Reading a disc should not require that much power from a slim (aka mobile) drive that would require two usb ports.
Does the dvd filesystem become visible (is drive D: it)?
Only visible when there aren't any discs inserted it seems to drop form device manager when dvd is inserted.
I have a Y cable arriving tomorrow anyway as Asus Dosc mentiones connecting by Y cable which wasn''t provided.
It seems very intermittent indeed, what I didn't;t know before purchase is there are lots of Win10 probs.with the Asus writer -inlcuding unable to play DVD's.