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Messages that furnish important information (such as memory
status) on power-on and boot processes. These non-critical
malfunctions are those that cause incorrect results that may not be
readily apparent. An example of a non-critical error would be a
memory chip failure.
In general, if the POST detects a system board failure (a critical error),
the computer halts and generates a series of beeps.
If failure is detected in an area other than the system board (such as
the display, keyboard, or an adapter card) an error message is
displayed on the screen and testing is stopped.
The POST does not test all areas of the computer, but only those that
allow it to be operational enough to run any diagnostic program. If
your system does not successfully complete the POST, but displays a
blank screen, emits a series of beeps, or displays an error code,
consult your dealer.
Resetting the System
After installing a software application package, you may be prompted
to reset the system to load the changed operating environment. To
reset the system, or "reboot," press the [Ctrl] + [Alt] + [Delete] keys
simultaneously.
combination acts as a "software" reset switch when you encounter
hardware or software problems, which lock up the Notebook.
If this key combination does not shut down the Notebook, you can
reset the Notebook by using the Notebook' s power button. Should the
Notebook lock up for some reason, pressing this button powers the
Notebook off.
Adjusting the Brightness
To adjust the brightness on the LCD screen, press and hold down the
[Fn] key in the lower left hand corner of the keyboard and press the
[F7] key to reduce the brightness or [F8] to increase the brightness.
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This is known as "warm boot."
This key
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