I have a Dell Inspiron E1505 and upgraded to Windows Vista, around the same time my CD/DVD drive stopped reading CD's that work in other computers. I decided that I didn't like Vista that much and went back to XP, but the still have the CD drive issue. I recently reformatted my HD and the CD drive had no problem reading the Windows XP CD. I've looked around a bit as to what the problem may be and read that it might be a bad optical drive? I'm not too sure what the problem may be and looking for some help. On the device manager the drive is listed as a "SONY DVD+-RW DW-Q58A" if that helps at all.