Fix Video Won't Play — Missing Codec, Black Screen & No Sound

Last updated: January 15, 2025

Fix videos that won't play, show missing codec errors, display black screens, or have no sound. Covers VLC, HEVC codec install, K-Lite, and video conversion.

Overview

Video shows black screen, missing codec error, or no sound? Install the right codecs or use VLC to play any format.

What this helps with

What to expect: Easy difficulty • usually about 5-10 minutes.

This is one of 67 Software Issues fixes in the WindowsHelper library. The full step-by-step fix lives in the WindowsHelper app.

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