What causes a slightly reddish screen in the grey/blue areas of windows menu bars and sometimes in B/W photos? Sometimes I can correct the problem by changing the screen angle. Break in the display cable? I don't think it's a color calibration problem, though I'm open to all suggestions. I already opened up the machine and checked that the cable above the keyboard was seated properly.
This is a W520, 4270-CTO, running Windows 7.
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By now that machine is 8 years old and will have been used for many moons.
It could be a screen going bad, a loose cable connection (check both LCD and motherboard connectors), bad cable, bad LED-board, bad drivers, or bad calibration.
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I suspect the cable, because the problem is intermittent, and sometimes I can adjust the lid/screen angle, and it goes away.
The hardware manual says the cable is FRU 04W1565. But I can open the LCD assembly and check the connector first.
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