Hi ddub and Welcome to The Forum.
First I'd go into Device Manager and uninstall the DVD player, then re-boot. Windows should then "find" the new hardware. Then:
I know of some TSST drives that had firmware issues with 7, I'd check you have the latest firmware for your player. I discovered this after I'd placed an order for a Samsung dvd player which, luckily, was OK, but still had a firmware update.
http://www.samsungodd.com/eng/firmwa...fwdownload.asp
Here's a link to a "Live Update" program from TSST in case you want to try that out.
http://www.samsungodd.com/eng/firmware/faq/faq.asp
Attached is a "WinInquiry tool" that will show your current firmware, model number etc.
Hope that helps.