i have LG dvd dr275.I used laser cleaner,which had two small brushes on disc.after useing this the dvd will not initialize or finalize ,or record .i had no trouble before useing the cleaner disc.I have tried resetingmij the dvd,and reprograming ,but will not respond.can it be cured.I have discs that still need to be finalized very important.

mij., October 2009