I have a GSA-H21L that came with my HP computer, after upgrading to Vista the drive won't recognize a blank DVD or CD when I want to burn something, it acts as though the drive is empty. This is with a few different programs I've tried, Sonic, Nero, nothing works. Everything was fine with Win XP before Vista. Any other disk is fine and can be read, such as games, programs, etc. Is it something that I'm going to have to wait for an updated firmware or driver to fix? Also, is this update going to come from HP, because I went to the LG website and I can't find anything on an H21L writer, I'm thinking it's because it's an OEM drive. Thanks in advance for any help.