power hand over problem

i have iball model:LPE 223-400 ATX switching power supply with Ac input 230 VACATION 50/60 Hz. and i had optical media of HL_DT_ST DVDRAM GH24NS70 ATA device made from vendor LG. just i purchased 2 months agone, now the probelm is DVD optical media is not working properly. power supply is ok....

Source: http://www.techsupportforum.com/forums/f210/power-supply-problem-629166.html