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xXSmooveSXx
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04-14-2016, 01:03 PM
#1
I purchased three used Fujitsu Esprimo p556/e85+ machines yesterday. None of them are powering on when the power button is pressed. There’s no fan noise or movement, and the mainboard is labeled D3400-A11. All power supplies activate their fans and supply 12V when connected to ground. I tested various RAM modules in different slots, even though the manual suggests only one stick per slot, and also without any RAM installed. Still, there’s no indication of life. The power button functions on all units (verified with a multimeter), and shorting the mainboard pins caused no visible issues. What might be causing this? I’m not sure if I’ve missed something. It seems unlikely all three are completely non-functional at once.
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xXSmooveSXx
04-14-2016, 01:03 PM #1

I purchased three used Fujitsu Esprimo p556/e85+ machines yesterday. None of them are powering on when the power button is pressed. There’s no fan noise or movement, and the mainboard is labeled D3400-A11. All power supplies activate their fans and supply 12V when connected to ground. I tested various RAM modules in different slots, even though the manual suggests only one stick per slot, and also without any RAM installed. Still, there’s no indication of life. The power button functions on all units (verified with a multimeter), and shorting the mainboard pins caused no visible issues. What might be causing this? I’m not sure if I’ve missed something. It seems unlikely all three are completely non-functional at once.

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