Hi to all...i recently bought a DVD burner of LG company...It burned a DVD with no error..but the problem is ..it took about 1 and 1/2 hour to burn a DVD...the software i used is NERO 7.5...i burned at 8x speed..normally it takes about 8 mins at that speed in my frens' computer... power supply(SMPS) in my fren's computer and my computer is exactly same(300Watt)...what may be the problem? ...