Question about Dell UltraSharp 2405FPW 24" Flat Panel LCD Monitor
My monitor was working fine until one day I turn it on and it comes on for 5 seconds, all the while making this crackling noise, then it loses ALOT of brightness, to the point that I can't see what's on the screen without shining a flashlight directly on it. Turning it off and on doesn't work, I've checked to make sure all the cables are plugged in, and adjusting the brightness and contrast doesn't help. The computer still works as it always had, it's the monitor that's giving trouble. Anybody else had it happen?
I agree the inverter board is probably bad or in the process of going bad. check out www.lcdrepair.us they have installation videos on the 2405FPw as well as selling parts for all dell models.
Posted on Jun 21, 2008
The crackling noise will be the the inverter section cooking itself.
The power board is a BenQ manufactured part and this is common to a lot of LCD's.
Inside there are several small 8 pin IC's, one or 2 of these has possibly shorted out and died.
An easy repair, if you know what you are doing. If you are not familiar with the internals of an LCD though, I suggest you take it to a repair centre. The voltages inside can kill (even when it has been turned off)
Posted on Apr 08, 2008
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Posted on Jan 02, 2017
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