30 minutes - 2 hours
My Mac mini was running a little slow. Programs were taking time to boot up, and forget about running more than one application at a time.
The guides were fantastic and easy to follow. I had never worked on a computer this small before, so I was unsure about it, but with the older machine, I figured it was worth the risk. Everything worked as advertised.
When moving the Bluetooth and wireless antennas, be careful of the springs! The spring under the Bluetooth antenna shot up, off my desk when I moved the part. I lost the spring under my desk, but found it later.... At the end of my repair