Acer Aspire E1-510P - Manual (Page 50)

50 - BIOS utility
BIOS
UTILITY
The BIOS utility is a hardware configuration program built into your
computer's BIOS.
Your computer is already properly configured and optimized, and you
do not normally need to run this utility. However, if you encounter
configuration problems, you may need to run it.
To activate the BIOS utility, press <F2> during the POST while the
computer logo is being displayed.
Boot sequence
To set the boot sequence in the BIOS utility, activate the BIOS utility,
then select Boot from the categories listed at the top of the screen.
Setting passwords
To set a password on boot, activate the BIOS utility, then select
Security from the categories listed at the top of the screen. Find
Password on boot: and use the <F5> and <F6> keys to enable this
feature.