LCD/LED TV Repair Secrets - Dark Spots on the Screen

What to do when dark spots appear on your LCD/LED TV screen and brand new boards don't fix it. Reality video designed to help someone troubleshoot this problem for the very first time. Clearly shows what the problem is, how to identify replacement parts, and how to find them.

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[gregcollins]

Just finished replacing the LED strips in our LG 49LF5500 TV. Your guidance was exceptional. The TV works perfectly now. I bought the LEDs on ebay and the cost was a little more - $38. Thanks again!

[gregcollins]

We have a 49" version of this same TV and have this problem. We were talking replacement but after watching your video I am definitely going to give this a shot. Thanks for the great video.

[msmisty]

I went down this rabbit hole with you I must say I was impressed at your patience during the process. I just wish you were my neighbor I’d let you fix mine.

[Popeyes]

Thanks Lawrence.
Your voice is unique.
You would be a great audiobook reader.
Your videos are produced well with easy to understand explanations.

[dannythebeerman]

I appreciate your mid video edits advising viewer what minute mark they can advance your video if they don't necessarily want to see disassembly. You are very considerate and I'll look to watch your video's.

[mariannepina]

Great, clear video. It was a long take-apart but really helpful for those who haven't done it before. Like the cat, too! 🐱

[BubbaMax]

Thank you. I got the answer I was looking for. My TV is 6 years old and we have 2 LEDS out. My concern in replacing them was the probability that more would go out soon after. Time for a new TV it appears. Thank you.

[Freddyisme]

Mine has shadow in upper right corner, just hate this but I'm glad you did this video

[dieselhead]

Very informative and clear. Thank you.

[dadasese]

Thanks. It is not only are made to be trashed and not environmentaly friendly, but to make profit for someone ipaid well enough to make these to drive a porsh car around!

[David-yylb]

I have a 65" flat screen with the bottom left corner is darkened but the tv is just 4 years old WTF but get this I still have an old 1986 GE CRT tube TV and it still works til this day ....nothing is made these days to last everything is throw away and buy another...I bet no flat-screen will last 38 years and counting

[mamabearof]

I loved your video and found it clear and concise. I was ready to take apart my parents TV. When I went to their house and tried the TV it was indeed spotty on one side. I reset it to see if that would work first. I then experienced the TV flashing, the entire screen all LED working like normal but whole screen flashing(not a flicker) How can bad LEDs flash? Is it still the LEDs? Now I’m perplexed.

[mastaboog]

Sadly my TV is getting to be in similar shape and i suspected this to be the issue. I got a mid level samsung 47" maybe 3 or 4ish years ago, i never have luck with the big ones, i have 2 32 " i bought 10 years ago cheapo vizio that still kick and look great!

[judyq]

This is amazing. Could you list the tools used because I would need to make sure I have the tools. I do have a screw driver. I’m a quick learner I’m sure I could do it!

[daistarr]

That seems like too much work. It's sad that you can't find tv repair shops anymore 😢

[alan]

This is an interesting video and helpful to some extent but after reading some of the comments it seems like ordinary people who are not skilled in this would end up breaking TV parts trying to get it apart. It seems rather difficult to me. Especially the screen is like 70"

[GameFanaTICK]

LG UH6500 is doing this, and mine is from 2016. I need tp get it fixex because its one of the last 3D 4K tvs and i enjoy watching 3D movies and can't let it go. 😢

[GraveDweIIer]

Thank you for the video.
I have this problem with my tv that happens every week and I can fix it by changing the display mode.
I read above someone had this issue after a thunder storm and it went away so its a power issue.
Since mine gets fixed after I change display modes could it also be a power issue? The tv is just out of warranty.

[General_Flores]

Ive got a Sharp Roku TV and ive been noticing some very brief and minor flickering as if late, but as of using it right now it seems ti have just developed a nice thick horizontal patch that us definitely darker than the rest.

[shepherd]

I sent my TV (LG 42LB65) to be fixed by an LG-certified repair center here in Egypt. The backlight strips were replaced, but instead of bright white spots, there are slightly dark spots, which can be noticed in video games with large bright uniform scenes. In other words, my problem was mitigated, not completely resolved. When I called the maintenance shop, they told me this is due to the fact that the components of my TV (especially the power supply) are old. I bought the TV, as far as I remember, on 2/2/2015, making the TV over 8 years old at the time of repairing (late May 2023).

The weird thing is that the sightly dark spots are there despite the backlight being very very bright. Moreover, on some contents colors seem to be "washed out"; too much pale color on the screen, especially YouTube videos.

Several technicians I know tell me different things, but most notably that it might be an issue with the quality of the LED backlight strips. The strips I installed are not a genuine kit produced by LG, but a Chinese one. The repair shop told me that the genuine backlight kits are far more expensive and are not available; all those who claim to sell genuine Korean LED backlight strips are lying.

I need help, can this issue be 100% resolved? Can this issue persist due to the TV being old? I want to fix the issue 100% and have my TV like new again. Do you think someone here is lying to me?