Appendix A Troubleshooting At First Start - SOYO SY-P4VGA User Manual

APPENDIX A
Troubleshooting at First Start
Boot-up Issues
The system does not power-up, no beeping sound heard and the CPU
fan does not turn on.
1. Check if the power cord is plug to the power source.
2. Check if the power is connected to the M/B.
3. Check if the cable of the case power button is connected to the
M/B power button connector (see connectors and plug-ins in the
manual for more info).
4. Make sure the power supply is not defective. Change the power
supply. The minimum should be 350 watt for a minimally loaded
system or 400 watt for a fully loaded system.
5. Remove the M/B from the case and test the system. The M/B
might be shorted to the case.
6. Make sure your power supply is ATX 12V compliant.
The system powers-up, no video, no beeping sound heard, but the
CPU fan is turning.
1. Clear CMOS RAM. (JP5 connector, see the Quick start guide for
more info on how to clear the CMOS).
2. Check all the jumper settings on the M/B.
3. Check if the CPU is ok by using another CPU (check the Quick
start guide for CPU supported on this M/B).
4. Check if the power supply is ok. The minimum should be 350
watt for a minimally loaded system or 400 watt for a fully loaded
system.
5. Make sure the CPU fan is connected to CPUFAN1 connector.
6. Remove the M/B from the case and test the system. The M/B
might be shorted to the case.
81