2–3 minutes.
⚠️ A Factory Reset will erase all your settings, saved Wi-Fi passwords, LG account logins, and installed apps. It will revert the TV to its original out-of-the-box state. If you just want to clear temporary glitches without losing data, skip to Method 1. How to Hard Reset LG 43LK5900PLA
Confirm the action and enter the (Default is usually 0000 or 1234 ). The TV will restart and begin the initial setup process. 2–3 minutes