After reinstalling the system, I couldn t get in

1.Stubborn virus - format and repartition the entire disk, and install the system on it.

2.Memory is broken - read data error, replace a memory module and try it.

3.Hard drives have bad sectors – data is lost, and the only way to do this is to replace the hard drive.

It's nothing more than these 3 situations!

Use a USB flash drive to boot to DOS or hang it on another computer.

Find a file to copy to C:Windows System32

I've also encountered this situation, that's the remnant of the previous system, you turn on the computer and press f8, and then return to the operation menu, there are two options, select the next one, you can enter the system, after entering the system, through my computer properties, select the second one as the first start, and put the residual shabu on the line.

Let's reload. with an installation disk.

And not some ghost or something.

Buy another genuine one.

Just reload.

Press del on boot,Enter the settings to change the disc to start,Find an installation disk that is sure there is no problem,You have installed it before and said that it is a friend who has used the disk without problems,Grid the C disk,Reinstall。 It is recommended to clean the dust inside the machine before reinstalling, the old machine, a lot of ash should be! There is a more thorough way, directly replace the new machine, 03 years of the machine, it can be replaced, now everything is up on this is not rising, find a friend to help DIY it together, it is definitely better and more powerful than your current machine!

Did you make a mistake when installing the system? You're still pretending.。。 I've bought a plate.

In this case, it is recommended that you enter the BIOS to take a good look, some computers are not allowed to modify the system, you need to refresh the BIOS to have the permission to change the system, of course, it may also be caused by the incompatibility between your boot boot and the BIOS.

The first. Poor contact and loose or dust-covered graphics card or memory CPU, or fan.

The second. The memory CPU is overheated and the heat dissipation is not good. Check the temperature.

Due to a configuration issue with the computer's disk hardware.

Re-wipe the memory, there may be a memory problem.

Let's see if there is a problem with the capacitors on the motherboard.

Reinstalling the system is when the operating system of the computer is reinstalled. When the user misoperates or is damaged by viruses or Trojan programs, the important files in the system are damaged, resulting in errors or even crashes, and cannot be started, and have to be reinstalled.

Some people who like to operate a computer reinstall it in order to optimize the system and make the system work in the optimal state under the normal operation of the system.

After reinstalling the system, the solution steps for not being able to enter the system are as follows:

Operating environment: Lenovo Legion Y7000, Windows10, Xiaoyu reinstallation system, etc.

2. Enter the production system software of the Xiaoyu system, select the option of making a USB flash drive, click to start production, and the system will automatically give a suitable version for installation. Next, the system will pop up a window, click OK to get your hands dirty.

<>4. After restarting the computer, plug in the U disk to boot up, quickly press F12, different computers with more than one calendar use different shortcuts, select the U disk in the boot menu, and you need to return to the main page to continue the installation.