Entering the BIOS Setup
BIOS (Basic Input and Output System) stores system hardware settings that are needed for system
startup in the Desktop PC.
In normal circumstances, the default BIOS settings apply to most conditions to ensure optimal
performance. Do not change the default BIOS settings except in the following circumstances:
An error message appears on the screen during the system bootup and requests you to run
the BIOS Setup.
You have installed a new system component that requires further BIOS settings or update.
Inappropriate BIOS settings may result to instability or boot failure. We strongly recommend that
you change the BIOS settings only with the help of a trained service personnel.
Quickly enter the BIOS
8.1 boot time is quite fast, so we developed the following ways for you to quickly access
Press the power button for at least four seconds to shut down your Desktop PC, then press the
power button again to turn your Desktop PC back on, and press <Del> during POST.
When your Desktop PC is off, disconnect the power cord from your Desktop PC's power
connector. Reconnect the power cord and press the power button to turn on your Desktop PC.
Press <Del> during POST.
POST (Power-On Self Test) is a series of software controlled diagnostic tests that run when you
turn on your Desktop PC.
Windows® 8.1 User Manual