Dell D19M Benutzerhandbuch - Seite 17

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Dell D19M Benutzerhandbuch

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
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.
•
If the display is connected and turned on,
listen for a beep code.
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