If you are sure that it is not the computer;
It can be the camera or the cable.
Getting a new USB cable may or may not fix the problem.
You could always buy a card reader.
Since you camera can handle two types of cards, be sure to get a 6-in-1, or 7-in-1 card reader.
...
..
.
Please can anyone help - my usb cable from camera to PC will not download my photos anymore - it is definitely the fault of the camera rather than PC - but it worked perfectly well then caput - will I have to purchase new cable - this camera was bought in UK and I now live in Mexico!
Many thanks in anticipation

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic