| Connection | Common Fixes |
|---|---|
| HDMI | Different cable / port / TV. Handshake fail = black screen + sound. Try 480p boot (above). |
| Component | Red/Green/Blue swapped? (Red video ≠ Red audio). Green=Y, Blue=Pb, Red=Pr. Audio separate. |
| Composite | Yellow=Video. Must be in Video In (not Component Y). TV may label "AV In". |
| VGA | Monitor only. TV VGA rare. Set Xbox → VGA in Display settings before switching cable. |
If 480p boot works but 720p/1080i fails: Scaler/HDMI encoder dying. Temporary fix: play at 480p. Permanent: reball/replace (pro) or upgrade to Series S ($299).