WiiHateErrors

i really hate my self for doing this, i accidentally plug the wrong power supply for my external disk drive (i use the PSU which output is12v~ 1000mA and take power from wall electricity, the wrong PSU model is MWA41-1201000GS if necessary) right after i plug it, the drive ejects, but when i close it, the lid wont hold it, it keeps ejecting,it wont read disc,and sometime making click-clack sound from the lens, the drive is also overheating when plugged in... why's that ?? i plug the PSU for less than 10seconds, im dessperate, anybody help me