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I have an ACER AM5640 and it does not start. I replaced the power supply but still dead. No PST, no lights on keyboard. Nothing.

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Hi im rain ok it sounds like you may have a dead motherboard. acers are proned to motherboard failure. if the fan nore the led lights in front of your unit
are not working then you most likely have a dead motherboard. make sure all connections are correctly
seated. if so then your motherboard is most likely the problem. also check the power cord to insure that the cord is not the problem. further more try disconnecting the main power source to the motherboard wait 5 minutes to insure there is no ecsess power left in Motherboard. reconnect the main power connector back to motherboard and try booting up. if this fails then *********** board is the problem.

Posted on Nov 14, 2009

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a870c24.jpg

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