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User’s Manual 2-13
PORTÉGÉ M780
Indicators
This section explains indicator functions.
System indicators
The LED system indicators for specific computer operations glow when
those operations are in progress.
Figure 2-7 System indicators
Microphone A built-in microphone allows you to import and
record sounds for your application - please refer
to the Sound System section in Chapter 4,
Operating Basics, for more information.
LCD Sensor switch This switch senses when the display panel is
either closed or opened and activates the Panel
Power Off/On feature as appropriate. For
example, when you close the display panel the
computer enters Hibernation Mode and shuts
itself down and then, when you next open the
display, the computer will automatically start up
and return you to the application you were
previously working on.
You can specify within the Power Options. To
access it, click Start -> Control Panel -> System
and Security -> Power Options.
Do not put any magnetic objects close to this switch as they may cause the
computer to automatically enter Hibernation Mode and shut down even if
the Panel Power Off feature is disabled.
Memory module slot The slot A memory module is located here. The
memory module slot allows for the installation
and replacement of additional memory module.
Refer to the Additional memory module section in
Chapter 3, Hardware, Utilities and Options.
DC IN The DC IN indicator normally glows green when
power is being correctly supplied from the AC
power adaptor. However, If the output voltage
from the adaptor is abnormal, or if the computer’s
power supply malfunctions, this indicator will
flash orange.