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If your LG TV has a black screen, start with a power reset—not a factory reset. Unplug the TV, hold its physical Power button for about 10 seconds, reconnect it, and turn it on. A factory reset requires a working on-screen menu and erases apps and personal settings, so first check whether the TV can display an overlay and whether the problem is an input, connected device, or cable.

Try a power reset without using the screen

LG’s no-picture/no-sound troubleshooting sequence uses the TV’s physical controls, so you can try it even when you cannot see the menu. This power reset is different from restoring the TV to factory settings.

  1. Disconnect the TV’s power cable from the TV or the wall outlet.
  2. Press and hold the physical Power button on the TV for about 10 seconds.
  3. Reconnect the power cable and turn on the TV.

These steps follow LG’s no-picture and no-sound troubleshooting guidance. If the screen is still black, use the clues below before considering a menu-based reset.

Use on-screen clues to check the source

See whether a volume bar appears

Press a volume button on the remote. If the volume bar appears, the TV can display an on-screen overlay; investigate the connected device, selected input, and cables before assuming the TV itself needs a factory reset. If no overlay appears, LG says the issue may be with the TV.

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Check for “No Signal” and inspect HDMI connections

If “No Signal” appears, confirm that the TV is on the input connected to your device and that the device is powered on. Disconnect and securely reconnect the HDMI cable at both ends. A loose HDMI connection is one possible cause of a dark picture, but LG does not describe buying a new cable as a general fix; consider replacement only if the existing cable appears damaged.

For additional checks, see LG’s guidance for a dark or dim picture.

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Choose the right kind of reset

LG describes three different reset actions. Their usefulness depends on whether the screen and menus work and whether the symptom suggests a settings problem rather than an external connection or possible hardware fault.

Reset Can you use it with a black screen? What it changes When it makes sense
Power reset Yes; it does not require menu access. Power-cycles the TV; it is not a factory reset. Try it first for no picture or no sound.
AV reset No, if you cannot see and use the on-screen interface; availability and shortcut vary by model. Restores picture and sound settings. Consider it when menus work and picture or sound settings may be involved.
Factory reset No; it requires access to on-screen settings. Restores initial settings and removes installed apps and personal settings or saved data. Use it when the menu is usable and you intend to erase the TV’s configuration.

LG’s instructions for factory resetting an LG TV and performing an A/V reset vary by model and webOS generation. An AV reset is not a way around an unusable display.

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Factory-reset menu paths by webOS generation

If the picture returns and you can navigate the menus, LG’s U.S. guidance lists these paths. The wording can vary for particular models, so consult the manual for your exact TV if you do not see the stated options.

TV generation Menu path
2021 and newer Settings → All Settings → General → System → Reset to Initial Settings
2020 (webOS 5.0) Settings → All Settings → Support → Reset to Initial Settings
2019 and older Settings → All Settings → General → Reset to Initial Settings

These paths are from LG’s generation-specific reset instructions and reset guide. Some newer models offer a reset option that preserves network settings. Read the choices shown on your TV before proceeding.

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Before you confirm

  • A full reset removes installed apps and personal settings or saved data.
  • Do not unplug or turn off the TV while the reset is in progress.
  • If the menu path differs, use the instructions for your model rather than guessing through settings.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

When to contact LG support

If the TV remains on with a blank screen and shows no messages after the power reset and basic input and cable checks, a factory reset is not a dependable next step: it requires a usable menu and does not establish that a hardware fault will be repaired. LG says a persistently blank screen may need professional inspection. Contact LG Customer Support for guidance.

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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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