I bought a new phillips dvd-r drive i connected it without any problems, at first it worked perfectly and did everything i needed it to do, but then i had to re open my computer and take my other drive out. when i turned my computer on after this my new drive was not there, i opened my computer and it didnt have my new drive there anymore, and i tried to do the add new hardware wizard but it said no new hardware found. please help me.