I'm very annoyed at myself for not being able to solve this one on my own. It is a little embarrassing for me as I'm the one who is supposed to 'know' and the one who generally fixes other people's computer problems!
All of a sudden my DVD / CD drive is not working and its presence in the device manager is marked with a yellow exclamation mark. Furthermore, I have a SanDisk USB memory stick drive which is behaving in exactly the same way when plugged in to any USB port. My usual recourse in such an event is to uninstall the device, scan for new hardware and install drivers - so easy - but it's NOT working!
Can anyone help me with my embarrassing problem