: Using an HDMI 1.4 cable instead of HDMI 2.0+ can limit 4K output to just 30Hz or lower, causing visible choppiness. Step-by-Step 4K Fix Guide 1. Optimize Media Player Settings (VLC Example)

: Older CPUs or GPUs may lack the power to decode HEVC (H.265) video in real-time.

If your video is lagging or skipping, adjust these internal settings to prioritize performance: