As bingeciren said, your MacBook will not support El Capitan. The max OS is 10.7.5.Would you be able to point me in the right direction for installing El Capitan? I've got a 2008 Macbook 4,1 (Black) running 10.7 with 4Gb of Ram, and plan on installing a new SSD this week. I've scoured these forums, but don't really see a clear answer on what works and what doesn't.
Here is some details about your MacBook.