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asus s500ca bios settings to boot your laptop from USB drive.
Start from security settings, after go to change boot options. Any questions just comment I will reply
Good luck :)
USB device is plugged in
F2 to BIOS
Switch to “Boot” and set “FastBoot” to Disabled
Switch to “Security” and set “Secure Boot Control” to Disabled
F10 to save and exit and immediately press F2 to BIOS
Only then could I switch to “Boot” and set “Launch CSM” to Enabled
F10 to save and exit and immediately press F2 to BIOS
Now select a boot option. My USB option didn’t say USB, it was just [ 8.0.7]
F10 to save and exit – booted right to USB