kanshin Posted May 7, 2016 Share Posted May 7, 2016 Hi all, I have follow Jake_Lo's guide for E7450 and everything works perfectly. The only issue is when I connected HDMI to external LED screen (4k), the mouse feels delay or laggy if i choose any resolution higher than 720P. the internal screen is 1366x768. there's no difference on mirror, extend screen and lid closed. is it hardware limit ? but I can't believe HD550 can't handle 1080P. Link to comment Share on other sites More sharing options...
offficial_florin Posted July 20, 2016 Share Posted July 20, 2016 Hey, I have the same problem with my TV. But its also the same in Windows. Watch the FPS. Its 30 right? Thats cause the laptop can handle only 30FPS with HDMI. To use a 60FPS 4k Output you need to use Displayport. Link to comment Share on other sites More sharing options...
offficial_florin Posted July 20, 2016 Share Posted July 20, 2016 Here the INTEL Statement Link to comment Share on other sites More sharing options...
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