I have a Nikon coolpix b500 and my amazon reccomended SD card wont work the camera says the card cannot be used - how do I fix

Solution
Storage Media
SD memory card
SDHC memory card
SDXC memory card
You did not say how big is your card. It might happen your camera does not support UHS cards. Get something smaller, like 8/16gb, to test. You can also ask Nikon support whether your card is supported.