[SOLVED] Dell M6700 flex cable

Jan 2, 2021
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Hi,
I have a Dell M6700 . I have problem with display its very hard to describe ,but its like old crt display its flicker more if i put lower brightness . I change the display but its still flickering . I found that the flex cable in this M6700 have a additional power, but i still not 100% sure if this can be the reason why it flickering. Can you help me what can it be?? I try different versions of drivers and turn off optimus but it still flicker. Thanks for help.