Dell OptiPlex XE3 Tower Service Manual page 4

Deleting or changing an existing system setup password................................................................................. 75
Enabling smart power on................................................................................................................................................. 76
Chapter 5: Troubleshooting......................................................................................................... 77
Enhanced Pre-Boot System Assessment - ePSA diagnostics.............................................................................77
Running the ePSA Diagnostics................................................................................................................................. 77
Diagnostics.......................................................................................................................................................................... 77
Backup media and recovery options............................................................................................................................. 79
Recovering the operating system..................................................................................................................................79
Battery status lights......................................................................................................................................................... 80
Chapter 6: Getting help and contacting Dell.................................................................................81
4 Contents