Solved Blocky and pixelated 4K Video Playback

Dell Dell latitude e6420 14 led notebook...
January 22, 2017 at 08:54:27
Specs: WIN 10 PRO, Core i7 6700K
I cannot figure out what I am doing incorrectly. I am trying to play 4K video from my system to my TV, and every time I do, the image is blocky, grainy and pixelated with large gray squares covering most of the screen. I have enclosed a screenshot to show that.

My system setup is as follows:

ASUS Maximus VIII Hero
Intel i7-6700K 4.0GHz
16GB DDR4 Corsair Vengeance LPX
ASUS Strix GTX 1070 8GB
Samsung 850 EVO 500GB
Samsung 850 EVO 500GB
Seagate 1TB

I am playing the video on a 65" LG 8500
I am using HDMI 2.0 HDCP 2.2 capable 4K@60 HDMI Cables as well

I have checked the settings in VLC, everything else in 1080p plays beautifully, But as soon as I try and play back 4K content, blocky and unwatchable. I HAVE to be doing something wrong. Help!!

SCREENSHOT <img src="" border="0" alt=" photo 4K Issues_zpsmckxeoy6.jpg"/>

message edited by xfile102

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January 22, 2017 at 10:33:30
Looks like your video stream is missing data. Since the screenshot shows the video in the same corrupted state, the problem probably lies somewhere between the GTX and the EVOs. That, or the video file is corrupted.

Your video card should support hardware decoding, so make sure it's enabled in VLC.

EDIT: A quick search for 4K sample videos implied VLC has issues with H.265 encoding. Try MPC, preferably with C.C.C.P.

How To Ask Questions The Smart Way

message edited by Razor2.3

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January 23, 2017 at 07:02:08
✔ Best Answer
Razor2.3, as always, you are a pillar of wisdom and advice. Sure enough, with MPC and the CCCP, H.265 4K files play like a dream. I love VLC and am pretty loyal, but until they can update it for H.265 content, I will be using MPC.

I cannot understand why they have issues considering they built their own H.265 encoding tools. But thanks to you, the problem is fixed.

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