N5110 display not working, but when the external monitor is connected to come

My screen does not work and I often hear 8 beeps at startup which indicate a problem with lcd display. But if I connect an external monitor, the LCD lights up also and then I can disconnect the external follow and work with my built-in screen. If I turned off or in hibernation etc the same problem occurs.

Hi rndb_v,

LCD screen could be about to fail, or it could be a cable problem. I suggest you try reseating the LCD cable. You can find the manuals here http://dell.to/1n5lDxb

Tags: Dell Laptop

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