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Certifying a disc
For a UDF 2.0 formatted DVD-RW disc, you can apply disc certification to scan the
disc and check if there is any problem. The certification process marks bad sectors
to improve future writing reliability. On DVD-RW burners that support DRT-DM
(Distributed Real-Time Defect Management), the certification process also moves
the data in the recoverable defected sectors (DRT-DM Level-1 and Level-2 defects,
if any) to healthy sectors to further improve data reliability.
To certify a disc, click
and then click Start.
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