If the repair fails, the only way to do this is to reinstall the system.

The prompt does not find the operating system, press the key combination to restart. First, check whether there is a USB flash drive, mobile hard disk or mobile phone inserted into the computer, if so, unplug it and then turn it on. Second, if there is no mobile storage device, there may be a problem with the operating system, use the USB disk boot disk to start the computer, run the hard disk partition tool in PE, one is to check whether the hard disk can be found, and the other is to check whether the hard disk 0 track has bad sectors.

Third, if you can find the hard disk in PE, partition the hard disk, format it, re-attach the system, and check whether the computer is turned on normally.

According to the hint you gave,This is caused by the system not found,In this case,It is recommended that you first see if the hard disk is recognized,If it is recognized,Then repair the boot area or reinstall the system to try it,If not,Then you need to repair the hard disk and then talk about it。

The screen prompts that no operating system can be found to boot.

First of all, unplug all USB drives and portable hard disk devices on the computer, and if you want a desktop, please check whether the hard disk data cable and power cable are connected.

If there is no problem with the wiring, this prompt still appears, that is, the operating system on the hard disk is damaged.

If the computer has been backed up or is a genuine system, you can try to restore the factory system; Otherwise, you can use the system disk to boot the computer and reinstall the operating system, which can solve the problem.

Reboot with the reset key, press the F8 key continuously, enter safe mode, repair or kill viruses, clear useless file software****, and then clean up junk files, reboot should be OK. The most straightforward is the reinstallation system.

This situation still occurs often on computers. When I usually encounter this situation, I press F1 a few times, and then I will generally enter the system normally. You can try it, if you still can't get in, then the system is malfunctioning, and you have to redo the system.

The preferred boot device does not support booting, for example, a USB flash drive is inserted, but the USB flash drive is not a boot USB flash drive.

1. Check if there are other devices on the computer.

2. Put the hard disk in the boot sequence in the BIOS first.

You don't recognize the hard disk, open the BIOS to identify the next hard disk, and then turn down the system priority.

This is the computer not finding the system.

Check whether the cable of the hard drive is loose, and then try again.

This situation is due to the system of the computer, if you can't turn on the computer now, you can find a professional to help you study it.

Check if the hard drive has a problem with poor contact!

Generally, the hard drive will not break, unless the hard drive really reaches the end of its life!

I think in general, if the computer can't turn on, you can see if there is a problem with the line.

Didn't find the operating system, let you press Ctrl Alt del to restart.

It reads, "Unable to find operating system... Are you sure if you are also corrupted system files or hard drive corruption?

Bootstrap error. Just fix the bootstrapping.

Recovery disc repair will do it:

1. Turn on the computer, keep pressing the del key or F2 key or F12 key to enter the CMOS setting.

2. Switch to Advanced BIOS and set First Boot Device to CDROM! Different machine settings are different, of course, some can be directly selected through the del key.

3. Insert the system disk recovery disc! Start your computer.

4. After the installation interface of the disc is displayed, click Repair Computer.

5. In the dialog box that comes out again, click Auto Repair.

6. After the repair is completed, take out the disc.

7. Restart the computer to see if the problem is solved.

Just go to the ** and buy a system USB flash drive, it's very simple.

Just redo the system.

Boot repair or reinstall the system.

Did you move any hardware?

I didn't turn it off in order last time, and I didn't do it step by step, I don't know if that's the reason for you

Now the numbers are loading all the time, right, wait a minute, wait for it to load for a while (try to load it first for about 15 minutes). And then it still doesn't end, just restart. (Press and hold the power button to restart or directly unplug the power supply and come back).

Try a few more times, I tried almost five times last time. It's a long process.

If you really don't shut down in order, remember to take it step by step next time, and don't just unplug it

If it doesn't work to turn it off and back on, it should be a virus.

This situation may be due to the fact that the computer cannot detect a certain hardware during the self-test or is stuck in the detection of a certain hardware.

1. Keyboard and mouse, the boot self-test will detect the mouse and keyboard, if there is a problem, it will cause the card to the self-test interface, the solution is to unplug the keyboard and mouse, check whether it passes the self-test, if it passes the self-test, replace the mouse and keyboard.

2. Hard disk and optical drive, the most likely is the hard disk and optical drive, the desktop needs to open the chassis, unplug the power cord of the hard disk optical drive to see if it passes the self-test, if it passes, further rule out the problem of hard disk or data cable.

3. If none of the above is true, then the most likely thing is that there is a problem with the motherboard BIOS and needs to be returned to the factory for repair.