optio m50 driver

have a optio m50 now cannot find driver to enable upload from camera any ideas please

Using a card reader is probably the most efficient way to go.

As it's "USB mass storage compliant" you should be able to set the USB mode (in the menus somewhere...) to "PC" rather than PictBridge, connect it to a PC, and it should be recognised as a USB drive. From there you should be able to view, move, copy, drag/drop etc.