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legion 5 pro 16ACH6H NM-D562 rev.2.0 s/n PF32XDD2 bios chip 25LR128DSIG doesnt turn on, only power led on. I used ch341a and neoprogrammer to read gigadevice and flash GKCN60WW bios. If I press power button nothing happened, but processor is hot. please help to find a solution. I have a laboratory power supply, solder station and hot hair solder station. How can I check voltage on mother board? Thank you, sorry for m English...I am Italian...

Hi all,

I acquired a 16ach6h from a friend who was getting rid, and while the power button illuminates none of the fans etc spin up. I've attached a backup of the bios here, and tried to write a 'fixed' version from another of the threads on Badcaps - but keep getting the error 'file too large for IC' in Asprogrammer, neoprogrammer etc. Would anyone be able to help? I've tried following guides to shorten the .BIN file, but the backup comes to 2048KB and the downloaded one works out at 16384KB. I think the backup is messed up, but in any case I'd appreciate some advice!
...

Hello!
Today i received a Legion 5 pro with motherboard NM-D562 that suffered water damage, no power at all, no led, no fans, nothing.
I measure 20v on PQ5401 at pins 5, 6, 7 and 8 but 0v at 1, 2, 3 and 4.
Is this normal?
Thanks in advance!

Schematics and boardview-> https://www.badcaps.net/forum/troubl...95#post3254995...

Hello my legion 5 pro (16ACH6H) stop working, the BIOS chip as burn but i can't find a dump, lenovo service send me a .exe and can't send me an archive.... If someone could find one for me, I would thank them warmly.

HI AD. my laptop no image.
Laptop lenovo legion 5 pro 16ACH6H
SN : PF3BEV3R
MODEL : MN-D562 REV 2.0
ad help me please...

Good day Experts
I have a lenovo Legion pro 5 16ACH6H with AMD RYZEN 7 5800H and RTX3070,.

A weird issue has troubled me. If i power on off the laptop 20 times then only power LED will lit but no fan spin no display. At this stage gpu, vram. DDR voltage. 5v 3.3v 1.8v and the rest are present and cpu core is stuck at 0.84v.

And sometimes lets say the 21st time it will boot perfectly and there is image and everything is working perfectly and at this stage i see cpu core...

Hello, hope that everyone is well.

I would like to ask for the Lenovo Legion 5 Pro 16ACH6H Schematic & Board View, if anyone has it available.
Searching here I could not find any pdf with these. Are they available somewhere?

Thank you very much,
Panagiotis

Attached is a macro script to copy the DMI (serial number etc) from your backup to a new bios. You can use GKCN60WW from your post or GKCN65WW from this post - https://www.badcaps.net/forum/troubl...00#post3682000

Read the attached README.txt for instructions, and leave feedback if it works ok....

Hello. I'm not very good at English, so I'm using a translator to ask my question. I currently have a LEGION5 PRO 16ACH6H (LEGION5P-82JQ). One day, the power button started working, but the keyboard light didn't turn on, and the system wouldn't boot properly. When the keyboard light came on, it booted properly. I thought there was a problem with the BIOS, so I purchased a ROMWrite CH314A and tried to get it to work. I backed up the information, but it didn't work properly with the data I obtained from there. Is there a way to get the BIOS?

The existing BIOS is gkcn65ww, and 20250807.ZIP...

Hello community,

I need your help regarding a Lenovo Legion 5 Pro 16ACH6H, power button and logo on but no other sign of life

Thank you very much.

With regards....

Hi please somebody can help me with this bios

Marca: Lenovo
Modelo: Legion 5 Pro 16ACH6H
Bios Chip: Wisbond 74M12JWSIQ
Mainboard Model: HY660 HY601 HY561 HY572 HY56C HY57K NM-D562 Rev: 3.0
Date fab: 2021
Sn: PF3BAAFT
MTM: 82JQ00FEUS

Legion 5 Pro-16ACH6H Laptop (Lenovo) - Type 82JQ...

lenovo legion 5 pro 16ach6h nm-d562 rev 3.0.
only has light on power button and back of the lcd cover. no fan spin. problem after update windows
SN PF3C0YQQ
MO PF9XB1B22412
MTM 82JQ00L2ID
Please reconstruct my bios. or any suggestion for this problem?

thanks in advance...

Hello friends, can anyone help me?
I have a Lenovo Legion 5 Pro 16ACH6H, Board: NM-D562 REV.3

problem is that there is no +3VALW on the PL6201 and also +0.75VALW on the PL7701. The +3VALW is provided by the PU6201 using PQ6201 and PQ6202. The +0.75VALW may not be present because +3VALW is not present.
The PU6201 is responsible for:
- +3VALW
- +5VALW
- +3VLP
- +5VLP
All but +3VALW are available. The output for +3VALW is activated on pin 6 of the PU6201 from EC. I have 0V here. I have measured the +3VALW rail and found no abnormalities. When...

Hi i want to learn how to repair my lenovo legion 5 pro 16ACH6H who turns on but no videoooooooooooooooo!