Hello everyone , my Lenovo Legion Y740-17lRHg Bios Corrupted Need Help
Model Name : 81UJ
Serial Number: MP1M554T
Model Name : 81UJ
Serial Number: MP1M554T
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Re: Lenovo Legion Y740-17IRHg Bios Corrupted Need Help
Thank you guys , I think is the hardware issueComment
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Update, I found a shorted GDDR5, after removing it i found the GPU was shorted with 0 ohms.
Usually, there will be integrated GPU with the processor. But in this laptop there wasn't. Therefore when the laptop was started, it just spins the fan and lots of lightworks only.
Had to be used for parts.Comment
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Lenovo Legion Y740-17IRHg (Type: 81UJ, MB: LA-G132P, CPU: i7-9750H, GPU: RTX 2070), a failure occurred during a Bios update and the screen wouldn't turn on, but keyboard would light up. Backed up Bios bin file (see attachment) and attempted to flash the Bios chip (CH341A SPI Programmer with SOIC8 Test Clip, Software: Flashrom on Linux), using what I thought was a good Bios bin file. After a 'successful' flash the keyboard doesn't even light up now, even after I re-flashed back to the old Bios. Hoping to get a Bios file to attempt a flash.Last edited by Kyo_Kun2345; Today, 12:23 AM.Comment
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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... -
Hello, the bios on my Lenovo TD350 ThinkServer got corrupted during a bios update, the bios restore function killed the Server.
I need to flash the bios inside the MX25L12835F SOP8, i have already desolder the chip and solder it into my SOP8 adapter and read it with a ROM programmer.
I use the innoextract 1.9 software to extract the bios file from the .exe file that i download from lenovo website, can you help me edit the Hex file (removing the Index part and resize the file)?
This guy claim to have done it https://forums.lenovo.com/t5/ThinkSe...doesnt-Start-u... -
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 -
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.... -
This specification for the LENOVO Legion Y720 can be useful for upgrading or repairing a desktop PC that is not working. As a community we are working through our specifications to add valuable data like the Legion Y720 boardview and Legion Y720 schematic. Our users have donated over 1 million documents which are being added to the site. This page will be updated soon with additional information. Alternatively you can request additional help from our users directly on the relevant badcaps forum. Please note that we offer no warranties that any specification, datasheet, or download for LENOVO Legion...09-12-2024, 02:30 PM
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