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Summary of BIOS Whitelist Removal Problem
Problem:
I am attempting to remove the WWAN card whitelist from my Lenovo ThinkPad T560.
Initial Findings:- My current BIOS version is N1KET58W (1.45).
- I have a CH341A programmer and have successfully created two full backups of my BIOS.
- I have the ability to use command-line tools on a Linux machine.
- I attempted to use several automated and manual patching methods on my N1KET58W (1.45) BIOS, including using hex strings. These attempts all failed.
- I concluded that the
08-12-2025, 03:01 PM -
Need Clean BIOS/EC Bin File for Lenovo ThinkPad Yoga 11e - Stuck with 0275 Error CMS
Hello everyone,
I am attempting a repair on a Lenovo ThinkPad Yoga 11e that is currently stuck at boot with the error: "0275 error CMS" even after setup new bios battery and will not allow me to enter the BIOS/Setup.
This is a critical issue that I believe requires flashing the BIOS chip directly using a programmer (e.g., CH341A/RT809H), as standard software updates or resets are not possible.
I have opened the laptop and identified the main BIOS chip... -
So a couple of years ago i got a bios update through Lenovo Vantage, so i installed it and bricked my whole BIOS, so i couldn't fix it so i put that ideapad in a box, 3 years later i found that one PC and want to recover it to switch from a 2014 hp laptop to this one.
I found a method to recover the BIOS of many lenovo laptops tha consists in pluging in a USB Flash with the BIOS files and power on the laptop with Fn + R keys pressed until fans go loud and start beeping loud, but nothing worked, so i think filename is wrong, i tried naming the bios file as 07WW.BIN, BIOS.BIN, BIOS.fd,...10-11-2024, 03:12 PM -
Hello everyone,
First, the data in brief:
Manufacturer: Lenovo
Model: ThinkPad L15 G3 21C3-0016GE
motherboard: LG4 LT5 ADL RT UMA MB 8L - 448.0PZ26.0011
IC Bios 1: MX77L25650F
IC Bios 2: MX25L25673G
EC Chip: NPCX997KAABX
So far I've been a silent reader, but now I need your help
I bought a laptop. The seller said the bios was locked. I was looking for a way to remove this ban.
I then got the CH341A and pulled the corresponding files from here https://www.badcaps.net/forum/troubl...evices-and-ele... -
Lenovo V310-15IKB Type 80T3 laptop, i7 7th cpu with dedicated Ati video
sn LR09493E
MB DAOLV6MB6F0 REV. F
The laptop was working fine, the only problem was that when I turned it on, the screen was hard to turn on, it would wait for about 30-40 seconds before an image appeared on the screen.
Initially, I updated from windows to Intel Management Engine 11.8 Firmware, restarted, everything was fine.
Then I updated the bios, also from windows, to the last vs, vs 46. It restarted, those lines with bios update progress appeared, restarted and that's it, since then...