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34um95

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    Anyone have an lg ultra wide hooked up? 34um95

    I have a ps4 hooked up via a hdmi splitter - worked fine with an old hp monitor but noticed today, it only works when the mac is turned on! Even after I unplugged the display port and usb hub, it still went to 'no signal' when the mac sleep - how can it do this when the mac is not connected to...