“Is the display flicker-free? Specifically does the brightness use PWM (pulse width modulation) or does it use direct current (DC)?”

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• Hi Must Must. The display for the LG Ultra PC 17” Lightweight & High Performance Laptop with NVIDIA® GeForce® GTX™ - Best Buy Exclusive, Model # 17U70N-R.AAS7U1 is not officially Flcker-free, but technically, it is. To dim the screen, some notebooks will simply cycle the backlight on and off in rapid succession - a mthos called Pulse Width Modulation (PWM). This cycling frequency should ideally be undetectable to the human eye. When tested, screen flickering / Pulse Width Modulation was not detected...^IFV

  Answered by LG Digital Customer Care 5 years ago

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