SCREEN FLICKER
LG TV & Audio · 86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV
Entire screen or portions flicker, flash white/black, or rapidly change brightness. Can be caused by failing backlight LEDs or LED driver, loose LVDS ribbon cables, failing T-CON board, signal interference, or incorrect energy saving mode. Disable Energy Saving: Settings → General → Energy Saving → Off. Try different inputs to isolate.
Error SCREEN FLICKER on the LG TV & Audio 86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV means: Screen Flickering or Flashing. The top-ranked community fix is “Inspect and Reseat LVDS Ribbon Cables and Test T-CON Board” (medium difficulty, ~45 min, DIY cost: $0-$10). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · tv
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many tv repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $150-$300.
tv · 2 fixes
tv · 2 fixes
tv · 2 fixes
tv · 2 fixes
tv · 2 fixes
tv · 2 fixes
App Freezes or Crashes
Audio Out of Sync with Video
Backlight Bleeding / Clouding
LED Backlight Strip Failure — No Picture
LED Backlight Strip Physical Failure
Horizontal or Vertical Banding
Power Supply Overcurrent / Short
Main Board Failure
The LG TV & Audio 86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV has 8 other known error codes:
Error code SCREEN FLICKER also appears on 6 other LG TV & Audio models:
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