Q: my computer wont charge and it says contamination in the power source.  what is wrong with it

leShea wrote:

 

my computer wont charge and it tells me their is a contamination in the power source. What is wrong and what do i do? The light is trying ro come on the charger, but its really dim

tells me their is a contamination in the power source,  how is it telling you this?

Apple Portables: Troubleshooting MagSafe adapters:

http://support.apple.com/kb/TS1713

Try and AC Reset of the chrager and an SMC on the mac