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Lenovo Thinkpad T480 BIOS and EEPROM request
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Please help Clear the Bios Password Lenovo T480
MB Part No: NM-B501
Laptop Serial No : PF-1K59S7Attached FilesLeave a comment:
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Hello guys I really need your support because i tried to modify my bios and flashed it and after that nothing worked anymore...
My Thinkpad T480 doesnt turn on anymore and there are no lights, fan spinning etc... - so basically dead. The only thing working is when i plug it via AC then it charges.
I flashed the bios Chip with a lot of other verions provided in this post and nothing helped unfortunalty.
My Setup is the following:
Lenovo Thinkpad T480
Type: 20L6-S29E0C
S/N: PP-1QC3TB
Mainboard: i can"t tell you the exact Mainboard because i couldnt find any information about it on itself but i guess its ET480 NM-B501 as usual because i havent seen any other serial number for it.
I would really appreciate the help because i really despair at this task.
So if someone could help me and also need some more information i would love to provide them.
(If its possible to give me an bios with a patched version (advanced menu, overclocking and erasing wwan whitelist) it would be even more perfect but not needed)
I have no back up bios - because mine was broke and the only thing that matter is that my T480 will work again.
Best regards and Thanks
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Please need help to remove supervisor password, I've been tried run Lenovo auto patcher and its doesn't work, after power on my laptop "sings" or melody after few second and no picture.
Type T480 20L5-20L6
S/N PF1GR4NL
Bios Version : N24ET79W 1.54
Thank's for your help.Leave a comment:
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Thank you for your response and for your assistance.
I attempted to patch the file you provided, but the issue persists.
The system plays the startup melody followed by a blank screen (no display output).
When I revert to the original file you shared, the device boots successfully, but the BIOS remains locked.Attached FilesLeave a comment:
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Hi, I've been trying to unlock my T480's BIOS for over two weeks now.
I followed all the instructions, tried AutoPatcher and other BIOS versions, but no luck.
I found out that if the CRC check is wrong, the laptop plays a beep and shows a black screen. I fixed that issue, but now I'm stuck at a stage where the laptop just shuts down.
If I restore the original BIOS, it asks for the password again and stays locked. What can I do???
Type: 20L6-SDR213
Serial No: PF-14H8HB
Bios N24ET77W (1.52 )
Attached FilesLeave a comment:
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Hi, I've been trying to unlock my T480's BIOS for over two weeks now.
I followed all the instructions, tried AutoPatcher and other BIOS versions, but no luck.
I found out that if the CRC check is wrong, the laptop plays a beep and shows a black screen. I fixed that issue, but now I'm stuck at a stage where the laptop just shuts down.
If I restore the original BIOS, it asks for the password again and stays locked. What can I do???
Type: 20L6-SDR213
Serial No: PF-14H8HB
Bios N24ET77W (1.52 )
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Hi, I need clear ME for my T480
Type 20L6-SDBL03
SN: PF-1XFTJ6
Tried autopatcher, but during operation it shows error that bin is corrupted. Can anyone help me?Attached FilesLeave a comment:
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I used autopilot remove from Maxpower 3 post, used lenovo autopatcher on it and and then writ it on the laptop ,press space few times , then write back my own original dump and the passwort wass gone .. i have no idea what i did and why its work but its works, thx all for help!.Last edited by tracker1; 03-07-2025, 02:25 AM.Leave a comment:
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Need help to remove supervisor password, tryed lenovo autopatcher and its doesnt work( "sings" after few second and no picture).
Type 20L6-5SDR1S
S/N PF-1MNEN3 19/03Attached FilesLeave a comment:
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Attached FilesLeave a comment:
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hello the laptop turn on and is on black screen, no video can you clearme , my bos thanks
sn: pf-1gz3kwAttached FilesLeave a comment:
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try
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Hello,
i have an Lenovo T480 with a company block or something like this.
Whenever i tried to install Windows OS i have to connect to a company.
Can someone help me to delete this?
Thank you
My laptop:
Lenovo T480
Type: 20L5-0007GE
SN: PF-0YZ1R8
Attached FilesLeave a comment:
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T480 Laptop (ThinkPad) - Type 20L6
Serial _PF18HCAF
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I mucked around with my bios a bit too much and now it doesn't power on, however still charges. I'm suspecting a fried motherboard and ordered a new motherboard just in case.
I would be grateful for some help
Type 20L6-S3H109 SN PF-18HAFAttached FilesLeave a comment:
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Just a question, by unlocking the advanced bios menu you can exceed the temperature limit of the GPU and CPU?Leave a comment:
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This specification for the Lenovo ThinkPad T480 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the T480 boardview and T480 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 ThinkPad...09-06-2024, 03:21 PM
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This specification for the Lenovo ThinkPad T480 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the T480 boardview and T480 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 ThinkPad...09-06-2024, 02:34 PM
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This specification for the Lenovo ThinkPad T480 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the T480 boardview and T480 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 ThinkPad...09-06-2024, 02:28 PM
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This specification for the Lenovo ThinkPad T480 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the T480 boardview and T480 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 ThinkPad...09-06-2024, 12:30 PM
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This specification for the Lenovo ThinkPad T480 Notebook can be useful for upgrading or repairing a laptop that is not working. As a community we are working through our specifications to add valuable data like the T480 boardview and T480 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 ThinkPad...09-06-2024, 11:39 AM
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