Flash BIOS in Aptio Setup Utility

I am trying to upload the BIOS of my laptop from an USB drive (Asus N53SV, from BIOS version 212 to version 215), but I can't find a boot from USB option in my BIOS.
The BIOS interface I access from the splash screen is Aptio Setup Utility 2.01.1204. I have a dual boot system with GRUB1.98.
If I undestand it correctly flashing from hard disk requires a FAT32 partition (which I don't have) and flashing form cd is a very bad idea.

The preset menus don't have a "boot from usb" option, but if I plug an USB drive in the laptop before booting I can see an "Add New Boot Option" option.
If I try to use this option I'm asked for name, filsystem and a path for an .efi file.
The AMI documentation simply describes the menu without any instruction or explanation.
I can create an entry without the .efi filepath but doing so and putting the entry at the top of the boot order the laptop goeas directly to GRUB after the splash screen.
The only reference I found is: http://www.tech-forums.net/forums/f43/usb-boot-bios-trouble-asus-laptop-247773/ but it's about a different task.

How can I update my BIOS?

The options I can see in the BIOS interface are:
UEFI boot: enable/disable (D)
PXE ROM: enable disable (D)
Boot Option 1,2, ...
(you can switch hdd and cd-rom, by default nothing else)
Hard Drive BBS Priorities
CD/DVD ROM Drive BBS Priorities
(you can select witch hdd and cd-rom)
[Add New Boot Option]
Delete Boot Option
(allows you to delete custom entry deiveces)

These are the BIOS updates, are they worth the hassle?
BIOS 215
1.Show system serial number on setup menu
2.Add New CPU function support
3.Update CPU microcode
4.Fix sometimes system can't boot after press power button.
5.Update EC firmware
BIOS 214
1.Fix PCIE TV Tuner no function bug
2.Fix USB keyboard no function in DOS.
3.Optimize Realtek 8111E LAN modul
Download from Global
BIOS 213
1.Change EC firmware
2.Restrict system memory frequency
3.Change Intel VGA VBIOS to 2117 , and adjust timing for Samsung 15’6 FHD panel
6 answers Last reply
More about flash bios aptio setup utility
  1. if the asus laptop bios is close to there efi bios for there desk tops you want to hit del at power up and go into the bios.
    when inside the efi bios go to advance mode. most mb vendors put a bios flash updater inside the bios menu. scroll over to the bios updater and run it. you have to scroll to the right drive that has the .rom or .cap file on it. most times for luck i put the file in both the downloads folder and on a usb stick. with my sabertooth bios updater it been able to go to by windows 8 hard drive first and iv been able to flash the bios from the download folder.
  2. well.. looking through the menus I found an application called Start Easy Flash to update the bios from within the Aptio utility. still don't know how to boot from usb to install my linux but... ok now.
  3. menu in advance mode called boot. then go under devices..hard drives..make the usb stick the first device.
  4. (N65DP) Similar issue, I can't boot from DVD. It's been a while since I saw this level idiocy.
  5. smorizio said:
    menu in advance mode called boot. then go under devices..hard drives..make the usb stick the first device.

    My asus zenbook won't boot and instead goes into aptio setup every time, with no boot options. Succeeded in updating bios through easy flash as above,but Boot menu remains as before, without any boot options, ie 3 menu options:
    -Boot config
    -Boot option priorities
    -Delete boot option
    Of which only the last seems to be active (in white), yet there are no options to delete.

    If i try to boot from usb drive with bios update, i get "pen drive without operating system"
  6. There are a few free ISo to USB programs online. They read the iso image and you click make the USB stick bootable. It take a few min but you should have a USB stick installer that boots.
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