I have many times tried restarting with the device attached and not attached, but the result is the same - no results.
The device is a mobile phone. It can take a memory card but it's the phone's internal memory I'm after.
I can switch the phone's PC connections between Media Player mode and Mass Storage mode, but the results are the same - and in both cases that is whether I do or don't have a memeory card present.
In Device Manager /Properties/Details, there are so many values present, I can't list them all and they mean nothing to me.