PS2 No Signal on Modern TV: Fix Guide
Why your PS2 shows no signal on modern TVs and how to fix it — component cables, color space settings, and HDMI adapters.
Wii2HDMI Not Working? Fix No Signal, Black Screen, and Flickering
No signal, black screen, or flickering from your Wii2HDMI adapter? Here are the actual causes, in order of likelihood, with fixes for each.