Complete Dead - How To Check Power Supply Vs Logic Board
System is normally on since purchasing new in December 2012. Was working fine yesterday morning but when went to use it last night it was dead. Completely dead - no startup chime no LED on front no sound whatsoever. Took the bottom circular twist cover off and a significant amount of dirt in there. Pretty much a matt filling the circular cover. Disconnected all peripherals and plugged into a known working outlet. No sound, no fan, no HDD, no LED. I suspect either power supply or logic board but open to other ideas. How can I approach this methodically? Can I test for voltage on a power supply cable? (If so, which one, which terminals?)
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