need BIOS for Thinkpad T15 gen 1, type 20S6, NM-C931
original bios power up and no image, error 0001
original bios power up and no image, error 0001
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Last edited by hoaca388; 10-21-2022, 08:27 AM.
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Re: Thinkpad T15 Gen 1 BIOS
thanks hoaca388. with your bios power button blinks 3 times when I connect power then no reactionsComment
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lenovo T15 gen 1
notebook turns on with a blank display num lock not working....ori file is attached ...mechine type num is:20S6-CT01WW....mobo code is GT4A0 /GT5A1/GP4A0/GP5A1/GT4A2 NM-C931 rev 1.0Comment
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All donations to Badcaps are welcome.
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looking for bios bin file
Lenovo ThinkPad t15
type 20S7Comment
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Backup,serial number ?
RULES UPDATE for BIOS requests/offers AVOID BANNING, READ BEFORE POSTING
https://www.badcaps.net/forum/troubl...before-posting
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Laptop is charging but does not turn ON
Lenovo ThinkPad T15 Gen 1
GT4A0_GT5A1_GP4A0_GP5A1_GT4A2_NM_C931_REV_1_0
Type 20S7-S4M800Comment
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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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Lenovo ThinkPad T15 Gen 1
GT4A0_GT5A1_GP4A0_GP5A1_GT4A2_NM_C931_REV_1_0
Type 20S7-S4M800
serial number PF-31MZ0EComment
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Hi.
Can someone help me? Thinkpad T15 Generation 1 - the laptop turns on, charges the battery, shows no image. I have tried many bios, it does not even turn on on another bios. Only on the original bios it turns on, but as I wrote without an image on the display.
The laptop does not go through the POST procedure after turning on. It seems to me that these may be damaged built-in RAM, but first I have to rule out damage to the bios.
Could someone check my bios, or maybe someone can post a bios that works properly?
Thanks in advance
Lenovo ThinkPad T15 Gen 1
GT4A0/GT5A1/GP4A0/GP5A1/GT4A2
NM-C931 REV 1.0
Type 20S7-S3EE00
serial number PF-22YRXJComment
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Lenovo Thinkpad T15 gen 1
Serial Number: PF29NYVZ
Type Number: 20S6-000SGE
Board Number: NM-C931
Hello a question is possible to deactivate the 8GB onboard RAM in BIOS in a Lenovo T15 Gen1.
Otherwise there is probably no other way to reballing the RAM
Thank youComment
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Thanks for the answer but what exactly should I edit in the file. Well I've never had the problem.Comment
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t15 gen 1 nm-c931 bios update error, now it beeps when booting up, please help me rebuild it
SN :PF2BF6CT
TYPE : 20S6-0029USComment
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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... -
Good day. I apologize if I posted this in the wrong topic. I saw somebody selling a Thinkpad E495 with a Ryzen 3500U CPU near me. In the pictures the laptop is running windows 10. I contacted the seller and asked a few questions about upgradability and if it has a bios password on it. He confirmed it has a bios password. I searched through the forum, I found a guide regarding removing the bios password using the autopatcher, I also found a thread with the e495 where people requested help with unlocking the bios password.
I have a few questions:- If I would buy this laptop and have
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Hi everyone, hope everyone's having a great day.
I have a Lenovo Thinkpad X1 Yoga Gen 3 for repair. (20LES3T900)
I looked in every corner and the laptop seems fine. Its pulling 500mA but no display, no noise, nothing.
So I assume its a BIOS issue. I downloaded the BIOS with CH341A and opened it on ME Analyser and didn't receive any errors.
Does this mean the BIOS is fine? making it a hardware issue?
I downloaded fresh BIIOS from the Lenovo site and used Hex Editor replace the Lenovo's BIOS into my BIOS region. But the file size ended up being... -
As per the the rules, here are the specifications of my laptop :- Make and model number : Thinkpad T440P
- Serial number (S/N) : PB-03A7V7
- Model type - Model (MTM) : 20AW-S2N800
- Bios version : 2.50 (not 100% sure, that's what I remember)
- Upgrade screen, keyboard, trackpad, RAM and CPU
- Reboot and use the laptop for a bit : everything is working fine
- Shutdown (no power) and upgrade WIFI with unsupported chip (AX210)
- Boot up the device : bios warning, as expected
- Shutdown the device again (no power)
- Connect the 8-pin clip of a CH341a
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Following this guide (https://www.reddit.com/r/thinkpad/co...g_and_flashing) i re-flashed my t480s BIOS using an external (CH341A) programmer. The flash didnt work, so i reverted back to my BIOS backup successfully. The BIOS in the chip and the BIOS backup file are identical according to windows' file compare. The revert, however, didnt work: the only thing the computer does is flash the power button 3 times when AC power is connected. I've tried unplugging the CMOS battery, holding the reset button and holding down the power button- no signs of life....
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