Although the USB sockets on the laptop are black rather than the the conventonal blue for USB3, I looked up the specs of my E5570 and sure enough the three USB ports are USB3.
There is no data on the DVD device and as it's a cheap one I'm sure it's USB2.
But as you say (and I've checked on line) mixing USB2 & 3 just means data is transferred at the speed of the slowest thing in the data path.
I shall try to find someone with a Windows machine this week to see if the DVD works on that. If it does, ...
Although the USB sockets on the laptop are black rather than the the conventonal blue for USB3, I looked up the specs of my E5570 and sure enough the three USB ports are USB3. There is no data on the DVD device and as it's a cheap one I'm sure it's USB2.
But as you say (and I've checked on line) mixing USB2 & 3 just means data is transferred at the speed of the slowest thing in the data path.
I shall try to find someone with a Windows machine this week to see if the DVD works on that. If it does, ...
There is no data on the DVD device and as it's a cheap one I'm sure it's USB2.
But as you say (and I've checked on line) mixing USB2 & 3 just means data is transferred at the speed of the slowest thing in the data path.
I shall try to find someone with a Windows machine this week to see if the DVD works on that. If it does, ...
