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Product Support

Receive help on your LG product

Check out the latest information related to this product.

  • TV/Audio/Video
  • TVs
  • 42LB5550


Warranty Information Labor 1 Year / Parts 1 Year More
If you need Repair Service, submit an online service request. Request a Repair

Manuals & Documents

For the most accurate technical information regarding features, specifications, installation and operation of your LG product, please refer to the Owner's Manual and other documents available for this product.

If you don’t have the viewer program, click the link to download it.
  • Owner’s Manual

    The Owner’s Manual offers pertinent product information.
  • User Guide

    This manual is a document that describe the usage for the product.
  • Specification

    Specification is a detailed description of the criteria for the constituents, construction, appearance, performance, etc.
  • Additional Link

Help Library

    • Troubleshooting
    • TVs
    YouTube Kids VOD service launch
    • Troubleshooting
    • TVs
    webOS 2.0 TV SmartShare™ – PLEX Media Server App
    • Troubleshooting
    • TVs
    HDR Gaming video input lag
    • Troubleshooting
    • TVs
    Amazon Prime Video Service - webOS Smart TV
    • Operation
    • Desktop Monitors, TVs
    FPS Game Mode – Picture optimized (first person shooter game)