The first thing to check is the locking switch on the side of the card, making sure it is in the upward (toward the contacts) unlocked position. If you've already tried this, or if the switch itself has broken off, there are several additional troubleshooting items for the problems of "memory card locked" or "memory card error". Please see the below Related Link "Simple Fix for Memory Card Locked / Error".
Drop it in water?
different companies' cameras take different cards. for example, Olympus cameras have their own types. by digital camera, do you mean compact camera, as dslrs are digital, hence the "d" at the beginning.
A Multimeter will tell you if a battery charger is working for a Canon digital camera. A Multimeter is an electronic measuring instrument that measures voltage and current.
Batteries die.
Digital Camera!
A Canon digital camera battery can be replaced by buying a Canon digital camera battery and putting the Canon digital camera battery in the Canon digital camera battery socket of the Canon digital camera.
at the digital camera factory!
A digital camera is hardware.
"Digital camera" is two words. "Camera" is a noun and "digital" is an adjective describing the camera. Neither word is a verb.
CANON SD950 it is my favorite digital camera
Kodak invented the digital camera.
depends on the camera. If It's a digital camera or if it's a professional comera