Dell D18M Benutzerhandbuch - Seite 25
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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
Troubleshooting your computer
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.
Troubleshooting your computer
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