Samsung TV & Audio QN55LS03BAFXZA 55" Class The Frame QLED 4K Smart TV HALF SCREEN DARK Error Fix: Half of Screen Dark or Missing

Error code HALF SCREEN DARK on the Samsung TV & Audio QN55LS03BAFXZA 55" Class The Frame QLED 4K Smart TV means: Half of Screen Dark or Missing. One half of the screen is completely dark, dimmer, or showing incorrect colors. Indicates failure of a ribbon cable connection between T-CON and panel, a partial backlight strip failure (LED-based TVs), or a failed gate/source driver section. Check and reseat ribbon cables between T-CON and panel. On LED/QLED TVs, backlight sections can fail independently. On OLED TVs, half-screen failure typically indicates a panel-level fault.

The most successful fix is "Replace T-CON Board or Backlight Strip" (hard difficulty, ~60 minutes). Estimated DIY cost: $50-$100. HomeMD has 2 community-ranked fixes for this error.

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Yes — the top-ranked community fix ("Replace T-CON Board or Backlight Strip") is rated hard difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Plastic pry tool, Anti-static wrist strap.

DIY cost: $50-$100. Professional repair typically costs $200-$350. Many homeowners save money by trying the top-ranked community fix first.

The Samsung TV & Audio QN55LS03BAFXZA 55" Class The Frame QLED 4K Smart TV has 8 other known error codes, including: 2 BLINKS (Power Supply Board Fault), 5 BLINKS (LED Backlight / Driver Protection Shutdown), 6 BLINKS (Main Board / T-CON Communication Failure), ANYNET FAIL (Anynet+ (HDMI-CEC) Not Working), APP CRASH (App Freezes or Crashes), and 3 more.

Error code HALF SCREEN DARK also appears on 4 other Samsung TV & Audio models: QN65Q80CAFXZA 65" Class Q80C QLED 4K Smart TV, QN65QN90CAFXZA 65" Class QN90C Neo QLED 4K Smart TV, QN65S90CAFXZA 65" Class S90C OLED 4K Smart TV, UN55CU8000FXZA 55" Class CU8000 Crystal UHD 4K Smart TV. The fix may vary by model, so check each model's specific page for tailored repair steps.