Sony PCG-FXA63 Manual
Troubleshooting Floppy Disk Drives
Why is the drive unable to write data to a floppy disk?
instructions on how to insert the disk properly.
If the disk is inserted properly and you are still unable to write data to it, the disk may be write-protected. You can either
use a floppy disk that is not write-protected or disable the write-protect feature.
use a floppy disk that is not write-protected or disable the write-protect feature.
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