LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV ERROR 106 Error Fix: Network Connection Failed

Error code ERROR 106 on the LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV means: Network Connection Failed. The TV failed to establish a network connection. The Wi-Fi or Ethernet link is down. Check Wi-Fi password and re-enter. Verify the router is broadcasting. Move the TV closer to the router or use a wired Ethernet connection. Reset network settings: Settings → Network → Reset Network Settings. Power cycle the TV by unplugging for 30 seconds.

The most successful fix is "Replace TV Wi-Fi Module or Ethernet Port" (medium difficulty, ~45 minutes). Estimated DIY cost: $20-$30. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace TV Wi-Fi Module or Ethernet Port") is rated medium difficulty and takes about 45 minutes. Tools needed: T20 Torx screwdriver, Plastic opening tool, Multimeter.

DIY cost: $20-$30. Professional repair typically costs $140-$200. Many homeowners save money by trying the top-ranked community fix first.

The LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV has 8 other known error codes, including: APP CRASH (App Freezes or Crashes), AUDIO SYNC (Audio Out of Sync with Video), BACKLIGHT BLEED (Backlight Bleeding / Clouding), BACKLIGHT FAILURE (LED Backlight Strip Failure — No Picture), BACKLIGHT STRIP FAIL (LED Backlight Strip Physical Failure), and 3 more.

Error code ERROR 106 also appears on 6 other LG TV & Audio models: 75NANO75UQA 75" Class NanoCell 75 Series 4K Smart TV, 86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV, OLED55B3PUA 55" Class B3 4K OLED Smart TV, OLED65C3PUA 65" Class C3 4K OLED evo Smart TV, OLED65C4PUA 65" Class C4 4K OLED evo Smart TV, OLED65G3PUA 65" Class G3 4K OLED evo Gallery Edition Smart TV. The fix may vary by model, so check each model's specific page for tailored repair steps.