SOYO SY-P4X400 - Manual (Page 23)

SY-P4X400 DRAGON Lite Quick Start Guide
23
Quick Trouble shoot tips
Boot-up Issues
The system do 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 250 watts.
5. Remove the M/B from the case and test the system. The M/B might be shorted to the case.
The system power-up, no video, no beeping sound heard, but the CPU fan is turning.
1. Clear CMOS battery. (JP5 connector, see Quick start guide for more info on how to clear the
CMOS).
2. Check all the jumper settings on the M/B. (if the M/B have any).
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 250 watts.
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.
7. Change the VGA card. If you have used a 3.3V AGP card, the M/B might be damage.
The system power-up, no video, beeping heard.
1. Clear CMOS battery. (JP5 connector, see Quick start guide for more info on how to clear the
CMOS).
2. Check all the jumper settings on the M/B. (if the M/B have any).
3. Check the memory module and the VGA card if inserted properly on the M/B.
4. If yes, change the memory module, it might be defective. Make sure the memory
specification is supported by the M/B. (for more info on this, check our FAQ website).
5. Change the VGA card. Make sure the AGP card is 1.5v
The system turns on for some seconds then shutdown by itself.
1. Check if the CPU fan is connected to the CPUFAN1 connector.
2. The CPU might be overheating. Check the CPU FAN if it is defective or see if the CPU fan is
in contact with the CPU.
3. Clear CMOS battery. (JP5 connector, see Quick start guide for more info on how to clear the