SUPER MICRO Computer X7SBL-LN1/LN2 Troubleshooting Procedures, Before Power On, No Power

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. Always disconnect the AC power cord before adding, changing or installing any hardware components.

Before Power On

1.Make sure that there are no short circuits between the motherboard and chassis.

2.Disconnect all ribbon/wire cables from the motherboard, including those for the keyboard and mouse.

3.Remove all add-on cards.

4.Install a CPU and heatsink (making sure it is fully seated) and connect the chassis speaker and the power LED to the motherboard. Check all jumper settings as well.

5.Use the correct type of onboard CMOS battery as specifi ed by the Manufac- turer. Do not install the CMOS battery upside down to avoid possible explo- sion.

6.Make sure the 4-pin 12v power connector at J41 is connected to your power supply.

No Power

1.Make sure that there are no short circuits between the motherboard and chassis.

2.Verify that all jumpers are set to their default positions.

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