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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
  • 42LH55


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.

Help Library

    • Operation
    • Commercial TV, Desktop Monitors, Digital Signage, TVs
    [VIDEO] UltraWide Monitors – Split Screen Feature (2017 models and on)
    • Troubleshooting
    • TVs
    GameFly Streaming App termination on Smart TV
    • Troubleshooting
    • TVs
    Crackle TV App termination on Smart TV
    • Troubleshooting
    • TVs
    Unable to connect or play Netflix on webOS TV from mobile app
    • Troubleshooting
    • TVs
    QOOQ TV App terminated

Video Tutorials

LG Product Service and Support

Get your questions answered about product setup, use and care,
repair and maintenance issues. We can help.