DVDRAM will not read data disks

I have a A215-S4697 with a HL-DT-ST GSA T20n DVDRAM. The drive will read CD and DVD audio and video disks. It will not read data disks. The driver says it is a CD-ROM. Is there a better driver I need? Has anyone had the same problem and found a solution?
Thanks

Cory K wrote:
Is the file open in Excel, or is it open because your VI is writing data to it somewhere in your code?
If the latter case is true, you can use a semaphore to ensure that a read and write operation are not trying to occur simultaneously.
The file is open in Excel.

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DVDRAM will not read data disks

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