keeps reading dvd blank

was burning a dvd-r with alcohol 120% when it hung up so i closed it with task manager  restarted and it hung up didn't load windows just black screen then hard restart (held power till it shut off) restarted diag screen came up and pressed continue with regular startup dvd drive light came on and stayed on (with same blank dvd-r)restarted and pressed f8 to restart with last known good configuration light still stayed on like it was trying to read blank dvd started multiple burning programs all said no blank media in drive, dvd dycrpter said incompatable media tried different media (4x, 2x , imagination) will burn cds and read wont read or write dvds

xps with sony dru-530a with latest firmware

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