Power problems
Use the following table to learn how to begin analyzing a power problem.
| Symptom | What you should do |
|---|---|
| The system unit does not power on. | See Cannot power on system unit. |
| The system unit does not power off. | See Cannot power off system unit. |
| The system does not remain powered on during a loss of incoming ac voltage and has an uninterruptible power supply (UPS) installed. | See the UPS user's guide that was provided with your unit. |
