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carrierPigeon
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Posts: 6
Registered: ‎11-05-2018
Location: US
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Message 1 of 2

Flashing the uefi/ bios Lenovo Thinkcentre M82

I am trying to update the Uefi/ bios for a Lenovo Thinkcentre M82.  I created a CD with the files and followed the instructions.  The instructions say to reboot the computer with the CD in the drive.  I do this.  However, the computer boots normally to Windows.

 

Since I have never flashed a UEFI/ bios before, I would like to understand a little more about what's actually involved.  Is part of the process to have a bootable CD and boot to it?  Or are we just using the files that are on the CD?

 

If I have to get into the uefi bios and initiate the process through a screen in there, I don't seem to be able to get in there, for some reason.  I tried F1, F2, F10, F12, and enter (each on separate boots).  I also tried to initiate the process through Windows (there is a choice "updated UEFI firmware").

 

Edit: specs on the computer

Thinkcentre M82 Az6
Machine type: 2929
IS7XM motherboard

Windows 8.1 pro

current bios revision date is 8/7/2002.

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Community SeniorMod
Posts: 3,479
Registered: ‎12-31-2011
Location: US
Views: 515
Message 2 of 2

Re: Flashing the uefi/ bios Lenovo Thinkcentre M82


@carrierPigeon wrote:

Is part of the process to have a bootable CD and boot to it?  Or are we just using the files that are on the CD?

 

If I have to get into the uefi bios and initiate the process through a screen in there, I don't seem to be able to get in there, for some reason.  I tried F1, F2, F10, F12, and enter (each on separate boots). 

Yes, it must be a bootable CD, so that it bypasses the OS.  You can test it on a different PC, it will boot into DOS but go no further, as it recognizes that it is not the correct computer for an update. 

 

If you are using a wireless keyboard, it may become active too late to break into the BIOS setup.  Use a standard (non-gaming) wired USB keyboard.  The optical drive must be ahead of the hard disk in the BIOS setup boot sequence for it to boot from the CD (this is the default.)

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