What's wrong with the black screen power light when the laptop is turned on? This is mostly caused by some hardware failures, and it is necessary to check hardware connection and damage in turn. Below, the editor will teach you how to turn on the black screen power light of the laptop commonly used in .
Tools/Raw Materials:
System Version: Windows 10 System
Brand Model: Asus A-Dou14
Method/Step:
1. The laptop computer has poor contact with the memory slot, resulting in the black screen of the computer being unable to boot.
Solution: first unplug the switching power supply of the laptop. If the rechargeable battery design can be removed, then remove the rechargeable battery first. Open the back cover of the notebook, remove the slot where the memory is running, and at the location of the red gold finger in the memory, is the area where there is a metal piece. Use an eraser to rub it back and forth twice to wait for the metal piece to shine. Finally, clean the ash and insert it back, cover the back cover, and then turn it on.
2, the computer graphics card cannot work normally, and other factors such as false welding of the independent graphics card of the laptop's graphics card.
Solution: Generally, this situation cannot be solved by individuals. It is recommended that you send it to the after-sales repair service store as soon as possible to replace parts.
3. The power supply circuit of the laptop motherboard is abnormal, such as clocks, calibration, and distribution. Or if an abnormal I/O problem occurs in MOS tube, etc., the screen is black.
Solution: Deliver after-sales service or repair the computer motherboard.
4. The screen line of the notebook is broken or has poor contact, resulting in no image transmission data being sent to the display screen for wireless transmission.
Solution: Try to use the application video cable to connect the laptop video export to check whether the video can be exported. If can, it means that it is a common fault in the display screen and wire, then replace and remove and repair or replace components.
Summary:
or above are common reasons and solutions for the black screen power light on when turning on the laptop. If you don’t know how to operate the above method, it is recommended that you send it to the repair in time and check it for professionals.