A string of letters appears on the computer? What should I do if the computer turns on and displays

The English screen prompts that no bootable operating system can be found.

Since it is a problem after replacing the power supply, it is more likely that the hard disk data cable and the power cable are not connected properly, you check it.

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.

English meaning = unable to find the operating system (that is to say, the system in the hard disk has been destroyed, and it is possible that the system has not been installed in the hard disk).

Cause: The system boot file is corrupted or missing.

1. First turn on the computer, hold down "shift" when the boot logo appears, and keep pressing "f8".

2. Then click on the pop-up window to open "Advanced Repair Options".

3. Then click on the pop-up window to open "Advanced Options" in the troubleshooter.

4. Then click to open the "Command Prompt" in the pop-up window.

5. Then click to enter "bcdedit enum", press enter to confirm, and see a prompt to prove that it has been damaged.

6. Then click to enter "chksdk r", press enter to confirm.

7. Then restart the computer, and it can be turned on normally.

There are generally four possibilities in this case: the keyboard is damaged, and the keyboard can only be replaced; 2.Control Panel Keyboard Recurrence Delay Repetition Rate Lower, Control Panel Accessibility Options Keyboard Filter Key Settings; 3.

The motherboard BIOS settings are wrong, you can boot the computer and press del (different motherboards have different buttons, some press F2), select the option to restore factory settings, and then save and restart; 4.If it doesn't work, just look at the keyboard in the device manager Sanye Hall and update the driver. The Extended Data Brain Keyboard is a channel that inputs the control information of text information into the computer, which evolved from the keyboard of the English typewriter.

Summary. 1. First turn on the computer, hold down "shift" when the boot logo appears, and keep pressing "f8". 2. Then click on the pop-up window to open "Advanced Repair Options".

1. Shou Li Huishu first turned on the computer, and when the boot logo appeared, he held down "shift" and kept pressing "f8". 2. Then click on the blue stove in the window to open the "Advanced Repair Options".

3. Then click on the pop-up window to open "Advanced Options" in the troubleshooter. 4. Then click to open the "Command Prompt" in the pop-up window. 5. Then click on the jujube state to enter "bcdedit enum" to close the sail, enter to confirm, and see the prompt to prove that the stool has been damaged.

6. Then click to enter "chksdk r", press enter to confirm. 7. Then restart the computer, and it can be turned on normally.

Good New Year, happy to answer for you. There are several reasons for the English alphabet to appear when the computer is turned on: 1. The BIOS setting of the computer.

Turn on the computer Labi to enter the BIOS shortcut key press F2 (the BIOS interface of different computers is a little different, refer to the BIOS shortcut key of your own computer itself). Go into the BIOS to see if it is displayed to the hard disk, and if it is displayed to the hard disk, set the system hard disk as the first boot item on the boot interface, and then save and exit, restart the computer to see. 2. It is a system problem, and the system partition is abnormal.

You can use the system USB flash drive to go into the PE to repair the boot boot. Then no, just reinstall the system. 3. There is a problem with the hard disk.

If there is a problem with the hard disk, the hard disk detection software can detect whether there are bad sectors in the hard disk. If there is a problem with the hard drive and you need to replace the hard drive, then reinstall the system. The above is the method of filial piety when the English letter appears at the boot.

If it still doesn't work, it is recommended to go to the computer after-sales outlets for testing or go to a professional computer repair point for testing and maintenance.