IdeaPad 5 Pro 16ach6 bios

[didoee]

NB3029_MB_U_V4 - start with no picture. I am attaching the bios dump.

[hoaca388]

NB3029_MB_U_V4 - start with no picture. I am attaching the bios dump.

Where 's serial number ?

[max_sneka2]

Try This and Reply

[didoee]

Try This and Reply

Unfortunately, the situation is the same. The voltages on the board seem correct except for the lack of 3.3v to the EDP at power-up.
Serial number is: YX02EEZY

[hoaca388]

Unfortunately, the situation is the same. The voltages on the board seem correct except for the lack of 3.3v to the EDP at power-up.
Serial number is: YX02EEZY

You have to solve the problem of lack of power, bios cannot replace it.

[didoee]

You have to solve the problem of lack of power, bios cannot replace it.

3.3 v next to the EDP switch is there, but no one controls it. I will look at the diagram again.
I have also tried with a monitor on the HDMI port - no picture.I do not rule out the possibility of damaged memory that is soldered to the mainboard.
Num Lock and Caps Lock are also unresponsive, for this I went to bios or ec dump IT8987E

[didoee]

Hardware wise everything looks normal. Still looking for bios or ec dump.

[SMDFlea]

Start a new thread in the main laptop troubleshooting forum for help, its not a bios issue at the moment -> https://www.badcaps.net/forum/troubl...mobile-devices

[Yaser]

Try This and Reply

this file not working

[Yaser]

NB3029_MB_U_V4 - start with no picture. I am attaching the bios dump.

This file is working

[bios-bandit]

Hello Badcaps People,

This is my first time posting here, but I've understood this is the best place when looking for expert assistance! Thanks for having me.

My problem is the following: My laptop (used to... see below) works good, except that the bios/UEFI settings are locked behind an "System Password". This is strange, since I've bought it new and can't recall setting the password. I've contacted the seller, no luck. I've contacted Lenovo, they can't/don't help. I've also tried other methods, with no luck. A repair shop has tried to update the bios to solve this problem, but no luck. They concluded that the only option is to read the bios chip and flash a corrected version. I'm new to this, but have given it a go.

I have used a ch341a programmer to read my bios chip of my laptop. After several attempts, I finally got the software (NeoProgrammer) on a different laptop to recognize the chip. I then read the bios and got a .bin file that was not only F's (not empty). I did not erase anything or write something new to the chip. I disconnected the programmer and reassembled the laptop. However, when I try to restart my laptop, I only get a black screen. The keyboard lights up initially (as normal) and the fans start spinning at a constant rate being relatively loud (not usual). The screen powers on, i.e., becoming less black than turned off, but stays completely black afterwards. It remains in this state even after waiting for a while (10-15+ minutes).

I therefore have 2 questions:

1. How can I repair my laptop? (I don't understand how, if nothing was changed in the bios chip, the laptop suddenly does not turn on)
2. Can the bios .bin file (see attached file) be corrected so it doesn't have a password? And will flashing this version solve the issue?

PS. Online someone send me a bios .bin file for the Lenovo IdeaPad 5 Pro 16IHU6. I think this uses a different motherboard, so therefore thought it wasn't wise to try and flash this. Is this true or can it be used to try and recover my device? These files are also attached, if it helps.

=== More Context ===

Note: The NeoProgrammer also mentioned possibly needing an Adapter:

Current programmer: CH341 Black
SPI ID: EF6018
---------------------------------------------------------------------------
Currently selected: W25Q128FW [1.8V] 128 Mbits, 16 Mbytes
!! Adapter required !!
Adapters\CH341\SPI_1.8v_Adapter.jpg
---------------------------------------------------------------------------
Current programmer: CH341 Black
22:49:29
Reading memory... Main Memory
Success
Execution time: 00:02:35.147
CRC32 = 0xA28C2C5B

=== Additional Info ===
Laptop name: Lenovo IdeaPad 5 Pro 16ACH6 (note: not 16
Product number: 82L5008DMH
Serial number: YX02LE6H
Bios version: GSCN40WW
Processor: AMD Ryzen 7 5800H with Radeon Graphics
Storage: 952.6 GB
Installed RAM: 16 GB (13.9 GB usable)
Device ID: C1F20516-6BFC-40D1-B178-0AF177348910
Product ID: 00325-82190-15303-AAOEM

Bios chip name: Winbond 74W12JWSIQ 2025

I've tried to be as complete as possible in this post, hopefully someone is able to assist me. Please let me know if more information is needed. I'm really stuck without my laptop and lack the experience and expertise to do anything about it.

Kind regards.

[SMDFlea]

Thread merged.

[m1ch43lzm]

I have used a ch341a programmer to read my bios chip of my laptop. ....
....
I therefore have 2 questions:

1. How can I repair my laptop? (I don't understand how, if nothing was changed in the bios chip, the laptop suddenly does not turn on)
2. Can the bios .bin file (see attached file) be corrected so it doesn't have a password? And will flashing this version solve the issue?

Note: The NeoProgrammer also mentioned possibly needing an Adapter:

Currently selected: W25Q128FW [1.8V] 128 Mbits, 16 Mbytes
!! Adapter required !!
Adapters\CH341\SPI_1.8v_Adapter.jpg

=== Additional Info ===
Laptop name: Lenovo IdeaPad 5 Pro 16ACH6 (note: not 16
Product number: 82L5008DMH
Serial number: YX02LE6H
Bios version: GSCN40WW

Bios chip name: Winbond 74W12JWSIQ 2025

.

Your password was

lol

L - Lima
O - Oscar
L- Lima
(I'm serious)
Maybe someone set that password as a prank without you knowing...

1. Most likely you damaged the BIOS chip by supplying 3.3V to it (hopefully nothing else on the motherboard including CPU), you used a CH341A which is for 3.3V chips, your BIOS chip is W74W12JWSIQ, which is 1.8V, you have to use additional 1.8V adapter with the CH341A for this BIOS chip, as the BIOS chip is connected straight to the CPU on AMD platform
2. Your backup looks good, I will provide a new BIOS with the (encrypted) DMI data (including serial/model name/MTM and Win key) copied from your existing BIOS anyway, it will have no password (if laptop works, you have to deal with BitLocker next), the BIOS chip may need to be replaced if you connected the CH341A without using 1.8V adapter

ideapad 5 Pro-16ACH6 Laptop - Type 82L5
BIOS ver. GSCN40WW
S/N YX02LE6H
MTM 82L5008DMH

PS. Online someone send me a bios .bin file for the Lenovo IdeaPad 5 Pro 16IHU6. I think this uses a different motherboard, so therefore thought it wasn't wise to try and flash this. Is this true or can it be used to try and recover my device? These files are also attached, if it helps.

That "someone" sent you a BIOS for Intel CPU laptop, yours is AMD, that's the first red flag 🚩