didn't seem to work that well.

The sound quality is much improved as well

"cleans good

excellent cleans well

"cleans good

cleans good. if anyone purchases this and you have not cleaned you unit in quite some time, you will have to repeat cleaning at least 4 times to notice any difference.

After you clean your burners or players or whatever you own, it even works on all gaming and non gaming laptop computer systems as well as all desktop dvd and blu-ray burners as well too!!!!!!!!!!