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Sunday, 05. February 2012

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, Download via uploaded.to
    download [2] Ultimate BIOS-Boot-Edition - 5.9MB, Download via megaupload.com

 

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.
  • The tool shows 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!

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Search words: BIOS update boot USB Stick bootable image PC computer laptop notebook without diskette floppy drive instruction howto

 

User-Comments: BIOS Boot-USB-Stick

@Costa Sorry, but what is your problem? You can boot your stick, and you can see the files (BIOS file + flashtool) with the DIR command after you are booting to C:\>. So, why dont you start the update under C: ? Drive E: under Windows is ok, and the drive letter changes to C: if you are booting from your stick. Thats ok too ;-)

biosflash 16.Jan.2012 16:01

Hi, Using your detailed instructions and nifty little tool, I was able to boot to the C prompt with my USB Stick. I have also copied the required .BIO file into the stick. However, when I type in the path of the file, instead of the BIOS updating, it reboots to windows instead. My USB stick is in the E drive, but I can't access it from the DOS prompt. The BIOS file I copied to the USD Stick can be seen when I checked with the "C:\> dir" command. Is that normal? Did I miss something or do something wrong? Please help. Have been trying for weeks but to no avail. Thanks

Costa 16.Jan.2012 15:40

@Narendra Jatav Please read http://www.biosflash.de/e/bios-update-error.htm Otherwise you would need a new BIOS-Chip, or your BIOS-Chip must be reprogrammed.

biosflash 4.Jan.2012 09:44

I'm having Acer Aspire 5920 Laptop. and i have also updated my bios by windows 7 it got successful but after shutdown my laptop didn't get started again. when laptop switch on cpu fan runs for 3-5 seconds and get off and led of laptop are on. i'm not getting anything please help me to come out of this.

Narendra Jatav 4.Jan.2012 09:34

@hazler You should use the original flashtool from the manufacturer of your mainboard/notebook/brand pc.

biosflash 31.Dec.2011 15:18

hi could anyone tell me a good flashtool to use?

hazler 31.Dec.2011 14:04

I have been trying and trying to update bios this all started because my acer 4810t wouldn't recognize the Ram upgrade from 2x2 to 2x4 so I was advised by crucal to update my bios It must be the 4g stick. But I was wondering why I couldn't get my bio files to show up in the radio box I even tried moving it to different locations. any ideas looks like I am going to have to pay to get this done. I tried the USB... to format my usb stick and it formatted but when I went to install it , well it all it did was show a few lines of text about the creator of what I believe was the usb flash format program. I entered into the world of computers with the air force in 1975 and I told my friends and family after my enlistment had ended that computers will end up in everyone home but you will be constantly fooling with them in order to get them to run at peak performance I also said that we would have outposts on Mars before I had grand kids well one out of two isn't bad. Sincerely Pat . I am very suprised that the installation of bio's hasn't created a slew of companys that offer software to easy the updating process. But like I said this is the first thing that has stumped me in close to 40 years of dicking around with these things. I think that the Ipod was the biggest bill of goods that ever caught on. I can do the same thing with a usb stick that my kid needs a ipod to get the same thing accomplished and the smart phone I mean really, really people spend more time screwing with those things. Hell since I stopped selling cars I don't even need a cell phone. but I love my computer.

Pat Gentry 24.Dec.2011 01:46

You are simply legend my dear friend! It worked like charm. I was really frustrated with my computer not detecting my sata drive. Came across your blog and did exactly what you mentioned and to see my computer detecting my harddrive put a smile on my face and made me feel like hugging you. Thanks again!

Ashish 8.Nov.2011 05:57

Just got my RAID BIOS updated in a flash--pun intended. Vielen Dank!

Travis 2.Jul.2011 03:00

Thanks mate. I was really struggling to find a way to update my Linux netbook. This was simple and quick.

Chris 29.Jun.2011 11:12
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