Dell Precision M6300 User Manual page 159

Mobile workstation
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The power button light located on the front of the computer illuminates and
blinks or remains solid to indicate different states:
If the power light is blinking green, the computer is in standby mode. Press
a key on the keyboard, move the mouse, or press the power button to
resume normal operation.
If the power light is off, the computer is either turned off or is not
receiving power.
Reseat the power cable into both 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 that the power strip is
turned on.
Bypass power protection devices, power strips, and power extension
cables to verify that the computer turns on properly.
Ensure that the electrical outlet is working by testing it with another
device, such as a lamp.
If the power light is blinking amber, the computer is receiving electrical
power, but an internal power problem might exist.
Ensure that the voltage selection switch is set to match the AC power
at your location, if applicable.
Ensure that the processor power cable is securely connected to the
system board (see "System Board" on page 236).
If the power light is steady amber, a device may be malfunctioning or
incorrectly installed.
Remove and then reinstall the memory modules (see "Memory" on
page 185).
Remove and then reinstall any cards (see "Using Cards" on page 123).
Eliminate interference. Some possible causes of interference are:
Power, keyboard, and mouse extension cables
Too many devices on a power strip
Multiple power strips connected to the same electrical outlet
Troubleshooting
159

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