Can't get my pictures off my camera anymore

When I try to get my pictures off my camera once I pluged it into the computer a box use to pop up and let me get my pictures but now it doesn't do that and when I go to my computer the f drive, which is where they usually are has a red explamaion point on it?

Any idea's

Thanks

Betsy:cry

 

reinstall the drivers for the camera...or get a 6in1 card reader at wallgreens for 15$ and screw the camera drivers. i prefer the 2nd option anyway. i lost the cable for my camera the day i bought it. lol