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Notebook PC User Manual
37
IMPORTANT! To protect the hard disk drive, always wait at least
5 seconds after turning OFF your Notebook PC before turning it
back ON.
WARNING! DO NOT carry or cover a Notebook PC that is
powered ON with any materials that will reduce air circulation
such as a carrying bag.
Before bootup, the display panel ashes when the power is
turned ON. This is part of the Notebook PC’s test routine and is
not a problem with the display.
Powering ON the Notebook PC
The Notebook PC’s power-ON message appears on the screen when
you turn it ON. If necessary, you may adjust the brightness by using
the hot keys. If you need to run the BIOS Setup to set or modify the
system conguration, press [F2] upon bootup to enter the BIOS
Setup. Press [ESC] and you will be presented with a boot menu with
selections to boot from your available drives.
The Power-On Self Test (POST)
When you turn ON the Notebook PC, it will rst run through a
series of software-controlled diagnostic tests called the Power-On
Self Test (POST). The software that controls the POST is installed
as a permanent part of the Notebook PC’s architecture. The POST
includes a record of the Notebook PC’s hardware conguration,
which is used to make a diagnostic check of the system. This record
is created by using the BIOS Setup program. If the POST discovers
a dierence between the record and the existing hardware, it will
display a message on the screen prompting you to correct the
conict by running BIOS Setup. In most cases the record should
be correct when you receive the Notebook PC. When the test is
nished, you may get a message reporting “No operating system
found” if the hard disk was not preloaded with an operating system.
This indicates that the hard disk is correctly detected and ready for
the installation of a new operating system.