A:Answer Yes, try new high speed cables.. You will need a ultra high speed hdmi cable with at least 18 Gbps(maximum bandwidth) or greater for your 4k bluray player. If you have an TV with eArc with hdmi 2.1, connection, there now appearing ultra high speed hdmi cables with 48 GBPs for Dolby vision and Dolby Atmos for 8k Tvs. For at least, 4k, try audioQuest- pearl or cinnamon ultra high speed cables.