half of my pics wont d/l to computer wwhy?

[Docsm3]

Hi Im having trouble d/l pics from my comp chip from camera to the computer. Can any one help.I tried using a blank card nothiing..

 

[Docsm3]

MERGED QUESTION
Question from Docsm3 : "half my pics wont d/l to comp"

once in a while i have notiiiiced my camera didnt d/l half of my pics.now it doing it all the time.Tried new cards nothing...nikon cool shots