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12 Posts

04-26-2012

Australia

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Updating the BIOS via bootable USB

2013-06-03, 13:33 PM

I want to update BIOS using the supplied ISO image. I want to write this image to a usb and then boot from it, for updating bios. How to create bootable usb.

 

My system is E430, though the question is quite generic.

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1302 Posts

12-06-2012

Raleigh, NC

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Re: Updating the BIOS via bootable USB

2013-06-05, 20:02 PM

Hi again, ahaider7

 

I do not think a program would be necessary. However, after doing more research, I am not sure that the process would work. Furthermore, updating the BIOS through USB is not supported, as far as I'm aware. If you wish to update the BIOS of your machine, I would highly recommend using the BIOS Update Utility. You can also burn the .iso to a CD and boot from that. 

 

Regards,

Adam

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1302 Posts

12-06-2012

Raleigh, NC

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Re: Updating the BIOS via bootable USB

2013-06-04, 22:04 PM

Hi, ahaider7

 

After putting the ISO image onto the USB drive, then you should only have to change the boot order. And this must only be done if it has been changed before. By default, the boot order should attempt to boot any USB devices before it boots the operating system. If using Windows 8, I would make sure that Secure Boot is turned off under Security ► Secure Boot, first in the BIOS, however. Otherwise, the system may only attempt to boot Windows 8.

 

Hope it helps,

Adam

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12 Posts

04-26-2012

Australia

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Re: Updating the BIOS via bootable USB

2013-06-05, 13:16 PM

wrote:
After putting the ISO image onto the USB drive, then you should only have to change the boot order.

I don't think its just a matter of copying ISO image to usb. There are many specialized softwares like (UNetBootin, Universal USB Installer etc.) that write an iso image to usb and make it bootable. Which one of these softwares is recommended by Lenovo. Thats my question.

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1302 Posts

12-06-2012

Raleigh, NC

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Re: Updating the BIOS via bootable USB

2013-06-05, 20:02 PM

Hi again, ahaider7

 

I do not think a program would be necessary. However, after doing more research, I am not sure that the process would work. Furthermore, updating the BIOS through USB is not supported, as far as I'm aware. If you wish to update the BIOS of your machine, I would highly recommend using the BIOS Update Utility. You can also burn the .iso to a CD and boot from that. 

 

Regards,

Adam

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0 person found this solution to be helpful.

This helped me too

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12 Posts

04-26-2012

Australia

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Re: Updating the BIOS via bootable USB

2013-06-06, 12:10 PM

Using the BIOS update utility (while windows is running) is generally discouraged. I myself have had a bad experience when I tried to use such a utility, the bios got corrupted.

 

Anyway, thanks for your support Gamloi7. I'll use the cd burning method.

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1 Posts

07-17-2013

Finland

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Re: Updating the BIOS via bootable USB

2013-07-17, 18:33 PM

I am running Ubuntu on my Carbon X1, so the Windows-based utility is not an option. Also, my laptop does not have a CD-drive (really, who even has those these days?).

 

So any feasible option updating the BIOS of a Linux-based laptop without a CD-drive?

 

Is it really so that, the "Bootable CD" (http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS030685 in my case) cannot be run from a USB-drive?

 

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4 Posts

08-19-2015

Netherlands

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Re: Updating the BIOS via bootable USB

2015-08-19, 10:43 AM

You can update BIOS via USB, I just did. The CD image from Lenovo is not compatible with USB, you need to modify it, then you can boot from USB. The magic word is El Torito (google it if needed).

 

Depending on you OS, you need to

- download the CD image for your laptop from the Lenovo site

- extract the "El Torito" boot image from the CD image you've downloaded

- flash this boot image to an USB drive

- reboot your laptop and boot from this USB drive

 

I'm using Arch Linux, and used geteltorito.pl to extract the bootable image, and used dd to copy the image to USB.

 

It would de nice if Lenovo supports updating BIOS from USB directly (they don't obviously, requiring you to either use Windows or have a USB-CD drive)

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2 Posts

04-08-2016

United States of America

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Re: Updating the BIOS via bootable USB

2016-04-08, 15:40 PM

What do you mean when you say "- flash this boot image to an USB drive"?

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1 Posts

02-26-2017

Philippines

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  • Message 9 of 24

Re: Updating the BIOS via bootable USB

2017-02-26, 4:27 AM

 

 

 

Hi 

I had a problem on my lenovo g40. My lapatop become black screen i accidentally press the 9acn32ww, then it goes black screen for the entire months ,, it stocked now i dont know how to fix this issue. Please help me for this issue -Philippines 

 

 

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11 Posts

07-25-2017

Israel

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  • Message 10 of 24

Re: Updating the BIOS via bootable USB

2017-07-27, 17:55 PM

How do I go about doing it on Windows 7?

 

My x230t needs to have Bios installed and because of a bad advice from Tech support I set the Bios to default and now I cannot access Win 10, it just crashes and restarts right after the Boot menu.

 

I need to get this Torito version and I have the ISO version.

 

Please help.

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