That's 0 zero burners, 0 hard drives and 1 stick of RAM (if that's what you mean with "memory card"). If that works (up to "can't find OS" or a comparable message) add the others one by one, starting with 1 hard disk and 1 CD/DVD-drive to install the OS.
Kees
Just put a computer together with 3 dvd burners 3 hard drives and 4 memory cards. everything hooked up but the power isnt coming on the power supply fan will light up for a split second and the yellow light on the mother board comes on but it would fully turn on what could be some solutions

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