Thanks.
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Hello Guys and Girls,
I have a scondhand T470s but it has a supercisor password which i didn't know. Now i found your method but i ask myself where did i find the files to do so?Comment
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Sorry i forgot:
Lenovo T470s
type 20JT-SOLT17
S/N PC-0UPHRK 18/05Comment
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hi, there
the auto patcher should work on a t470. follow the instructions carefully and you should get it to work.Comment
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Thanks Knucklegrumble worked perfect. Just to mention i didn't hold the tamper switch down and could open the bios menu with F1Comment
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Hello,
Can you help me with bios password in T590? Trying to use autopatcher but it didn't work.
Lenovo Thinkpad T590
Type: 20N4-000KPB
S/N: PF-1K6RAD 19/07
Bios Winbond 25Q256FV
Bord # NM-B901 Rev 1.0Comment
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Sorry this will never work for Lenovo T590 with the autopatcher ...
Read this ...
https://www.badcaps.net/forum/troubl...79#post1850079Comment
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thank you so much broComment
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I can't find the AUTO-PATCHER download link. Can you help me ?Comment
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Thank you very muchComment
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I tried to patch my T480 bios but after patching I get a beeping melody. Any idea? Included original and patched in the zip
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anyone has the auto-patcher zip file? its not on Knucklegrumble original post.
Edit: I see it. looks like i have to subscribe on this thread or something.Comment
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works on my t480 running the latest bios version, 1.50 with 0199 error "password attempts exceeded"(I was brute-forcing and got completely locked out of my computer).Comment
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hello,
please help to patch, tried to use all existing patched bios here but always blank screen.
Lenovo Thinkpad T495s Type 20QK Board FA391/FA491 NM-C181
Rev. 1.0 2019-03-21
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Hello have you try this file me be it helps ...
https://www.badcaps.net/forum/troubl...72#post1606172Comment
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Hello. I have a Thinkpad T480 generation 8. I tried with LENOVO BIOS AUTO-PATCHER 0.2, but after writing the image in the chip and resoldering on the motherboard, the laptop does not display anything. I replaced the chip with the original one and it started without problems. Can you help me ? Here is the image of the original bios. Thank you in advance .
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RULES UPDATE for BIOS requests/offers AVOID BANNING, READ BEFORE POSTING
https://www.badcaps.net/forum/troubl...before-posting
You MUST:- Provide the full machine model number, serial number (or Service tag, SNID) and the board model number (see https://www.badcaps.net/forum/showthread.php?t=88758 ) ,The serial number, make, full model number, motherboard model and revision (except QR codes) must be written/typed at your request as per the rules. Not as a picture, part of the file name and so on.
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Hello everyone,
I’m currently working on a dead MSI GP75 Leopard (MS-17E71) motherboard (i7 CPU, NVIDIA GPU) with a no display/no backlight issue initially. After extensive investigation, I’m at a critical stage involving EC firmware, BIOS/ME region interaction, and possible deep corruption. I'm seeking advanced insight from anyone with experience in EC/BIOS sync issues or PCH-level behavior. Here’s a full breakdown:
🧩 Initial Issue- Board powers on (fans spin, keyboard lights up and can be adjusted, caps lock led lights), but no display or backlight
- External display (HDMI) shows
07-24-2025, 02:17 PM -
Hello everyone,
I recently bought a non-working Asus Zenbook Pro Duo OLED UX8402ZA that was listed for parts only. The seller mentioned that it had no display output but that the charging lights worked.
When the laptop arrived (without a charger and SSD), I connected a charger and confirmed with a multimeter that it was charging the battery. However, when I tried to power it on, only the backlight of the secondary display came on. There was no image, and it didn’t boot into the BIOS.
I decided to try flashing a new BIOS, but since I didn’t want to desolder... -
First of all thanks to all of our members who have posted previously all methods posted here.
Please leave a comment if you find something new,or have anything else to add.
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Find by serial number,model number or series
If you know the laptop serial or model number go to HP support https://support.hp.com/us-en/drivers/laptops .
Enter the serial number or model number and click submit.On the next screen you will have to enter the OS
Operating system and OS version.If... -
Hi, my laptop wont boot at all
With original bios no POST, only LED lights
With alternative BIOS from model TP500LN (flashed via programmer) the notebook works again
Some issues
A- with bios from 500LN, it won't update from bios of model 500LA (from 500LN v203 to 500LA v300)
B- If updated from 500LN version 203 to 300, the battery stops being recognized
Things I tried
1- Update / clear ME: Took the non working bios, made a backup, and did this: https://www.badcaps.net/forum/troubl...theory/trouble... -
Hello, I have an old Dell G3 3579 (ST: 2WQ7LP2-8FC8) with a newer 8FC8 BIOS password. I have successfully attached to the flash chip (W25Q128JVSQ) on the motherboard with a CH341A programmer and made several modifications using Intel FIT (e.g., allow software SPI write) without bricking. I was also able to boot to a modified GRUB shell where I attempted to edit many BIOS security related options like BIOS Guard/Lock, Flash Signature Override, ME FW Image Re-Flash, etc.
Unfortunately, some of these modifications like to Intel BIOS Guard failed because it is fused into the PCH. Also,...
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