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31 Posts

01-25-2017

Germany

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Switching Windows 7 Bios settings to Windows 10 (incl. TPM 2.0, Device Guard, UEFI etc.)

2017-03-15, 10:49 AM

Hi,

let me assume that a bios supervisor password is already set.


I wonder how to change the Bios settings to a configuration which is suitable for Windows 10. (e.g. TPM 2.0/PTT enabled, UEFI enabled, Secure Boot enabled,  CSM disabled, Device Guard enabled, etc.)


The change should be done with no user interaction at system side. Therefore we are looking for a script or tool. So far I could find some pieces, e.g. that enabling "Secure Boot" using WMI will activate ‘UEFI Only’ mode and set CSM to disable in Bios, at least for ThinkPads; or the use of SRSETUPWIN to activate TPM2.0. But here the complication starts. The switching can only be done when the TPM 1.2 is not owned or active. I discovered that with powershell there should be options to reset the TPM, but I am not the programming guy and that is why my efforts were not successful.

 

What I am missing is some kind of guide from Lenovo on how to achieve the challenges that will show up with a migration from Windows 7 to 10 in an enterprise environment. Some explaining scripts or guidelines which can be followed on implementing in e.g. SCCM.

 

Hope you can offer some clues.
Thanks in advance.

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1951 Posts

03-03-2016

United States of America

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Re: Switching Windows 7 Bios settings to Windows 10 (incl. TPM 2.0, Device Guard, UEFI etc.)

2017-03-15, 13:57 PM

MTSt,

 

Here is a post from our blog that gives information on the conversion from Legacy/MBR over to UEFI in the BIOS.  TPM info to come.

 

HTH,

 

Tlawson

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1951 Posts

03-03-2016

United States of America

3977 Signins

47692 Page Views

  • Posts: 1951
  • Registered: ‎03-03-2016
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  • Message 2 of 5

Re: Switching Windows 7 Bios settings to Windows 10 (incl. TPM 2.0, Device Guard, UEFI etc.)

2017-03-15, 13:57 PM

MTSt,

 

Here is a post from our blog that gives information on the conversion from Legacy/MBR over to UEFI in the BIOS.  TPM info to come.

 

HTH,

 

Tlawson

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7119 Posts

10-29-2009

United States of America

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Re: Switching Windows 7 Bios settings to Windows 10 (incl. TPM 2.0, Device Guard, UEFI etc.)

2017-03-15, 14:00 PM

MTSt

 

I have posted about how to switch TPM type here:  https://forums.lenovo.com/t5/forums/v3_1/forumtopicpage/board-id/tp06_en/page/1/thread-id/14302

 

For this to work, the TPM must first be cleared.  It's up to you to clear the TPM and hopefully you know what the TPM owner password is.  Use MSFT standard way to clear the TPM with the owner password:  https://msdn.microsoft.com/en-us/library/windows/desktop/aa376420(v=vs.85).aspx

 

If you don't know the TPM owner password, then you have to use physical presence command which is not possible to execute in remote/automated way:  https://msdn.microsoft.com/en-us/library/windows/desktop/aa376478(v=vs.85).aspx

 

One thing I recommend you think hard about, whether you really need to switch TPM type or not.  As far as I know, there is not any feature within Win10 that requires TPM 2.0.  Everything in Win10 works on TPM 1.2 as well.  I know that MSFT is pushing TPM 2.0 which is why Lenovo ships every Win10 model with TPM 2.0 enabled.  But for your old models that you are trying to upgrade to Win10, it may not be worth the trouble to switch to TPM 2.0 and especially if you don't know what the original TPM owner password is.  Just something to think about.  Hope this info helps you.

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1 Posts

06-29-2021

Australia

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Re:Switching Windows 7 Bios settings to Windows 10 (incl. TPM 2.0, Device Guard, UEFI etc.)

2021-06-29, 1:34 AM

Can my thinkcentre m900 tower update from tpm 1.2 to 2.0

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887 Posts

06-09-2015

United States of America

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Re:Switching Windows 7 Bios settings to Windows 10 (incl. TPM 2.0, Device Guard, UEFI etc.)

2021-06-29, 1:48 AM

@ 2003HondaAccord wrote:

Can my thinkcentre m900 tower update from tpm 1.2 to 2.0

 

No.  According to PSRef, TCG 1.2 only.

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