Need to replace only display cable or entire display?

Question

Hi guys!I have a Dell n5110. On startup I hear 8 beeps, the monitor shows only black screen. I pressed the 'D' key and the monitor flashed in different colors.It happened me this a couple of times ago but I managed somehow to make it work. Now it works only with external monitor.I red some articles on web and understood that if the monitor shows colors (on pressing D) the display is fine, it is just the cable.My question is: how can I be sure that the display is fine and I only need to replace the display cable? Or is there any other fix or details I am missing?

dannyetlv · Answer

Why do you mean by reseating? I unplugged and plugged the display cable and hold the power button with the battery and charger removed but with no use. And you say that replacing the display and the display cable is useless?

Mary G · Answer

A possible fix is not replacing the cable. Cable might just need to be reseated. Try that.  If that doesn't work it's a screen failure and replacing the screen on this old 2011 model is not cost effective and might not even be possible. Replace the computer.

Inspiron

Need to replace only display cable or entire display?

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