yup, think i burnt something to....
this is the psu http://i.ebayimg.com/t/MONACOR-AC-DC-Power-Supply-Netzgeraet-PS-1612-12-V-/00/s/MTIwMFgxNjAw/z/BLMAAMXQhpdR2tCF/$(KGrHqIOKosFG8kPDcbjBR2tCEReWw~~60_35.JPG
but since that first problem, macbook and board keeps powering off when external source and usb power are applied to the board with each adaptor i have lying around...