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Asus E5165 User Manual: Powering On The Notebook Pc; The Power-on Self Test (post)

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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 configuration, press [F2] upon bootup to enter the BIOS
Setup. If you press [Tab] during the splash screen, standard boot
information such as the BIOS version can be seen. Press [ESC] and
you will be presented with a boot menu with selections to boot
from your available drives.
Before bootup, the display panel flashes when the power is
turned ON. This is part of the Notebook PC's test routine and is
not a problem with the display.
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.
The Power-On Self Test (POST)
When you turn ON the Notebook PC, it will first 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 configuration,
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 difference between the record and the existing hardware, it will
display a message on the screen prompting you to correct the
conflict by running BIOS Setup. In most cases the record should be
correct when you receive the Notebook PC. When the test is finished,
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.
Notebook PC User Manual
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