Fix GPU Visual Artifacts, Graphical Glitches & Flickering
Last updated: January 24, 2025
Diagnose and fix GPU visual artifacts including colored blocks, texture corruption, screen flickering, and pixel dots. Covers DDU clean driver install, temperature diagnosis, overclock reset, VRAM…
Overview
Seeing colored blocks, corrupted textures, or screen flickering? This guide diagnoses whether it's a driver, overheating, overclock, VRAM, or cable issue — then fixes it.
What this helps with
What to expect: Medium difficulty • usually about 15 minutes.
This is one of 64 Gaming & Entertainment fixes in the WindowsHelper library. The full step-by-step fix lives in the WindowsHelper app.
Coming soon in the app
The full step-by-step fix for this lives in the WindowsHelper phone app — coming soon, no price announced yet. The free PC Companion (available now) is the piece that connects your phone to your PC.
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