
MPC Computers, LLC
NetFRAME 1420
Troubleshooting
In the unlikely event you encounter problems running your system, this section will help you
identify possible problem areas. If you are unable to resolve a problem using this section, please
contact technical support.
The following information is covered in this Troubleshooting section:
System Board Problems
BIOS POST Messages
Diagnostic Testing Preparation
Initial System Startup Problems
New Application Software Problems
Problems after the System Has Been Running
FAQs
Specific Problems
System Board Problems
Troubleshooting Procedures
Use the following procedures to troubleshoot your system. Always disconnect the AC power cord
before adding, changing or installing any hardware components.
Before Power On
1. Check that the Standby PWR LED (LE1) is not lit.
Note: If LE1 is on, it indicates that
Standby PWR is on. Be sure to turn off the power supply before installing or removing the
components.
2. Make sure the 8-pin 12v power connector at JPW2 is connected.
3. Make sure that no short circuits exist between the system board and chassis.
4. Disconnect all ribbon/wire cables from the system board, including those for the keyboard
and mouse.
5. Remove all add-on cards.
6. Install a CPU and heatsink (be sure that it is fully seated,) and then, connect the chassis
speaker and the power LED to the system board. Check all jumper settings as well.
7. Make sure to use the correct type of CMOS battery. Do not install the CMOS battery
upside down to avoid possible explosion.
No Power
1. Make sure that no short circuits exist between the system board and the 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.
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