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Greetings from Germany, thanks to this thread i was able to fix my Laptop with the bios posted in here (Version 44ww). In my first attempt to downgrade with the normal installer i bricked my device, now i want to use the CH341a and need to shrink the bin file of the installer so that i can write to the chip manually. I want to install the Version 27WW. and was hoping some could shrink it for me. Thanks in Advance.Comment
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Post the serial number https://www.badcaps.net/forum/troubl...before-posting
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Oh of course SMDFlea her is my model number "lenovo legion y540-17irh" and my Serial number "PF1VZCGZ"
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SMDFlea Okay its not corrupted though, i want to downgrade so that undervolting is unlocked again. And thank you very much for your help! ^^Comment
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I need help with my legion Y540, it powers on with keyboard light and it's also charging.
I have programmed eventually all the bios file in this thread, each giving different symptoms
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Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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you wrote the DMI information in another interval... if you write it correctly it will work.. try again.. make a copy of the original bios before writing..Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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yes... you don't make any more changes... it works even without DMI... but you will get a message to this effect every time you turn on the laptop... remove the bios chip from the board before writing... this is if the problem is the bios and you write it correctly..here is a video as an example...https://www.youtube.com/watch?v=DWWigscuQDY
Due to a lack of donations, server free space at a critical level, and possible closure of Bios Requests all donations are welcome, click:
>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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Hi can you guys clear me this bios
Lenovo Y540 15irh
Sn no. PF149W79Comment
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Hi everyone ! I buy recently a Y540-15IRH 81sx for gaming, was perfectly fine for month, then i updated everything with Vantage and they apparently updated the bios. Unfortunatly, after restart, i can't get any post on display, it's black, no backlight.
The keyboard light up for 5 sec with fan at low speed, then stop, after 60 sec the laptop turn fan to max speed, i can heard a this time the windows boot intro sound, then it shut down after 10 sec.
I already tryed to reflash the bios via a CH341a with almost all bios i found of this model on the forum, but no sign of life...
I put here my old dump, if anyone can get me a clean bios that work, i would be very grateful ! TYComment
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https://www.badcaps.net/donate/
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Hey, Oups my bad here he is : PF2JYVLNComment
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Hello,
I have a Lenovo Thinkbook 15 G2 ITL i5 Laptop (serial number: MP2BFZEF) that when I turn it on, the led on the power button lights up for 5 seconds, then goes out. There's no display and nothing happens.
So I thought it was a Bios problem.
I found 3 bios chips on the board, which I read with a bios programmer: two XMC model bios chips and a Winbond model bios chip. Each XMC model bios chip has two partitions named XM25QH128A [3.3V] and XT25F128A [3.3V]. And the Winbond model bios chip has three partitions named W25Q80BL 3.3V, W25Q80xV 3.3V and W25Q80DV 3.3V.... -
Hello there.
I am working on a Lenovo Legion T5-26AMR5 desktop that currently has a corrupt BIOS and I have been unsuccessful thus far in trying to fix it myself.
History:
1. This computer came to me initially with an error message that said "BiInitializeLibrary failed 0xc0000001" or "0135 fan error". It would always be one of the two errors. It should be noted that when it produced the fan error, there was no physical problem with the fans. They were all spinning just fine.
I searched for this error online and discovered... -
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 -
Good morning, gentlemen, I hope you can help me with my laptop, I told you that I saved it about 2 years ago because it wouldn't turn on, now I have a ch341a programmer, I made a backup of the bios, I flashed an original downloaded from lenovo and it started, but it turned off after a few minutes, I entered the bios configuration and the brand, model, serial number, windows serial number, etc. did not appear, I request your help, I did everything I found in the forum but I could not solve it, also now it won't start again, it turns on but the fan does not turn, I will share all the information... -
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...
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