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Troubleshooting
If you encounter any trouble during boot up, please follow the
troubleshooting procedures .
Turn off the power and unplug the AC power cable, then remove
all of the add-on cards and cables from motherboard.
Please make sure motherboard & chassis are not short ?
Please make sure all jumper settings (such as CPU system bus
speed, frequency ratio, voltage and etc.) are set properly.
Check if the CPU cooling fan attached to CPU properly. ls
CPU cooling fan power connected to CPU_FAN
Check if the memory install properly into the DIMM slot.
Insert the VGA card. Then plug in ATX power cable and turn
on the system.
KT400A Series Motherboard
START
No
Yes
properly?
Yes
Yes
A
- 100 -
Yes
Please isolate
the short pin.
Failure has been excluded.
Make sure the
No
jumper setting
are correct.
Failure has been excluded.
Plug the C PU
cooling fan power
No
in the CPU fan
connector. Plug
in the AC pow er
connector.
Failure has been excluded.
I nsert and push
No
the memory
module vertically
into the DI MM
slot.
Failure has been excluded.
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