First Steps

The first thing I always do is power on the device.

I was greeted with this screen.

I wasn't quite sure what to do, so naturally I disassembled the machine and took a look inside.

The logic board looked surprisingly clean. Finding no obvious issues with the motherboard, I proceeded to find some documentation on the internals of the Macintosh SE. Below I list some documents which proved rather helpful.

With respect to the large body of knowledge that I gleaned from these resources, the following pieces of information largely determined my next steps.

To Do List

If no success by this point: