Hi, I got a Lite-On DVDRW SOHW-1673s I am having problem with it; it is running at PIO mode instead of UDMA4 which was before. I took this DVD-RW and plugged into another computer to install certain stuff, after I got it back I plug it back to my computer like I used to but now it is reading PIO instead of UMDA4, did anyone come across this problem before?