Did you try if the flash is really bootable on some other PC or laptop?
If it works on other machines, ask Asus why it doesn't work at yours. As a temporary workaround, install it in a virtual machine, so you can run it on your PC while it's booted in Windows.
hi every one
i have asus v502u with 128 GB of ssd an 1TB of HDD. intek core i7 and 8GB of RAM.
i have win 10 on my ssd drive and wanna install kali linux on the other HDD drive. i made my flash a bootable storage with rufus and using the iso image of kali. in boot menu i put the first boot on my flash and also disabled the secure boot. but my laptop doesnt boot from the flash and goes again with win 10... what should i do? please help me...