Ask the DoctorAsk the Doctor: A Two-PSU Kind of Day

Ask the Doctor LogoMy Tagan TG900-U96 Turbojet 900-watt PSU recently burned out. I returned it, but it was no longer being supported through the third-party vendor I got it from. The vendor sent me an Apevia Warlock 900-watt PSU to replace my Tagan. I swapped it out, but now when I turn on the computer it won’t boot all the way. I get power lights, and the keyboard and mouse light up, but the monitor never kicks on, nor do the other connected peripherals (external Zip drive, printer, and scanner).
What could be going wrong with my computer? I never had this happen with the Tagan. Could something have been corrupted when the original PSU died?

—Ben Locke
Click for Ben's answer, after the jump!

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PSU, 900w, Tagan, turbojet, apevia, warlock, 900-watt
FeaturesWhite Paper: Power Supplies

There’s a lot going on inside a power supply—and no, the magic gnomes that turn your lights on when you hit that switch on the wall aren’t powering your rig as well.

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power supply, PSU, white paper, r&d
FROM THE ARCHIVEThe Problem with Crappy Cases

Big power supplies demand forethought from case manufacturers. What cases will accomodate 850W PSUs?

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case, power supply, PSU
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