Dell M438J Laptop User Manual


 
25
Solving Problems
Orange — A good connection exists between •
a 100-Mbps network and the computer.
Off — The computer is not detecting a •
physical connection to the network.
NOTE: The link integrity light on the network
connector is only for the wired cable
connection. The link integrity light does not
provide status for wireless connections.
Power Problems
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 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. Also 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.
Check the AC adapter cable connections. •
If the AC adapter has a light, ensure that the
light on the AC adapter is on.
If the power light is solid white and the
computer is not responding — The display may
not be responding. Press the power button until
the computer turns off and then turn it back on.
If the power light is blinking white — The
computer is in standby mode. Press a key on
the keyboard, move the pointer using the touch
pad or a connected mouse, or press the power
button to resume normal operation.
If the power light is solid amber — The
computer has a power problem or an internal
device malfunction. For assistance contact Dell,
see “Contacting Dell” on page 43.