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April 27th, 2016 03:00
Monitors connected with HDMI goes black and back again randomly.
Hi,
I have a Latitude E6440 with an Intel HD Graphics 4600 video card and I have noticed that when the power cord is connected the monitor connected with HDMI goes black and back again randomly. This usually happens several times per minute.
I have both tried with another HDMI cable and monitor but with the same result.
This never happens when the laptop is running on batteries.
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