Capacitors - Fixing an LCD computer monitor

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Uploaded by on Apr 13, 2009

Some tips on why your LCD monitor or literally almost ANY electronic device might not be working. Often times, the culprit is dead capacitors.

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Gaming

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Standard YouTube License

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Uploader Comments (alecjahn)

  • JUST FIX THE CAPS REPLACE THEM TO MUCH CRAP TALKING

  • @TheRossd8981 Says the guy who's only video favorited is fixing his PS3 crappily and using a heat gun for like 5 straight minutes.

  • I have an old LCD that won't turn on instantly and it takes a hour or so to warm up. During this 'warm-up' period the power LED flashes off and on and there's a static sort of sound which disappears when it's up and running . In your opinion, do you think the capacitors could be what's wrong with mine?

  • @BSEmadcow I think there's a big chance it is just the caps. You've got a classic symptom.

  • my capacitor looks flat but has black ink like marking on it. do you think these capacitors are blown or do you think it came that way from the factory.

  • @mooserak I've seen them with marker on the top. If you have some rubbing alcohol, see if it will come off easily, in which case I would assume it is simply permanent ink from the factory.

Top Comments

  • The problem is obvious....birds shit all over the capacitors.

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All Comments (198)

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  • I have a sylvania sk2000w-b widescreen lcd monitor and for some reason it won't come on anymore. The green power light flashes on and off and the screen doesn't come on at all. I figured I was screwed but since my video card has HDMI out, I was going to just use my TV, but some of the games won't load, so I guess maybe this is the reason my screen won't come on. I have no clue what I'm doing so wish me luck lol.

  • I have some 450V capacitors in my LCD monitor. How long will it be charged when unplugged? can I just make a short circuit to make the voltage drop or is that a bad idea? Are these as bad as the ones found in old TVs?

  • i have about 6 lcd monitors...some with bad circuit board with no visible bad capacitor... some with broken lcd...but they are different sizes so i cant swap the screen.... but im happy already with the ones in was able to fix...1pc 24", 1 pc 22", 2 pcs 19"...all from garbage :D

  • Thanks for the informative video. This helped me out a lot. I've always been aware of this kind of operation, but have only recently had the opportunity to try it now. I was given a busted Dell LCD to fix and all this info came in handy as I've never soldered/desoldered capacitors before.

  • Why when i heat mine up w/ hair dryer it works w/in a 1-2 mins.???

  • it works for me. I was thinking about capacitor and then i search ur post and solve my problem. I get Capacitor from my Dead Computer mother board :D so i solve my problem free :D I use 16V 15000U. before it was 16V 10000U. now its working very good. Thanks and sorry for bad English :)

  • guess something else has gone rather then the capacitor i think its the transformer and i had another but it was ic chip that went bad and i cant find replacements for either so just gonna use the lcd screens for something else

  • My brother got a computer a few months ago but didn't get it set up until recently, it was working fine for about a week then the monitor started showing the no input screen when he would turn it on. It's some kind of Hp monitor, not sure what model. Does anyone out there know what the problem might be. He hasn't even had the computer a year yet

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