Lenovo Thinkpad T495 AMD bios password locked

[volinakis]

Can confirm, it's WORKING! Thanks! 👌

good news, so you used patched file I built for bnc_ and worked for you, right?

[volinakis]

Thanks, it seems I have killed the chip by desoldering and soldering it too many times as it's not even detected by the programmer now. I have ordered a few pieces of the same chip so I could check. I will update as soon as I get them.

yep, happens to me too with MX (Macronix) chipsets. I advice you to use Winbond, more resilient to multiple desoldering.

[buglerbalint]

try and follow instructions from autopatcher.
[ HOW TO USE THE PATCH ]
STEP 1: Flash and replace current BIOS with the generated patch file
STEP 2: Boot the machine
STEP 3: Press ENTER/F1/etc. to enter BIOS settings
STEP 4: Enter any character when asked for Supervisor Password
STEP 5: Press enter when it shows Hardware ID
STEP 6: Press space bar 2x when asked
STEP 7: Turn off machine
STEP 8: Restore original BIOS
STEP 9: Reset BIOS settings to factory default

Can confirm, it's WORKING! Thanks! 👌

[bnc_]

Thanks, it seems I have killed the chip by desoldering and soldering it too many times as it's not even detected by the programmer now. I have ordered a few pieces of the same chip so I could check. I will update as soon as I get them.

[volinakis]

Bumping, sadly couldn't get it to work yet.

try and follow instructions from autopatcher.
[ HOW TO USE THE PATCH ]
STEP 1: Flash and replace current BIOS with the generated patch file
STEP 2: Boot the machine
STEP 3: Press ENTER/F1/etc. to enter BIOS settings
STEP 4: Enter any character when asked for Supervisor Password
STEP 5: Press enter when it shows Hardware ID
STEP 6: Press space bar 2x when asked
STEP 7: Turn off machine
STEP 8: Restore original BIOS
STEP 9: Reset BIOS settings to factory default

[bnc_]

Hey,

It's my first time trying this.
I have recently got a T495 (S/N: PF-1ZY53R) with a locked BIOS. I managed to desolder the chip and read it, however I can't seem to get the patched one working with the autopatcher.
I would like to do it myself if possible, however I have zero experience. When I flash the patched version, the notebook plays the music and fan keeps going with black screen. It works when flashing the original dump but still has the password obviously.

Info: I have disconnected the internal display (it doesn't work) cable and I connected an external monitor by HDMI. The original BIOS shows up on the external screen.

Does anyone know what I'm doing wrong? I've attached both dump files.

Thank you in advance.

Bumping, sadly couldn't get it to work yet.

[bnc_]

Hey,

It's my first time trying this.
I have recently got a T495 (S/N: PF-1ZY53R) with a locked BIOS. I managed to desolder the chip and read it, however I can't seem to get the patched one working with the autopatcher.
I would like to do it myself if possible, however I have zero experience. When I flash the patched version, the notebook plays the music and fan keeps going with black screen. It works when flashing the original dump but still has the password obviously.

Info: I have disconnected the internal display (it doesn't work) cable and I connected an external monitor by HDMI. The original BIOS shows up on the external screen.

Does anyone know what I'm doing wrong? I've attached both dump files.

Thank you in advance.

[gsoft]

Because with the clip I have problem ti CLAMP the IC, do you think this che be good for a winbond 25q128fw?



https://a.aliexpress.com/_EuNeV8J

Thanks

[gsoft]

Sorry I can't try it now because soic8 clip not want to fit on chip 😞 I ordered a new one hoping it fit better

[gsoft]

look

Thanks really thanks.
I will try and then update you

[Maxpower3]

Please can you explain "clear security chip"??
Sorry but I never do it before.

Thanks

look

[gsoft]

flash this bios .
Enter setup with f1
clear password with two blank password and clear security chip
save and exit
after reload your original bios

Please can you explain "clear security chip"??
Sorry but I never do it before.

Thanks

[Maxpower3]

Thank you for answer.
Sorry but I need to understand before doing something wrong.
I need to flash this firmware and the follow the same steps indicated in the autopatcher tutorial?

Thanks again

flash this bios .
Enter setup with f1
clear password with two blank password and clear security chip
save and exit
after reload your original bios

[gsoft]

Thank you for answer.
Sorry but I need to understand before doing something wrong.
I need to flash this firmware and the follow the same steps indicated in the autopatcher tutorial?

Thanks again

[Maxpower3]

Please can you answer me? There is a way to patch the t495 bios? Thank you so much

clear password and security,load by default. restart
and restore original BIOS after

otherwise password disappears forever

[gsoft]

Please can you answer me? There is a way to patch the t495 bios? Thank you so much

[gsoft]

It doesn't work ,what you are asking
You need at least the SVOD4 or the Vertyanov.

Sorry I don't understand...
Is not possible to patch this bios?

I read other post where people figured out to patch but not with autopatcher. They ask and someone send the patched bios.... Can you help me please?

[AccountSaver]

Hi I need to patch my Lenovo t495 to remove the supervisor password .
I cannot use the autopatcher because the t495 is not Intel but a Ryzen.
I make a dump of original firmware and now I ask your help to patch it.
Please can you help me?

board code: FA495 NM C131 REV. 1.0

It doesn't work ,what you are asking
You need at least the SVOD4 or the Vertyanov.

[gsoft]

Hi I need to patch my Lenovo t495 to remove the supervisor password .
I cannot use the autopatcher because the t495 is not Intel but a Ryzen.
I make a dump of original firmware and now I ask your help to patch it.
Please can you help me?

board code: FA495 NM C131 REV. 1.0

[Maxpower3]

Thank you very mutch! Perfect! The bios open!

clear password and security,load by default. restart
and restore original BIOS

otherwise password disappears forever