One day, you want to turn on your laptop to work as usual, while your laptop doesn’t work well as ususl, there is something wrong with the laptop screen, it appears nothing but some multicolor or gray lines. You can not do anything but let it alone to be worse. Do you upset about this experience? If you do, this article will help you to some extent.

There may be connection problems. First you can check that if the video cable connects well with the LCD screen by unpluging and repluging the video cable on the back of the LCD and on the system board. In some cases, the problem will get done. If it does not, you may try to check that if the video card makes good contact with the slot on the motherboard. Reconnecting the video card and testing the laptop. It is also possible the connection issue about memory module and motherboard.

If there is not the problem of connection, you may check the video cable and LCD screen. You can move the video cable without moving the LCD screen, if the garbled video changes, the video cable may be bad. Replace the video cable. On the contrary, moving the LCD screen without moving the video cable, if the sreen image changes, it is the problem of the screen and replace it.

If the problem is still, you can connect the LCD screen to an external monitor. If the external monitor has garbled image too, it may be that the motherboard is bad or the video card is bad. In many laptops, the video card can not be replaced from the motherboard. If the video card fails, you should replace the motherboard too.

I think this article will help you to continue to do your work with your laptop instead of giving up.