Download Print this page

Asus S400CA E-manual: The Power-on Self Test (post); Using Post To Access Bios And Troubleshoot; Bios; Accessing Bios

Hide thumbs


The Power-on Self Test (POST)

The Power-on Self Test (POST) is a series of software-controlled
diagnostic tests that run when you turn on or restart your Notebook
PC. The software that controls the POST is installed as a permanent
part of the Notebook PC's architecture.
Using POST to access BIOS and Troubleshoot
During POST, you can access the BIOS settings or run
troubleshooting options using the function keys of your Notebook
PC. You may refer to the following information for more details.
The Basic Input and Output System (BIOS) stores system hardware
settings that are needed for system startup in the Notebook PC.
The default BIOS settings apply to most conditions of your Notebook
PC. Do not change the default BIOS settings except in the following
An error message appears onscreen during system bootup and
requests you to run the BIOS Setup.
You have installed a new system component that requires
further BIOS settings or updates.
WARNING: Using inappropriate BIOS settings may result to system
instability or boot failure. We strongly recommend that you change
the BIOS settings only with the help of a trained service personnel.
Accessing BIOS
Restart your Notebook PC then press
during POST.
Notebook PC E-Manual


   Related Manuals for Asus S400CA

Comments to this Manuals

Symbols: 0
Latest comments:
  • Vinicius Cunha Jun 28, 2016 10:58:
    Acho um absurdo meu notbook asus S400CA não ter a opção secure boot ,queria instalar o windows 7 .Bom eai asus vão fazer algo?
  • Vinicius Jun 28, 2016 10:07:
    Nossa acho um absurdo ,minha bios do notbook asus S400CA Não tem a opção do secure boot ,queria desativalo para instalar o windows 7
  • Ginta Aug 13, 2013 04:06:
    I bought Asus S400CA.Tha​n I would like to sign in Skype but I can't switch on "at&q​uot;. I hope find this in manual but did not find