Supermicro H8DMT+ User Manual download pdf (Page 39)

3-1

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

Check that the onboard power LED is lit (DP4 on the motherboard). 1.

Make sure that the power connector is connected to your power supply.2.

Make sure that no short circuits exist between the motherboard and chassis.3.

Disconnect all cables from the motherboard, including those for the keyboard 4.

and mouse.

Remove all add-on cards.5.

Install a CPU and heatsink (making sure it is fully seated) and connect the 6.

internal (chassis) speaker and the power LED to the motherboard. Check all

jumper settings as well.

Use the correct type of onboard CMOS battery as recommended by the 7.

manufacturer. To avoid possible explosion, do not install the CMOS battery

upside down.

No Power

Make sure that no short circuits exist between the motherboard and the chas-1.

sis.

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

Check that the 115V/230V switch on the power supply is properly set.3.

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Supermicro H8DMT+ User Manual Page 39