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Lenovo x1 carbon
SN/ R9-0B973N 14/11
Problem/ No Display
MB/; LMQ-1 MB 12298-2Comment
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NEW MEMBER HERE
The problem I'm having is i had a bad bios flash trying to unlock supervisor password on Lenovo x1 carbon 20A7 GEN 2
By mistake i deleted bios file and all the its doing it one power on light no boot no post no display nothing.
My Motherboard is
LMQ-1 MB 12298-2 48. 4LY26 . 021
chip mxic MX25L12873F
type20a7-002jus s/n r9-02w67r-14/07
If anyone could help with the bios I'd be grateful thanksComment
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HI guys, everything is ok but bios is not working properly, no display issue. 3v 5v ram v ok
Lenovo thinkpad x1 carbon
Board Code LMQ-1 MB 12298-2 48.4LY06.021
no serial no or model no avail
backup attached
anybody can help for a new clean bios
reagardsComment
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please need bios
LMQ-1 12298-2
48.4LY06.021
Type 20A8-A0KM00
S/N R9-0231EY 14/05Comment
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>>>>> https://www.badcaps.net/index.php?pageid=donate1 <<<<<
Every donation made will go towards server fees and maintenance costs.Comment
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need bin bios for LMQ-1 MB 12298-2
LMQ-1 12298-2
48.4LY06.021
Type 20A8-S2K200
S/N R9-0ARVHW 14/10
cyclic reboot no imageComment
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LMQ-1 MB 12298-2 48.4LY06.021
Hi, I have Lenovo x1 carbon . it turns on but i have no image.
Please help me this is my backup bios bin file.
Type 20A7-0091UK S/N R9-0B3TZN 14/10Comment
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Hi,
I would like to kindly ask if anyone could help, please, and provide a clean BIOS for the following model:
. i5, 8GB RAM
Type: 20A8-S0FQ0M
S/N: R9-0AXF8M 14/10
Thank you in advance,
ElizaComment
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Am uitat parola bios ,cine ma poate ajuta sa o scot ?am atasat biosul mai jos. mb-lmq-1 mb 12298-2 .Si in general daca stie cineva cum se scoate sau daca e posibil .Multumesc.Comment
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ChatGPT a spus:
"I forgot the BIOS password — who can help me remove it? I attached the BIOS below. mb-lmq-1 mb 12298-2. And in general, if anyone knows how to remove it or if it is possible. Thanks.
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Type the laptop serial number, full name and model
read the forum rules..https://www.badcaps.net/forum/troubl...before-posting
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lenovo x1 carbon .processor i5-4gen.mb-LMQ-1 MB 12298-2 48.4LY07.021 .SERAL NUMBER IS DELETED I DON'T HAVE IT
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Hello everyone,
I’m currently working on a dead MSI GP75 Leopard (MS-17E71) motherboard (i7 CPU, NVIDIA GPU) with a no display/no backlight issue initially. After extensive investigation, I’m at a critical stage involving EC firmware, BIOS/ME region interaction, and possible deep corruption. I'm seeking advanced insight from anyone with experience in EC/BIOS sync issues or PCH-level behavior. Here’s a full breakdown:
🧩 Initial Issue- Board powers on (fans spin, keyboard lights up and can be adjusted, caps lock led lights), but no display or backlight
- External display (HDMI) shows
07-24-2025, 02:17 PM -
Hi everyone.
I have an engineering sample of a Lenovo ThinkPad X1 Carbon 11th Gen (TYPE 21HM-2FVT05, S/N PF-40G7CD) with an Intel Core i7 1360P (ES – Intel 0000). Since this is an engineering sample, the BIOS had a massive number of various settings. One day, I was experimenting with the BIOS settings and, after saving them, the laptop stopped booting and played a melody after pressing the power button, signaling error code 0002 (Internal bus error), just like in this post: https://www.badcaps.net/forum/troubl...shooting-lapto... -
Hello everyone,
I recently bought a non-working Asus Zenbook Pro Duo OLED UX8402ZA that was listed for parts only. The seller mentioned that it had no display output but that the charging lights worked.
When the laptop arrived (without a charger and SSD), I connected a charger and confirmed with a multimeter that it was charging the battery. However, when I tried to power it on, only the backlight of the secondary display came on. There was no image, and it didn’t boot into the BIOS.
I decided to try flashing a new BIOS, but since I didn’t want to desolder... -
First of all thanks to all of our members who have posted previously all methods posted here.
Please leave a comment if you find something new,or have anything else to add.
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Enter the serial number or model number and click submit.On the next screen you will have to enter the OS
Operating system and OS version.If... -
Hi, my laptop wont boot at all
With original bios no POST, only LED lights
With alternative BIOS from model TP500LN (flashed via programmer) the notebook works again
Some issues
A- with bios from 500LN, it won't update from bios of model 500LA (from 500LN v203 to 500LA v300)
B- If updated from 500LN version 203 to 300, the battery stops being recognized
Things I tried
1- Update / clear ME: Took the non working bios, made a backup, and did this: https://www.badcaps.net/forum/troubl...theory/trouble...
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