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Troubleshooting Your Computer
You can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error
Messages during the operation of the computer.
Diagnostic Power LED Codes
Power LED Light Status
Off
Blinking Amber
Steady Amber
Steady White
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Possible Cause
The computer is either turned off
or is not receiving power.
Computer fails to complete
POST or processor failure.
Computer is in standby or this is
a computer fault error condition,
including the power supply. Only
the +5VSB rail on the power
supply is working correctly.
The computer is fully functional
and in the On state.
Troubleshooting Steps
•
Re-seat the power cable in
the power connector on the
back of the computer and the
electrical outlet.
•
If the computer is plugged
into a power strip, ensure the
power strip is plugged into an
electrical outlet and is turned
on. Also, bypass power
protection devices, power
strips, and power extension
cables to verify the computer
turns on properly.
•
Ensure the electrical outlet is
working by testing it with
another device, such as a
lamp.
•
Remove and then reinstall any
cards.
•
Remove and then reinstall the
graphics card, if applicable.
•
Ensure the power cable is
connected to the
motherboard and processor.
•
Press the power button to
bring the computer out of
standby mode.
•
Ensure all power cables are
securely connected to the
system board.
•
Ensure the main power cable
and front panel cable are
securely connected to the
system board.
If the computer is not
responding, do the following:
•
Ensure the display is
connected and turned on.
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