What are the reasons why the computer won't turn on and what are the solutions?

The computer cannot be turned on, which makes people extremely anxious! PHP editor Xiaoxin conducted a comprehensive review of this problem, from hardware problems to software failures, analyzing possible causes and corresponding solutions one by one. This article will provide you with a step-by-step guide to quickly identify the problem and successfully resolve the dilemma of your computer not turning on.

1. The reasons why the computer cannot be turned on and the solution steps?

1. Power supply problem

Firstly, eliminate the power supply problem of the laptop. First, confirm whether the power adapter of the laptop is normal and whether it can power the laptop. Then connect the laptop to the power adapter and power it on to see if the laptop battery is faulty. The computer cannot be turned on due to power outage.

2. Hardware problem

After eliminating the power problem, confirm whether the indicator light on the laptop is on when it is turned on. If the indicator light is not on, or the laptop sounds an alarm when it is turned on, you can be sure that it is the laptop. If there is a problem with the hardware on your computer, it is recommended to take it directly to a computer repair shop for repair.

3. Black screen

The power indicator lights up normally, but the screen goes black. If possible, you can connect another external screen to see if the graphics card output is normal. If the external screen can display normally, it means the laptop screen Or there is a problem with the cable. If the external screen does not receive a signal, there may be a problem with the graphics card or other hardware.

4. System Problems

If there is a black screen caused by system problems, the cursor will flash in the upper left corner of the laptop screen. Even if there is no cursor, the screen will be brighter than when it is not powered on. If you encounter this situation, you can try to create a USB boot disk to reinstall the system. If a blue screen problem occurs, you can also use the same method to solve it.

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