Direct answer
A lit power indicator with no picture can be an input problem, a failed HDMI path, a backlight/display fault or a device that never finished starting. Separate on-screen menus from external video first.
What this covers
- The observed symptom matches this record
- Customer-accessible settings, connections and external components
- Diagnosis before reset, deletion or component replacement
What it does not cover
- ×A model-specific error code with a different documented meaning
- ×Internal electrical, battery-cell, gas, refrigeration or sealed-component repair
- ×A guarantee that every model exposes the same control label
Capture the exact symptom
ReversiblePress the TV menu or volume key in a dark room and look for any overlay or faint image.
Run the smallest isolation test
ReversibleDisconnect every HDMI device and test the TV home screen, then test one known-good source and cable on one input.
Correct only the proven cause
ReversibleCorrect the selected input or cable only if the TV menu itself is visible; a missing menu or faint flashlight image points to TV hardware.
Verify before changing anything else
ReversibleConfirm the TV menu and one direct HDMI source remain visible after a full restart.
Evidence ledger
Sources behind this answer
Visible sources support the visible claims. Home Product Support records the publisher, the fact used and the review date; community reports can suggest an issue but do not become a published fact on their own.
Exact questions
Common follow-ups
What should I check before resetting anything?+
Press the TV menu or volume key in a dark room and look for any overlay or faint image.
What is the safest isolation test?+
Disconnect every HDMI device and test the TV home screen, then test one known-good source and cable on one input.
When should I stop troubleshooting?+
Unplug and arrange service for smoke, clicking with no start, cracked panel or a screen with sound but no backlight.
Answer for the exact device and software version shown above.