Why is my DSM‑520 not recognising my USB hard drive or flash memory drive (e.g. USB flash drive)?

If your DSM-520 is failing to detect a USB hard drive orflash memory drive attached to the port on the front, please switchthe DSM-520 off, then power it up again with the USB drive alreadyattached.

You should now be able to view the files stored on thedrive.

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