Question about Samsung LA40A450 40 in. LCD TV

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My Samsung LCD TV (40A450) 40 inch, when switch turn on after 2-5 second it turn off, no red light. when i remote to switch on then the red light is on and then press on again the lcd tv on after 2-5 second turn off again, keep repeat... it wont switch on more than 5 second. Pls help to solve this problem... tq

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Turn off the WiFi on the TV same thing happened to my 65" curve there is something wrong with the WiFi geek squad came out and determined that its the WiFi module which is on the motherboard and ordered another motherboard to replace, the TV is working fine with WiFi off.

Posted on Sep 21, 2014

  • Brad
    Brad Feb 19, 2016

    how can I turn OFF the wifi if tv won't stay ON? tried tv reboot with router OFF; even connected an ethernet cord to trump wifi, nothing:-(

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The capitors on the back might be bad this I have fixed on these tv's many times. That could be one of the problems and the capitors are on the power board inside the tv. If you do not know how to work on electronics I would have a pro do it they contain hight voltage so be careful if you try to fix it yourself.thanks

Posted on Oct 06, 2010

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