Supermicro A1SRM-LN7F-2758 User Manual download pdf (Page 59)

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

1. Make sure that the PWR LED is not on. (Note: If it is on, the onboard power

is on. Be sure to unplug the power cable before installing or removing the

components.)

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

3. Disconnect all ribbon/wire cables from the motherboard, including those for the

keyboard and mouse. Also, be sure to remove all add-on cards.

No Power

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

2. Make sure that all jumpers are set to their default positions.

3. Check if the 115V/230V 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 make sure 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, you will need to remove all the add-

on cards and cables rst.

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Supermicro A1SRM-LN7F-2758 User Manual Page 59