Question about Gateway HD2200 LCD Monitor

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Same problem 2 seconds on, then turns black

Monitor HD2200 flashes the Gateway logo upon startup, then goes black. Occasionally, it will display the login screen for maybe 2 seconds and then go black again. It is less than a year old. It does NOT power off, the power remains on . HAVE A SOLUTION?

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The problem with the monitor is the power inverter board. I took my monitor apart and tested all the power outputs. The ones going to the main board where ok but the ones going to the backlight where different. I changed the three capacitors on the power board that where located between the two heat sinks I think it was the 1000uf and the two 470uf. They looked ok but when i tested them they where off. Next on the opposite side of the board with all the little componites there are a few dry joins that you have to resolder. If you cant find then you can just resolder the whole back board it should only take 30min. If you have no idea what i am talking about i would not sugest taking the monitor apart.

Posted on Jul 28, 2009

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I also had the same problem with the LCD powering up and then turning off. replaced all the caps, reflowed the whole power supply board, and tested voltages. turns out one of the CCFLs was bad. i temporarily swapped out the bad one with a laptop CCFL to test. lamps are reported to be 480mm X 2.6mm.

Posted on Jan 29, 2010

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Posted on Jan 02, 2017

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SOURCE: monitor goes dark after a few seconds

change your cables, there might be a problem with them though you may not see until you use a new different one.

if the problem continues, it will be the monitor that has to be serviced.

i would like to hear from you,

thanks,

wonder

Posted on Sep 18, 2009

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