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HP Recommended
ZBook Studio G4
Microsoft Windows 10 (64-bit)

When I have two USB-c drives connected, I can only use one dirve at a time. One drive will always drop out while copying.

If I disconnect one drive all is fine, I can swap over the drives, connecting to one USB-c socket and again alls fine. Connect both, one drive will fail to copy properly. it stops copying after a few seconds

Tested drives all Ok they both run on other Pc's ok

Upated USB hub drivers from HP support, still the same fault

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