Dell 3250 Benutzerhandbuch - Seite 25
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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
Table 1. Diagnostic power LED codes
Power LED light status
Off
Steady/Blinking Amber
Slow Blinking White Light
Steady White
Possible cause
The computer is either turned off or
is not receiving power or in
Hibernation mode.
Computer fails to complete POST or
processor failure.
Computer is in sleep mode.
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 that 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 that
the computer turns on properly.
•
Ensure the electrical outlet is
working by testing it with
another device, such as a lamp.
•
Remove and reinstall any cards.
•
Remove and reinstall the
graphics card, if applicable.
•
Ensure the power cable is
connected to the system board
and processor.
•
Press the power button to bring
the computer out of the sleep
mode.
•
Ensure all power cables are
securely connected to the
system board.
•
Ensure the main power cable
and front panel cable are
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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