After the computer loses power, you can only open the first one. Traditional desktop is a crashed software, but it is a win8 system.

1) If this is the case when the computer is turned on, don't operate it immediately after the computer is turned on, because the program is loading in the background when the computer is turned on, which is very stuck at this time. Please wait a moment, it will be operated. This is normal. If the time is too long, see the following methods.

Soft before hard, such problems are caused by software conflicts, inappropriate drivers and system problems. First, try to download and install drivers, software and patches before the accident. If you don't know what caused it or it doesn't work, you can restore the system or don't reinstall the operating system (if it is a hardware problem, please repair it, such as hard disk).

2) What's more, it has something to do with improper operation before you turn it off? For example: playing games, watching videos, operating big things, and using computers for a long time? Or download inappropriate things, the fault will not happen for no reason (if this problem is caused, just pay attention to your computer not being stuck, blue screen, and suddenly shut down, so the boot will not happen)?

If it is caused by 2), as long as you pay attention to your computer's no card, blue screen, sudden shutdown, startup will not be like this.

3) If it is caused by 2), see the following methods for the boot card and the normal operation card.

The disk may be damaged due to illegal shutdown or other reasons. Please repair them (repair each disk or just C).

The system's own disk repair method:

The specific steps are as follows: select the middle drive letter in my computer, and then click the right mouse button to select properties. In the pop-up drive properties window, select Tools → Start Check, and select Automatically repair file system errors and scan and recover bad sectors, and then click Start. According to the disk capacity and scanning options, the scanning time will be different (after completing the above operation, a box will pop up, and the point is to repair after automatic shutdown.

If the fault still exists, please restore the system or reinstall the system (it is still impossible to format the hard disk, partition and reinstall it).