Hi! I have a similar problem. Have you found a fix? See my thread http://forum.tp-link.com/showthread.php?107088-Archer-C9-USB3-and-HDD-Issue&p=237012#post237012

Hi! I have a similar problem. Have you found a fix? See my thread http://forum.tp-link.com/showthread.php?107088-Archer-C9-USB3-and-HDD-Issue&p=237012#post237012

Plugging My Book Duo into the USB2 port, Archer C9 recognizes the external hdd, but can only read one of the volumes. Disc-1 is correctly identified, but the other is labelled as EFI with only 178Mb...

Model : Archer C9(EU) Hardware Version : 4.0 Firmware Version :1.3.1 Build20171215 rel.35219(4555) I have just purchased the Archer C9 with the aim of making my home data available to the family, but...