MSI P35 Platinum series User Manual page 106

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(3) Reset Disks to Non-RAID
Select option 3 Reset Disks to Non-RAID and press <Enter> to delete the RAID
volume and remove any RAID structures from the drives. The following screen
appears:
Press <Y> key to accept the selection.
Important
1. You will lose all data on the RAID drives and any internal RAID structures
when you perform this operation.
2. Possible reasons to 'Reset Disks to Non-RAID' could include issues such
as incompatible RAID configurations or a failed volume or failed disk.
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