Forum - RE: [Request] How to RollBack To the previous Official Hp Insyde Bios RSA Signed with no modification?!

Win-Raid Forum (Drivers - Firmware - Modding) � BIOS Modding � BIOS Modding Guides and Problems � [Request] HowTo RollBack to an older HP Insyde BIOS

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#31 | RE: [Request] How to RollBack To the previous Official Hp Insyde Bios RSA Signed with no modification?! datum

Tue Oct 12, 2021 2:26 pm (Last edited: Tue Oct 12, 2021 2:29 pm)

Zitat von Sweet Kitten im Beitrag #30
Zitat von voug im Beitrag #28
Just tried with InsydeFlash and Start but after restart I get
Do you mean that the device reboots into the BIOS installation utility shell? I wanted installation to be performed is entirely in the Windows. Doing a rollback in a uefi shell with is a dead end. Give me time and I'll try to activate legacy flash mode.

Yes it reboots to bios installation utility shell.

I have 2 .sig files in "CrisisFolder" in temp folder when I run official .exe of the bios

I'm not doing this on windows 10, will I need to open the file on w10 ? maybe it's the problem? or it doesn't matter? I'm on win 8

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#32 | RE: [Request] How to RollBack To the previous Official Hp Insyde Bios RSA Signed with no modification?! datum

Tue Oct 12, 2021 2:31 pm

Zitat von voug im Beitrag #31
I'm not doing this on windows 10, will I need to open the file on w10 ?

Does not matter. I think I just need to make some additional changes to make it work. I'll attach a new file when I'm done.

Cūra tē ipsum

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#33 | RE: [Request] How to RollBack To the previous Official Hp Insyde Bios RSA Signed with no modification?! datum

Tue Oct 12, 2021 2:37 pm

@Sweet Kitten Ok, lot of thanks! I hope you can fix it

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#34 | RE: [Request] How to RollBack To the previous Official Hp Insyde Bios RSA Signed with no modification?! datum

Tue Oct 12, 2021 2:42 pm (Last edited: Tue Oct 12, 2021 7:23 pm)

@voug
Follow the standard procedure using the attached archive to rollback.

Zitat von Sweet Kitten im Beitrag #38
And this is the third archive that will definitely work: sp77055.zip.

Cūra tē ipsum

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#35 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 6:50 pm

@Sweet Kitten I get the same message once the system reboot to shell install utility: "Unable to open bios signature file"

The software it's like the latest bios software this time.

Will I need to add a signature file or is trying to open CURRENT bios signature file?

Thanks

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#36 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 6:52 pm (Last edited: Tue Oct 12, 2021 6:54 pm)

Maybe I need to check something in BIOS?

Like this:
https://h30434.www3.hp.com/t5/Desktop-Bo...le/td-p/6640582

" 1. If your BIOS has secure boot disable that.

2. In the BIOS make sure the ability to use LEGACY devices is on and enabled

3. You can leave UEFI support on. "

I also read this https://h30434.www3.hp.com/t5/Desktop-Bo...er/m-p/6644402#

1. First let me make this very clear. The installed HP tools caused this issue. The BIOS update was lisated as a critical update. I did the update as reccomended by YOUR SOFTWARE

2. The issue is now well documented by several users in this forum that the 081B4 v.34 BIOS PREVENTS the use of SSD drives completely.

3. I / We need a resolution to this ASAP. This needs to be escalated to an Engineer within HP.

4. I need one of three options to happen:

4a: Allow me to downgrade the BIOS or provide a workaround to allow this to happen.

4b: publish a newer BIOS that fixes this now KNOWN issue .

4c: HP send me a new motherboard with a functioning BIOS that allows for SSD to be connected

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#37 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 7:18 pm (Last edited: Tue Oct 12, 2021 8:58 pm)

@Sweet Kitten

Edited: removed log file

From log file:

2021-10-12 18:39:18 Failed Reading BIOS Signature File EFI\HP\BIOS\New\082BD.sig

So it's looking for a .SIG file instead of .S12 file, right ?

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#38 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 7:21 pm

Zitat von voug im Beitrag #35
I get the same message

Let's keep trying. It is not difficult to rollback, but I did not have enough practice doing this. Therefore, after giving you a working solution, I will describe what exactly is required for a rollback.

Zitat von voug im Beitrag #35
Will I need to add a signature file or is trying to open CURRENT bios signature file?

No.

Zitat von voug im Beitrag #36
Maybe I need to check something in BIOS?

No.

Zitat von voug im Beitrag #35
4. I need one of three options to happen:

4a: Allow me to downgrade the BIOS or provide a workaround to allow this to happen.

4b: publish a newer BIOS that fixes this now KNOWN issue .

4c: HP send me a new motherboard with a functioning BIOS that allows for SSD to be connected

I can only help with 4a. Really. And this is the third archive that will definitely work: sp77055.zip.

Cūra tē ipsum

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#39 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 7:24 pm (Last edited: Tue Oct 12, 2021 7:25 pm)

@Sweet Kitten did you read my last post with the log? maybe this can help us...

thanks

On this folder: EFI\HP\BIOS\New\

I only have:

EFI\HP\BIOS\New\082BD.bin
EFI\HP\BIOS\New\082BD.s12

Where I can get .sig file?

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#40 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 7:33 pm (Last edited: Tue Oct 12, 2021 7:38 pm)

Zitat von voug im Beitrag #39
did you read my last post with the log?

Just now. But that doesn't matter either. I decided to go down the road where there is no need to use up storage space and there is no need to mess with signature files.

Zitat von voug im Beitrag #39
Where I can get .sig file?

The newest bios use s12, so you probably can't get the sig file anywhere. This is not required because, as you can see in the log, the utility reads s12 this way. They are just different versions of encryption.

Cūra tē ipsum

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#41 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 7:37 pm (Last edited: Tue Oct 12, 2021 7:45 pm)

Tried your latest zip, now the laptop doesnt work anymore. Only two leds and black screen.

@Sweet Kitten

Windows key + B not working with usb recovery... https://support.hp.com/us-en/document/c02693833

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#42 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 7:44 pm (Last edited: Tue Oct 12, 2021 7:45 pm)

Zitat von voug im Beitrag #41
now the laptop doesnt work anymore

The BIOS was flashed, but, as it turned out, it was not permissible to do this in this way. Create USB recovery key and restore the device to work(didn't work?!).
Until recently, I did not want to change the BIOS file(.bin). And it looks like this is the only safe way to rollback. To prevent the the error "Bios Verify Signature Not Succeed (Incompatible Version)", I will have to change the version of the .bin file.

Cūra tē ipsum

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#43 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 7:46 pm (Last edited: Tue Oct 12, 2021 7:47 pm)

@Sweet Kitten
Will the latest BIOS version Usb recovery key work on the current flashed bios (older)?

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#44 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 7:48 pm

Zitat von voug im Beitrag #43
Will the latest BIOS version Usb recovery key work on the current flashed bios (older)?

It should.

Cūra tē ipsum

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#45 | RE: [Request] HowTo RollBack to an older HP Insyde BIOS datum

Tue Oct 12, 2021 7:52 pm (Last edited: Tue Oct 12, 2021 7:56 pm)

Zitat von Sweet Kitten im Beitrag #44
Zitat von voug im Beitrag #43
Will the latest BIOS version Usb recovery key work on the current flashed bios (older)?
It should.

@Sweet Kitten

yeeeees it's recovering with the latest version I have installed... oh my god !! (I disconnected the batter and I press power button about 30 seconds before I tried the USB recovery utility)

Well, what can we do more?

Will I be able to recover the laptop if I have another problem flashing?

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