Hi everyone,

could someone help me repairing my original dump. it's LENOVO THINKBOOK 15 G4 IAP Motherboard No: LA-L931P REV 01 S/N: MP2BVZCG

Here is my original dump

thank you...

Dear friends. I am working on a LENOVO THINKBOOK 15 G4 IAP Motherboard No: LA-L931P REV 01. The motherboard turns ON fine with or without battery & AC power, & battery charging is good too. This is for the first time till the power adapter is plugged in. When Laptop is in ON position, as soon as I remove the USB-C main power & plug it back again +20V_VIN is no longer there (Missing) & battery does not charge at all., I thought that the TPS65994-AE Chip was bad., so replaced it with a new good chip, but the problem is still there. On the battery charging chip BQ25710 where pins...

Customer feedback while updating bios the machine turned off.
When you press the power button, the machine runs for 5 seconds and then turns off.
Сould someone help me repairing my original dump?
Thanks in advance.

device:Laptop
brand :LENOVO
Model :THINKBOOK 15 g4 iap
Board no:LA-L931P ,rev1.0
S/N: MP2ЕЕЗ63​...

Lenovo ThinkBook 15 G4 IAP HLXA4 LA-L931P Rev 1A device's onboard rams are faulty how can I disable the rams, can anyone help?
Original bios is attached
Serial No : MP2EF9WE...

Here is the firmware for PD controller U15 CAT24C256WI-GT3_SO8. Extracted with Neoprogramer 2.2.0.10 from laptop:
BIOS: Giga device, GD25R256EYIGR
Lenovo Thinkbook 15 G4 IAP
S/N: MP2EK6MY
MTM: 21DJ009RCK
MO: MPNXB330709A
Motherboard: HLXA4 LA-L931P Rev:1A
Hope I did it right.
Hope it helps....

Hello guys. Seeking for your help. My frends son dropped lenovo thinkbook 15 G4 from bed. Laptop stopped working. Turns on with no picture. Lights on, fan on, charging fine. All voltages present. Although charging coil and driver is bloody hot, going crazy hot is also area around onboard ram, strange.. Tried reflow onboard RAM. RAM has glew. Didnt help. Have none experience with these new laptops. Can I flash any bios on it or must be original from factory, because of the S/N or others? Should I disable onboard RAM? Could be damaged or I damaged it with reflowing. Dont have original flasher socket...

Hello .
Someone help get a latest version of bios(Jfcn51ww) for this model LENOVO THINKBOOK 14 G4 IAP Motherboard No: LA-L931P REV 01 . SN: MP263FAB
Issue : Laptop can not detect SSD on first boot. only after pressing control + alt + del. also power light and fan on after shutdown.
Looking for solution ....

Hello, could you please help me? I've set the BIOS password on my Lenovo PC and I don't remember it. Could you help me decrypt it, or should I flash my BIOS chip? I'm a novice. If you could help me, I'd really appreciate it.
Model:
LENOVO THINKBOOK 15 G4 IAP Motherboard No: LA-L931P REV 1A S/N: MP2E6NZB
BIOS Chip: XMC25RH256CX
I used the CH341a programmer and AsProgrammer 2.1.2.
The BIOS chip wasn't recognized directly, nor with the Neo Programmer software. It only detected: SPI: 204319
But in the direct chip search, I managed to read it by entering the chip...

NOT DISPLAY
Lenovo Thinkbook 15 G4 IAP
S/N: MP2KF1XJ
MTM:21DJ00SUUS...

bios extracted from the update site Lenovo penyru BIOS Update for ThinkBook 14 G4+ IAP, ThinkBook 16 G4+ IAP

DMI 375000 - 376000...

I'm searching for schematic and/or boardview.

Board: Compal HLXA4 LA-L931P Rev. 1A

NEED Lenovo thinkbook 13s GEN4 IAP Schematic and BoardViewer

Processor : 12Gen Intel Core i7-1260p
Ram: LPDDR5 16gb

Problems with the board, I really need a scheme!
Thank you in advance!

MODEL NAME LENOVO THINKBOOK 14 G4 IAP, S/N MP2LZKCJ, motherboard model, HLXA4 LA-L931P REV 1A

Customer feedback while updating bios the machine turned off
Please help me

device:Laptop
brand :LENOVO
Model :THINKBOOK 15 g4 iap
Board no:LA-L931P ,rev1.0​
S/N: MP28T0CR...

https://www.badcaps.net/forum/troubl...-or-board-view...