Lenovo Yoga 11e(4th gen) bios

Collapse
X
 
  • Time
  • Show
Clear All
new posts

  • LBTT1121
    replied
    Originally posted by Watt12
    PLEASE HELP BIOS FILE LENOVO DALI8KMB8D0 REV D
    and what is your problem??

    post motherboard model, Service Tag , etc.
    post the contents of the bios chip even if it is corrupted..

    Leave a comment:


  • Watt12
    replied
    PLEASE HELP BIOS FILE LENOVO DALI8KMB8D0 REV D

    Leave a comment:


  • Elinux
    replied
    I find it hard to believe that any of you have achieved this due to the lack of a propperly unlocked BIOS dup file that is 16MB.

    Leave a comment:


  • bankstattoos
    replied
    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 NOT
    Attached Files

    if you find these attachements useful please consider making a small donation to the site

    Leave a comment:


  • Christian Frank
    replied
    Hello guys my bios lenovo yoga 11e failed please help me fix the bios issue, P/N SL10M89818

    Leave a comment:


  • Mohammad Ali Hamza
    replied
    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.

    Leave a comment:


  • Mohammad Ali Hamza
    replied
    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 You

    Leave a comment:


  • Mohammad Ali Hamza
    replied
    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.
    Attached Files

    if you find these attachements useful please consider making a small donation to the site

    Leave a comment:


  • Mohammad Ali Hamza
    replied
    Originally posted by hoaca388

    Yoga 11e 4th Gen Laptop (ThinkPad) - Type 20HS

    Hey, thanks for sending that file. At least it posts. However, code 0183: Bad CRC of security setting in EFI variable is displayed and the bios is still locked

    Leave a comment:


  • hoaca388
    replied
    Originally posted by Mohammad Ali Hamza

    Sorry.
    Heres the S/N: LR-08SGL7
    Yoga 11e 4th Gen Laptop (ThinkPad) - Type 20HS

    Attached Files

    if you find these attachements useful please consider making a small donation to the site

    Leave a comment:


  • Mohammad Ali Hamza
    replied
    Originally posted by SMDFlea

    Thread merged. Read the rules please, type and post the laptop serial number - https://www.badcaps.net/forum/troubl...before-posting
    Sorry.
    Heres the S/N: LR-08SGL7

    Leave a comment:


  • SMDFlea
    replied
    Originally posted by Mohammad Ali Hamza
    Thank you for that
    heres the backup.
    Thread merged. Read the rules please, type and post the laptop serial number - https://www.badcaps.net/forum/troubl...before-posting

    Leave a comment:


  • Mohammad Ali Hamza
    replied
    Originally posted by Bonzas
    where is the backup, you can upload here
    Thank you for that

    heres the backup.
    Attached Files

    if you find these attachements useful please consider making a small donation to the site

    Leave a comment:


  • Bonzas
    replied
    where is the backup, you can upload here
    Attached Files

    if you find these attachements useful please consider making a small donation to the site

    Leave a comment:


  • Mohammad Ali Hamza
    replied
    Hello,

    I got a bios locked lenovo thinkpad yoga 11e 4th gen (model 20HS). I tried shorting the data and clock pins on the bios chip but that just ended up corrupting the bios as it wont post anymore. The bios is attached in the message. Can you guys help me potentially un-corrupt and unlock this bios file if possible? I am saying this because i have already exhausted my options trying out some of the bios files posted here for my board no. (DALI8KMB8DO: rev D) but they just wont post. Only the fans move.

    PS cant seem to insert bios so i guess ill attach a link to a filesharing site hosting the file.

    Badcaps Electronics Repair Forum & Schematic Search

    Leave a comment:


  • Mohammad Ali Hamza
    replied
    Originally posted by tuxblack
    Hi, i take a pictures of the Motherboard DALI8KMB8D0, i just find block diagram but no boardview to check the IC´s to find EEPROM chip, if any1 can help with this and diagram to locate U13. Many thanks


    Click image for larger version Name:	1 Front Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D_____.jpg Views:	0 Size:	2.21 MB ID:	3508145 Click image for larger version Name:	2 Front Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D____.jpg Views:	0 Size:	1.83 MB ID:	3508146 Click image for larger version Name:	3 Front Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D___.jpg Views:	0 Size:	1.48 MB ID:	3508147 Click image for larger version Name:	4 Rear Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D__.jpg Views:	0 Size:	1.19 MB ID:	3508148 Click image for larger version Name:	5 Rear Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D_.jpg Views:	0 Size:	1.60 MB ID:	3508149 Click image for larger version Name:	6 Rear Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D.jpg Views:	0 Size:	1.98 MB ID:	3508150

    Hi
    I am in the exact same situation as you
    Same board no. had a locked password. Tried reflashing several bioses here. The only one that worked was the one which worked for you, only the fact that even that bios was locked. I got no clue where to proceed from here.

