usb3.0

I have a sandisk 128gb USB3 thumb drive, I use it to store files for my enigma2 boxes, images ipk's etc. for use in desktop and laptop, this is my second usb3 drive both not recognised when inserted into desktop or laptop, it's annoying loosing my files, but not end of the world, anyway to fix...

got a passport drive that i plugged into the back 3.0 usb. i formatted it and mounted it. but seem a record option anywhere ? also a annoying niggle is when i go into the EPG the channel buttons change the epg to the next day instead dropping to the next set of channels i have keep tapping all...