Dell Vostro 270 (Late 2012) - Manual (Page 41)

5
Troubleshooting
Diagnostic Power LED Codes
Power LED Light Status Possible Cause Troubleshooting Steps
Off The computer is either turned off or is
not receiving power.
• 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.
Blinking Amber Computer fails to complete POST or
processor failure.
• 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.
Steady Amber 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.
• 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.
Steady White The computer is fully functional and in
the On state. If the computer is not responding, do
the following:
• Ensure the display is
connected and turned on.
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