    Leave a comment:


  • hoaca388
    replied
    Originally posted by tuxblack
    Hi all, i FOUND IT, TSSOP and EEPROM, just ghost component. LOL, look page 20 & 26 of schematics diagram and look the picture of motherboard, just nothing there jejej. where is stored the password then?.
    Click image for larger version

Name:	5 Rear Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D_.jpg
Views:	417
Size:	1.64 MB
ID:	3509367
    Seve here Click image for larger version

Name:	2 Front Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D____.jpg
Views:	452
Size:	2.14 MB
ID:	3509443

    Leave a comment:


  • tuxblack
    replied
    Hi all, i FOUND IT, TSSOP and EEPROM, just ghost component. LOL, look page 20 & 26 of schematics diagram and look the picture of motherboard, just nothing there jejej. where is stored the password then?.
    Click image for larger version

Name:	5 Rear Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D_.jpg
Views:	417
Size:	1.64 MB
ID:	3509367

    Leave a comment:


  • tuxblack
    replied
    Hi, i take a pictures of the Motherboard DALI8KMB8D0, i just find block diagram but no boardview to check the IC´s to find EEPROM chip, if any1 can help with this and diagram to locate U13. Many thanks


    Click image for larger version  Name:	1 Front Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D_____.jpg Views:	0 Size:	2.21 MB ID:	3508145 Click image for larger version  Name:	2 Front Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D____.jpg Views:	0 Size:	1.83 MB ID:	3508146 Click image for larger version  Name:	3 Front Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D___.jpg Views:	0 Size:	1.48 MB ID:	3508147 Click image for larger version  Name:	4 Rear Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D__.jpg Views:	0 Size:	1.19 MB ID:	3508148 Click image for larger version  Name:	5 Rear Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D_.jpg Views:	0 Size:	1.60 MB ID:	3508149 Click image for larger version  Name:	6 Rear Lenovo ThinkPad Yoga 11e 20HS Quanta DALI8KMB8D0 REV D.jpg Views:	0 Size:	1.98 MB ID:	3508150
    Attached Files

    if you find these attachements useful please consider making a small donation to the site

    Leave a comment:


  • tuxblack
    replied
    idk if shorting EEPROM, but i cant find it, i dont know the kind of eeprom chip. In datasheet says is this Soic W25X40CLSSIG, i cant find it. U13, but no1 with these label

    Thank You

    Leave a comment:

Related Topics

Collapse

  • to5it0
    Need Clean BIOS/EC Bin File for Lenovo ThinkPad Yoga 11e 2H1703-27220F Rev. A Marked as U2501 on the motherboard.
    by to5it0
    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...
    10-24-2025, 01:35 AM
  • maeson
    BIOS Request - Lenovo Yoga L13 Gen3 (AMD)
    by maeson
    Hi dear Badcaps-Community,

    Somehow an auto update, which I triggered before I left my laptop unattended, bricked my BIOS.
    I was able to extract the 2MB BIOS and 16MB BIOS which I will attend. (CH341B black with NeoProgrammer 2.2.0.10)

    The Device is a Lenovo Yoga L13 Gen3 and I was able to identify the following specifications:

    Lenovo Yoga L13 Gen 3 AMD:
    Lenovo Modell: Type 21BB
    Artikelnr.21BB006GGE
    Seriennummer: PW0A6207
    AMD Ryzen™ 5 PRO 5675U
    Memory 16 GB DDR4-3200MHz
    SSD: 512 GB SSD, M.2 2242, PCIe Gen4, TLC,...
    10-31-2025, 03:08 AM
  • DiddiAb
    BIOS Backup / extract 16MB .bin - Lenovo ThinkBook 13s G3 ACN - 20YA0005GE
    by DiddiAb
    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...
    03-11-2023, 03:15 AM
  • Wahaz
    Lenovo Thinkbook 15 G2 ITL i5 (serial number: MP2BFZEF) bios request
    by Wahaz
    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....
    10-30-2023, 08:42 PM
  • beogeek
    Lenovo Yoga Slim 7 14APU8 Bios Request
    by beogeek
    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...
    10-24-2024, 12:54 PM
  • Loading...
  • No more items.
Working...