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Dell XPS 502X L Display not working.
My Dell XPS 502X has a bad display. I can hear that the system has booted up, but the display doesn't lit. When I connect any external monitor, I don't see anything on the external monitor either.
Any help in debugging the issue? Could it be a bad display driver or card? Can i do anything about it?
ejn63
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November 26th, 2017 09:00
Hold the D key through powerup. If you get a series of LCD screens, with alternating color/patterns, the LCD is OK. If that's he case, and there's no display through the internal screen even before WIndows loads, the GPU has failed - meaning the mainboard needs to be replaced.
stylite05
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November 27th, 2017 06:00
I booted the laptop after 3-4 months and it was lying cold in garage. The screen worked for first few minutes and then the screen became grey. I was able to connect to an external monitor and able to see the contents on external monitor even when the laptop screen is grey.