Very Easy

My Problem

My WiFi wouldn't work if i got more than 10ft from my router, and my computer would overheat and shut down.

I figured a new WiFi card would fix the distance issue and the fan could fix the overheating issue/

My Fix

following the guides made it so easy and it was very well documented

My Advice

can of compressed air! my MacBook is over 6 yrs old and was filled with dust