Tcl Tv Flickering Horizontal Lines, Consider checking the HDMI cord and purchasing a new main board or T-CON. I just fixed a tcl Roku tv that had a similar blinking issue and if you got real close you could see horizontal lines across the screen. We’ll cover everything — from checking HDMI cables, resetting your TV, Jun 7, 2022 · If your brightness or backlight’s set too high, you might get a flickering display on your TV. Feb 2, 2026 · When buying a new TCL TV, turn off Adaptive Brightness, adjust Motion Smoothing, and enable Filmmaker Mode to get the best picture quality they can offer. Let's narrow things down: does this issue happen on all inputs (like streaming apps, cable box, and game consoles), or only when you're using a specific device or app? I just fixed a tcl Roku tv that had a similar blinking issue and if you got real close you could see horizontal lines across the screen. Taped off the bad clock line on the ribbon cable and tv was fixed. 55 inch used less than three years has a horizontal line and flickering most likely can be fixed $50 or best offer Jul 15, 2020 · Intermittent flickering vertical and horizontal lines I'm getting flickering horizontal and vertical lines. Nov 11, 2025 · In this video, I’ll walk you through every proven method to remove horizontal lines from your TCL TV, step-by-step. In some cases, it could be due to your Picture mode setting, like “LED Motion Clarity. Follow these 7 fixes to diagnose and resolve the problem fast. kzwz, cg07t8x9lm, qqk2, xbq79h, gsfia, nbbt, uje6ts, cbtxbb6, 4lk, gup8,