Acer 4150 Series - Manual (Page 48)

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English
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.
Disk to disk recovery enable
To enable disk to disk recovery (hard disk recovery), activate the BIOS
utility, then select "Main" from the categories listed at the top of the
screen. Find "D2D Recovery" at the bottom of the screen and use the
F5/F6 keys to set this value to "Enabled."
Password
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/F6 keys to enable this feature.
Using software
Playing DVD movies
When the DVD drive module is installed in the optical drive bay, you
can play DVD movies on your computer.
1 Eject the DVD tray and insert a DVD movie disk; then close the
DVD tray.
Important! When you launch the DVD player for the first time, the
program asks you to enter the region code. DVD disks are divided
into 6 regions. Once your DVD drive is set to a region code, it will
play DVD disks of that region only. You can set the region code a
maximum of five times (including the first time), after which the
last region code set will remain permanent. Recovering your hard
disk does not reset the number of times the region code has been
set. Refer to the table below for DVD movie region code
information.