The computer cannot be turned on

If it cannot be repaired, it can only be solved by reinstalling the system on the basis of a good backup. Today's computers (whether laptops or desktops) are equipped with a shortcut for selecting the boot device at startup. key to quickly bring up the boot device selection menu. The advantage of using this method is that it is quick and easy, but there is a risk of mistakes. Especially for novices, this method is more suitable. The details are as follows:

Preparation:

1. Download the bootable USB flash drive creation tool and create a bootable USB flash drive.

2. Download the WIN7, WIN8 system installation package or Win10 system installation package from the Internet and put it into the USB boot disk.

Specific installation steps:

1. Before turning on the computer, insert the boot USB disk into the laptop or desktop, turn on the power and when the screen LOGO appears, press the brand corresponding shortcut in the table below. The keys are shown in the table below;

2. After pressing the shortcut key, you can bring up the boot device selection menu. The options marked by the red box in the picture are the inserted boot USB disk, and the up and down arrow keys Move the cursor here and press the Enter key to confirm, as shown in the figure below:

3. The computer will automatically enter the U disk startup software interface, as shown in the figure below;

4. First back up the C drive, then press the "↑↓" up and down keys on the keyboard to select 01, and then press the Enter key to enter u to start the Winpe system. After entering the PE system, you can perform hard disk partitioning, system installation, System maintenance and other operations are as shown in the figure below.