If you need to boot your Asus computer from a USB drive or CD-ROM, you need to go to BIOS and create a configuration.
On the superuser forums, a poster featuring a Zenbook checked with an Asus technician and was told that Windows 8 could not be booted from his BIOS.
I've posted some workarounds for this issue at the bottom of the page if you'd like to try them out - they're listed under Workarounds for Asus Windows 8. Booting from USB with BIOS
Asus provides the following instructions for booting Windows 10 from a flash drive or CD.
(If you don't know how to get into the BIOS, scroll down a bit, I've outlined the process for that).
Boot from Asus X555L Bios USB disk drive
Make sure to select [BOOT] when you enter the BIOS setup. Then enable Launch CSM. (compatibility support module)
Type Security -> Disable Secure Boot Control
Press F10 to save your configuration changes.
You can boot your computer from a USB drive/CD-ROM using the following two methods:
Approach #1: Enter BIOS -> Select Save and Exit -> Select USB Drive/CD-ROM [Boot Override]
Approach #2: Hold ESC and Power Press the button to power on the system. You can choose the boot device from the list.
ASUS How To Boot From a USB Device (Flash Drive or Other USB)
How To Enter Bios
According to Asus, because of the Fast Startup feature, you can`t just press F2 to get in BIOS configuration when booting the computer.
Check out the steps below to enter BIOS configuration.
1. Hold and press [Shift] after that switch off the computer.
2. Push and hold the F2 button after that click on the power button. Don`t let go of the F2 button prior to the BIOS screen display.
3. You`ll then be able to access BIOS configuration.
Also Read: How to Enter Bios in Asus Laptop
Asus Windows 8 Workaround
Below is a workaround for Asus Windows 8 when unable to boot from the USB option in BIOS. (Original instructions can be found here).
Plug-in USB drive
Power on your Zenbook laptop
Press ESC or F2 to enter UEFI (BIOS).
Boot tab: Disable Fastboot (*)
Press F10 to save and exit
Immediately press ESC or F2 again
Under the Boot tab, you will see your USB drives - change the order
Press F10 to save and exit
The Zenbook should boot from the USB drive.
* Need to "Enable CSM" when booting in legacy mode.
The poster states that a more recent firmware version may be required if the above does not work.
Another Super User poster provided an additional fix that resolved the issue for many Asus users.
turn on the computer
Press F2 to enter BIOS
Press Tab to boot
Make sure Secure Boot is disabled
Select "CSM + UEFI" in the OS mode selector
then press F10
Press and hold F2 to enter BIOS
Check boot -> check boot priority to see if the attached USB
USB flash drive shows a boot reference.
Instructables has put together a helpful table of USB flash drive boot references. When you boot your Asus computer from the
USB devise, you are actually running the computer with the operating system you installed on the actual flash drive.
This is compared to normal behavior when you boot your PC (install and run an operating system on the internal hard drive). Windows, Linux, or something else.
It usually takes only 10-20 minutes to complete.
Also Read: ASUS laptop service center in Dehradun
I won't say much as the blog has informed you all about how to open a DVD drive on a laptop. It is an easy process and you can use it for various purposes.