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Tuesday, 21. May 2013

BIOS Boot-USB-Stick

Howto: BIOS-Update per bootable USB-Stick


BIOS Update per bootable USB-Stick / Pendrive

BOOT
→
U S B
←
BIOS

 

A guidance how to create a bootable USB-Stick / Pendrive (incl. MS-DOS system files) to perform a BIOS update.

see also: BIOS-Update Howto: step-by-step instruction
see also: BIOS Update per bootable CD
see also: BIOS Update per DOS-Boot-Diskette

 

Requirement

  • The Laptop-/Mainboard-BIOS must support bootable USB-Sticks - which should apply to most of all modells which are not older than 4-5 years. If an USB-Stick was recognized during the boot process, the BIOS will integrate it as a removable drive, or as a normal drive.

 

The following tools are needed:

  • Ultimate BIOS-Boot-Edition:
    - usbdos (folder contains the 3 hidden! MS-DOS system files command.com, io.sys and msdos.sys)
    - HP_USB_Disk_Storage_Format_Tool v2.2.3.exe (Hewlett-Packard's Format-Utility for USB-Sticks)
    download [1] Ultimate BIOS-Boot-Edition - 5.9MB

 

Instruction to create a bootable USB-Stick

  • Open the Ultimate BIOS-Boot-Edition and the folder boot_usb_stick.
  • Copy the folder usbdos to your hard disk.
  • Start the HP USB Disk Storage Format Tool.
  • Select your USB-Stick under Device.
  • Choose FAT-32 under File system and activate the check mark Create a DOS startup disk.
  • Insert the path to your usbdos folder under using DOS system files located at:.
  • Press the Start button and wait until the tool has formatted the USB-Stick and has copied the 3 system files.
  • Rename the filename of your flashtool and the BIOS file, if they have more than 8 characters (not the file extension!).
  • Copy your flashtool and the BIOS file onto the USB-Stick.
The DOS system files are normally invisible, because their file attribute is set to hidden. If you would like to show these hidden files, you have to enable the option: "Windows-Explorer / Tools / Folder options / View / Show hidden files and folders" and to disable the option "Hide protected operating system files".

 

Starting the BIOS-Update from USB-Stick

  • First, go into your BIOS-Setup and change the Bootsequence to USB-Stick/Drive (search for an option like Bootsequence, First Boot Device, or something similarly).

  • Insert the USB-Stick and restart your PC. If all went well - MS-DOS starts and you can see the famous DOS-Prompt (C:\>).

  • Now you can start the BIOS update. Remember: it's a good idea to backup the old BIOS version.

  • See also: BIOS-Update Howto: step-by-step instruction

Happy flashing!

 

User-Comments: BIOS Boot-USB-Stick

i want update bios with usb stik,(not in windows)bécause bios is damaged.(i have toshiba c660). thinks

el hassani mustapha 17.May.2013 02:52

@steve_9224
ftp://ftp.acer-euro.com/notebook/aspire_6930/vista/Bios/v3121.zip ==> phlash16.exe

biosflash 7.Apr.2013 06:28

i have a small favour, i have an acer 6930 that blue screened during a bios update, which in itself annoyed me, but i have been trying to reset/fix the biox in several different ways, and i would like to try yours but i cant find a DOS file for acer as they only give out the "WINPHLASH" and not the actual DOS files, was wonderinf if you knew where i could get it from thanks in advance steve

steve_9224 7.Apr.2013 05:23

@Michi
Aus diesem Grund stehts ja auch so in dem fett rot umrandeten Hinweistext ;)

biosflash 25.Mar.2013 23:03

Hallo, zumindest bei XP muss unter Explorer/Extras/Ordneroptionen Reiter Ansicht der Haken bei "Geschützte Systemdateien ausblenden" entfernet werden. Ansonsten werden die drei Dateien nicht angezeigt. Ob sich der Stick auch ohne erstellen lässt, ist mir nicht bekannt, es ist aber auf jeden Fall irritierend, wenn etwas entpackt wird, was nicht da ist. Grüße Michi

Michi 25.Mar.2013 19:47

Hello! I! A small problem on my motherboard SAPPHIRE PURE PLATINUM A75 2X ​​because I missed her flashing, then there is no more boot, nothing on the screen. I've tried the USB floppy because there is no floppy port, USB still nothing so what I do. I had my motherboard through which a passage in France (Paris munchkin) And then I do not know what I should do, not possible to go to France because I am in Madagascar, but against I have all the papers this map. So if anyone can help me thank you'' Please help me. THANK YOU IN ADVANCE

xxx a 28.Sep.2012 20:44

@Sattar
I dont know any way to extract this stupid Dell bios exe file. You should try to contact the Dell support. They should be able to send you a real binary bios file.

biosflash 25.Sep.2012 21:53

Hi there I have dell inspiron n5010 with ami/efi bios bricked due to the power failure when i was updating the bios and i was looking to recover it with usb flash driver but i don't know how to get newbios.rom because i don't know how to extract it from dellbios.exe. if u can explain it step by step then your generosity gona make me happy. Thanks in advance.

Sattar 25.Sep.2012 21:07

i have an hp probook 4720s. i have a bios problem now the machine displays a blank screen when turned on. i dont know wat to do

kofi 23.Aug.2012 11:14

@ladooo
yes.
Why dont you read our Howtos???
==> http://www.biosflash.de/e/bios-update.htm

biosflash 25.Jul.2012 18:55
>>|
 
 
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