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Troubleshooting
Checking Cables and Connections
Start by performing a careful visual inspection of the exterior
of the computer. If no LEDs are illuminated, make sure that
your computer and its peripherals are getting power and
communicating with each other properly.
To check the power cables, and connections:
1.
If you have been using battery power, connect the
Notebook to an external power source and make sure
that the battery has a charge.
2.
If you are using the computer with the AC adapter,
check the power outlet, the power cord, and any power
switches that may affect your computer.
Check the wall outlet or power strip with an item
that you know is functioning properly. A lamp or
radio is a convenient item for checking the power.
You may also need to check the fuses and
breakers in your electric box.
If the outlet is controlled by a wall switch, make
sure that the switch is on.
If the outlet is controlled by a dimmer switch, use a
different outlet.
If your computer is plugged into a power strip with
an On/Off switch, make sure the switch is on.
3.
With the computer’s power switched off, check all cable
connections. If the computer is connected to any
peripheral devices, look for loose or disconnected
cables.
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