Gateway dx4200 power supply

HHT-04

Distinguished
Jan 10, 2011
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18,510
Hello, I have a gateway dx4200. computer shuts down have to unplug AC, wait 15 seconds, replug AC into computer, hit power sw. computer boots. This worked for awhile, computer is dead and the power switch dosen't light up when depressed. Is it power supply or MoBo?