Emac shut off during use, and wont turn back on

the other day my emac shut off, it wont come back on. any ideas or insight? im having to use my old PC wich only works in safe mode and that is a major bummer.

If the Mac appears to be completely without power or any response at all, first make sure the surge protector / UPS / outlet it's plugged into os actually providing power. Then reset the eMac's switching power supply by removing all peripherals other than the keyboard and mouse, then removing the power cord from the side of the eMac (to remove the trickle current drawn by modern electronics even when nominally off) and waiting 15+ minutes. Then reattach the power cord only and see if the Mac will Start Up in Safe Mode (be warned that Safe Mode takes significantly longer than usual to start up as it runs a faceless version of Disk Utility to check the har drive --- it can take better than 15 minutes depending on the size of your hard drive).

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