Chapter 3: Troubleshooting
Chapter 3
Troubleshooting
3-1 Troubleshooting Procedures
Use the following procedures to troubleshoot your system. If you have followed all of the procedures below and still need assistance, refer to the ‘Technical Support Procedures’ and/or ‘Returning Merchandise for Service’ section(s) in this chapter.
Note: Always disconnect the power cord before adding, changing
or installing any hardware components.
Before Power On
1.Make sure that no short circuits exist between the motherboard and chassis.
2.Disconnect all ribbon/wire cables from the motherboard, including those for the keyboard and mouse.
3.Remove all
4.Install one CPU and make sure that it is fully seated. Connect the chassis speaker and the power LED to the motherboard. (Check all jumper settings as well.)
5.Use only the correct type of onboard CMOS battery as recommended by the Manufacturer. Do not install the onboard battery upside down to avoid possible explosion.
No Power
1.Make sure that no short circuits exist between the motherboard and the chassis.
2.Verify that all jumpers are set to their default positions.
3.Check that the 115V/240V switch on the power supply is properly set.
4.Turn the power switch on and off to test the system.
5.The battery on your motherboard may be old. Check to verify that it still supplies ~3VDC. If it does not, replace it with a new one.
No Video
1.If the power is on but you have no video, remove all the
2.Use the speaker to determine if any beep codes exist. Refer to the Appendix for details on beep codes.
