Chapter 8:Trouble-shootingContentsIntroduction.......................................................... 154Computer Virus Notice ....................................... 155Viruses .......................................................... 155Types of Viruses........................................... 155Virus Contamination .................................... 155Protecting Your System ............................... 156Virus Prevention........................................... 156Troubleshooting Checklist .................................. 158Verifying the Configuration......................... 158Troubleshooting Guidelines......................... 158Solving Problems................................................. 159Resetting the System .................................... 159Initial System Startup ................................... 159Running New Application Software ........... 160The System Has Been Running Correctly... 161More Problem-solving Procedures.............. 162Specific Problems and Corrective Actions.. 164Error and Informational Messages...................... 170POST Codes and Countdown Codes........... 170POST Error Codes and Messages................ 173
