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Did not fully check but i could previously boot windows from this laptop even if it was a locked bios. However now, it simply asks to go to setup mode where it asks for password. Oof. Would be a great help if anyone can at least turn the original file back in a usable state.Comment
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Flashing multiple different bios filles from here either did not clear the password or just straight up bricked the bios entirely. Looking at the board schematics there is supposed to be an EEPROM in my board but there is no chip on the place where there is supposed to be an EEPROM on the physical board. Hence my next conclusion was that the password might be stored in the EC (in this case it is IT8886HE), which led me to master Maxpower3's EC bypass guide. I am a novice when it comes to this stuff. From this i was atleast able to recover my original bios file which lets me access the bios with limited features. I can now boot stuff as i used to. However the password still exists on the bios. I have tried shorting LAD0:3 pins (corresponding to pins 7-10 in my board) one by one dozens of times and i am not able to remove the password. The laptop just hangs as long as i keep shorting one of those pins. It is only after i release the pins when the setup continues as normal.
Am i missing something?
Any suggestion is highly appreciated
Thank YouComment
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For anyone else in the same situation as me.
You gotta spam F1 when the Bad SVP data error pops up on shorting the EC pin. For me, pin no. 10 corresponding to LAD0 worked. It dosent matter if the screen is black just keep spamming once that error pops up. I had almost given up on this laptop until i found the legend Maxpower3's ECbypass guide on this forum:
https://www.badcaps.net/forum/troubleshooting-hardware-devices-and-electronics-theory/troubleshooting-laptops-tablets-and-mobile-devices/bios-requests-only/3237235-lenovo-thinkpad-ec-pwd-bypass
I was finally able to bypass password by this method. Huge thanks to him and SMDFlea and all others that contributed on this forum. I am grateful.
Hope this helps others.Comment
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Hello guys my bios lenovo yoga 11e failed please help me fix the bios issue, P/N SL10M89818Comment
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I Have Lenovo 11E
SN: LR0A7N2N
SYSTEM BOARD SN :A1SH791016L
The Bios Has : 0189 invalid RFID Configurations information Area
on boot up it says hat all the time ''''
PLEASE HELP ME ??? ATTACHED IS THE FILE I GOT FROM THE CHIP I DONT KNOW IF ITS ORIGINAL OR NOTAttached FilesComment
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Recently I used the official Lenovo bios updater software on my ThinkBook 13s G3 ACN (20YA0005GE). The updating process failed and I got a black screen after powering the device. Of course I did not make an own backup before using the Lenovo bios updater.
I bought a CH341A programmer and was able to make a connection to the chip while it is still soldered on board. But I did not realise that the chip was a 16MB size and selected the wrong size (8Mbit / 1 MByte) before reading the content of my chip. So the dump I did before erasing the chip is only 1MByte big. I fear that I lost... -
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.... -
I've currently got a Lenovo Yoga Slim 7 14APU8 that is not posting. Its fan spins, the keyboard lights up, and the caps lock doesn't work. It was taken to some shop for cleaning, and then they updated or tried to update the bios. After that, there was no display and no post. I've removed the bios ic from the board and made a bios dump. I need some assistance going forward, as I suspect this is probably just a bad bios issue. I've tried searching for a dump, but no luck; if anyone can throw me a bone, it would be much appreciated!
Attached is the bios dump in the state I received it... -
Good day, everyone!
I'm encountering an issue with my Lenovo X1 Yoga 5th Gen laptop related to the BIOS supervisor password. I'm seeking assistance and guidance from the knowledgeable members of this community in resolving this problem.
I am no expert and cannot perform soldering or unsoldering of the chip from the board. Therefore, I attempted to use an EZP 2023 programmer with a clip to extract the BIOS bin file without removing the BIOS chip from the motherboard. The BIOS chip has the following letters imprinted on it: "Winbond 25Q80DVNIG 2026". I used the... -
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...
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