Symptoms
- Screen flickers or flashes briefly and repeatedly
- Flicker worse during motion or bright scenes
- Picture drops out for a split second then returns
- Flicker changes when moving the HDMI cable
Likely causes
- CommonLoose or partially disconnected HDMI cableA cable that isn't fully seated can cause an unstable signal.
- CommonHDMI cable not rated for the resolution or refresh rate in useSignal can intermittently drop with an inadequate cable.
- PossibleTV or console set to an unstable refresh rate for that displaySome higher refresh rates aren't fully stable on every TV.
- PossibleFaulty HDMI port on the TV or consolePhysical damage or wear can cause an intermittent connection.
- Less commonTV's variable refresh rate or motion feature misbehavingSome advanced picture features can cause flicker with certain sources.
What to do
- Firmly reseat the HDMI cable at both the console and TV ends.
- Try a different HDMI cable rated for high speed and the resolution you're using.
- Test a different HDMI port on the TV.
- Lower the resolution or refresh rate setting on the console to see if flicker stops.
- Turn off variable refresh rate or advanced motion features on the TV temporarily to test.
- Test the console on a different TV or monitor to isolate whether it's the console or the display.
- If flicker persists on a known-good cable, port, and TV, the console's HDMI output may need repair.
Tools and parts
High-speed HDMI cableSearch: “HDMI 2.1 cable 4K 120hz”
When to call a pro
If flickering continues on a known-good cable, port, and separate TV, have the console's HDMI output checked by a repair shop.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.