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Aporte original por: Thomas Keats ,

Texto:

Hey, as the previous commenter suggests,  if your laptop supports external display you can plug it into a monitor or a TV to at least see if its the Graphics chip OR the screen itself that's flaking out on you.

If the display (HDMI/VGA/Display Port etc) sends a signal to the external display you have a problem with the LED/LCD in the laptop.

If you don't, then there is likely a good chance the issue is with your graphics chip, or something else.

I've seen the display issue being anything from a kinked cable, to a blown backlight.  Most times its approximately $100-150 fix depending on where you source the parts, and who puts it in.  (I've seen big box stores charge upwards of $300-600 depending on screen size)

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open