Base Unit Symptoms

Click on the sentence below which best describes the problem with the system.

The computer does not even start to boot up.
Power light does not come on when base unit is plugged in, and the fan is not running
Power light does not come on, but the fan is running.
Power light is on, but the machine does not boot up. There are no error bleeps.
Power light is on, but the machine does not boot up. There are error bleeps.