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3. Make sure that the power connector is connected to your power supply.
4. Make sure that no short circuits exist between the motherboard and chassis.
5. Disconnect all cables from the motherboard, including those for the keyboard and mouse.
6. Remove all add-on cards.
7. Install a CPU, a heatsink, connect the internal speaker (if applicable), and the power LED
to the motherboard. Make sure that the heatsink is fully seated.
8. Use the correct type of onboard CMOS battery as recommended by the manufacturer.
Check to verify that it still supplies approximately 3VDC. If it does not, replace it with a
new one. Warning: To avoid possible explosion, do not install the battery upside down.
9. Verify that all jumpers are set to their default positions.
10. Make sure AC power is being suppled to the power supplies. Check that the power supplies'
input voltage operates at 100-120V or 180-240V.
11. Turn the power switch ON and OFF to test the system.
No Video
1. If the power is ON but you have no video, remove all the add-on cards and cables.
2. As you try to power up the system, note any beep codes. Refer to the next section for
details on
beep
codes.
System Boot Failure
If the system does not display POST (Power-On-Self-Test) or does not respond after the
power is turned ON, check the following:
Turn ON the system with only one DIMM module installed. If the system boots, check for bad
DIMM modules or slots by following the Memory Errors Troubleshooting procedure below.
Memory Errors
1. Make sure that the DIMM modules are properly and fully installed.
2. Confirm that you are using the correct memory. Also, it is recommended that you use the
same memory type and speed for all DIMMs in the system. See
details.
Chapter 7: Troubleshooting and Support
65
Section 3.4
for memory
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Table of Contents
Troubleshooting
