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H12SSW-iNL/NTL Motherboard User's Manual
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 non hot-swap hardware components.
Before Power On
1. Check that the power LED on the motherboard is on.
2. Make sure that the power connector is connected to your power supply.
3. Make sure that no short circuits exist between the motherboard and chassis.
4. Disconnect all cables from the motherboard, including those for the keyboard and
mouse.
5. Remove all add-on cards.
6. Install at least one DIMM, a CPU, and a heatsink (in that order), check all jumper
settings. Make sure that the heatsink is fully seated.
7. Use the correct type of onboard CMOS battery (CR2032) as recommended by the
manufacturer. To avoid possible explosion, do not install the CMOS battery upside down.
No Power
1. Check that the power LED on the motherboard is on.
2. Make sure that the power connector is connected to the power supply.
3. Check that the motherboard battery still supplies ~3VDC. If it does not, replace it.
4. Check that the system input voltage is 100-120v or 180-240v.
5. Turn the power switch on and off to test the system.
Chapter 3
Troubleshooting
48
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