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hafanana
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Error updating TPM firmware

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ProBook 450 G3
Microsoft Windows 10 (64-bit)

When trying to update TPM firmware after restart get message "TPM firmware is not updatable"

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iomare
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Message 2 of 12
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Hi,

 

Have you taken a look at this document. Is this the firmware package you are using for update?

 

https://support.hp.com/us-en/document/c05792935

 

Let me know,

David

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hafanana
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Yes. I can't find solution for my problem in user guide for this firmware

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erico
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Did you follow the document that appears on the driver download page?

https://support.hp.com/us-en/drivers/selfservice/hp-probook-450-g3-notebook-pc/7834555

 

Which softpaq version did you try to install?   WAs it SP87753?

 

Use the TPM snap-in to see which TPM version is curently installed.

 

1) Windows key + R to open a run dialog.

2) type in TPM.MSC and press enter.

 

 

Is SLB9670 TPM 2.0 ver. 7.63.3353.0 already installed?




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hafanana
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I tried to install SP87753.

TPM firmware version is 7.62.3126.0

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erico
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Have you already updated the BIOS to the most current version (01.33 Rev.A)?

 

The currently installed TPM version that you posted is not in the list of versions that as vulnerable to RSA encryption attacks.

 




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iomare
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Hi @erico

 

I do not see the TPM update you mentioned on the driver and software page for the product with installation guide:

 

https://support.hp.com/us-en/drivers/selfservice/hp-probook-450-g3-notebook-pc/7834555

 

 

@hafanana

 

The version 7.62 is not mentioned in the security bulletin which the SP87753 is for:

 

  • SLB 9670 (TPM 2.0), Versions: 7.40, 7.41, 7.60, 7.61
  • SLB 9670 (TPM 1.2), Versions: 6.40, 6.41, 6.42

Regards,

David

 

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hafanana
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BIOS version 1.33 A

 

SP conains TPM20_7.62.3126.0_to_TPM20_7.63.3353.0.BIN

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erico
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@hafanana wrote:

BIOS version 1.33 A

 

SP conains TPM20_7.62.3126.0_to_TPM20_7.63.3353.0.BIN


OK.

There isn't really a need to update then. Your TPM firmware is not vulnerable.  "If it ain't broke, don't fix it".

 

@iomare

Use CTRL + F and the use 450 G3 as the keywords. That is the best way to search on the document.

 

sp.png




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iomare
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Message 10 of 12
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@erico

 

The document is the one I provided and naturally I looked at it before linking it. You mentioned the TPM update and installation guide on the software and driver page for the product which I can not seem to find.

 

Regards,

David

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