5-15ITH6H, Legion 5 Pro-16ITH6H, Legion 5-17ITH6, Legion 5-17ITH6H, Legion 5 Pro-16ITH6, Legion 5-15ITH6 bios

[bodincatalin]

I put the pictures to show that the equivalent that i use was good! I mentioned why i attaah the pictures!

[rollerclp]

Hi,
Can someone help me with this BIOS? power comes on but nothing on screen, keyboard backlight lights up once and then nothing.

Lenovo Legion 5 Pro 16ITH6H
MO: PF6XB1A25043

Thank you.

[SMDFlea]

Thread merged..next time look for a thread with the name and model, motherboard model of the laptop, and post there, if you can't find it, then make a new thread.

[AHSAN TARIQ]

Hi,
Can someone help me with this BIOS? power comes on but nothing on screen, keyboard backlight lights up once and then nothing.

Lenovo Legion 5 Pro 16ITH6H
MO: PF6XB1A25043

Thank you.

bro 2nd bios upload

[rollerclp]

bro 2nd bios upload

Sorry, here's the dump of both bios.
Thanks

[peste]

Sorry, here's the dump of both bios.
Thanks

you have everything you need at post #6...


https://www.badcaps.net/forum/troubl...-1#post3615000

[Irina Kessler]

Hello.
Can you please get me a bios fix ? Black screen , keyboard lights at startup than goes off.

Lenovo Legion 5 Pro 16ITH6H Laptop
SN : PF2RCS9T
Factory ID: JVHFC1
MTM: 82JD000WRM
Bios dumps attached. Both 8MB and 16MB.
Thank you.

[SMDFlea]

Hello.
Can you please get me a bios fix ? Black screen , keyboard lights at startup than goes off.

Lenovo Legion 5 Pro 16ITH6H Laptop
SN : PF2RCS9T
Factory ID: JVHFC1
MTM: 82JD000WRM
Bios dumps attached. Both 8MB and 16MB.
Thank you.

Thread merged. Everything you need is at post #2 .DMI is in 16MB chip, if you don`t know how to add it with a hex editor let us know and someone will help.

[Irina Kessler]

Thread merged. Everything you need is at post #2 .DMI is in 16MB chip, if you don`t know how to add it with a hex editor let us know and someone will help.

but i need the bios with my sn and mtm

[SMDFlea]

but i need the bios with my sn and mtm

The bios dumps that you posted are clean bios versions with Configured (clean) CSME firmware. If those are what you read from the bios chips it means that the laptop has not booted far enough to be able to read the bios code, because after reading it will write the non volatile ram and the CSME firmware will write to its partitions and become Initialised and married to the PCH.
If you have the original bios backups post them. If you don`t have the originals sort out the hardware problems first, when you get it to boot into the bios then you can sort out your DMI with the lenovo U1 DMI tool.

[Irina Kessler]

The bios dumps that you posted are clean bios versions with Configured (clean) CSME firmware. If those are what you read from the bios chips it means that the laptop has not booted far enough to be able to read the bios code, because after reading it will write the non volatile ram and the CSME firmware will write to its partitions and become Initialised and married to the PCH.
If you have the original bios backups post them. If you don`t have the originals sort out the hardware problems first, when you get it to boot into the bios then you can sort out your DMI with the lenovo U1 DMI tool.

Yes, i flash the bios, then i use U1 key updater, and after couple of restarts, the bios is not working again...

[battlebee]

Hello everyone, i have problem with my laptop, black screen, no keyboard lights, i try bios and change dmi, like in post #2, but it not help, maybe i make bad whatever, please help.

Legion 5 15ITH6 - 82JK type
S/N: PF3FNLVY
MTM: 82JK00B3PB

P.S. My bios dump 16 mb are not same, like from post #2, i dont know why, maybe are damaged, but it have DMI

[SMDFlea]

Hello everyone, i have problem with my laptop, black screen, no keyboard lights, i try bios and change dmi, like in post #2, but it not help, maybe i make bad whatever, please help.

Legion 5 15ITH6 - 82JK type
S/N: PF3FNLVY
MTM: 82JK00B3PB

P.S. My bios dump 16 mb are not same, like from post #2, i dont know why, maybe are damaged, but it have DMI

Here is your DMI added to the 16MB bios from post 2 .You must flash both so get the 8MB bios from post 2 .

[battlebee]

Here is your DMI added to the 16MB bios from post 2 .You must flash both so get the 8MB bios from post 2 .

Thank you very much, but not works
Maybe i will try something else?
My observation, everything worked before, but the laptop have bootloop on recovery mode, later i put laptop aside and this problem began (no screen, no keyboard lights, no fans), now nothing changes, even when i flash my old dumps

Thanks again!

[soulrayne]

Help i have a Legion 5 15ITH6H, Powering on no screen with keyboard lighting, used the bios on post #2, modified attached file using the offset D2000-D3FFF. Flash complete but now, powers on, keyboard lights just flashes a second and turns off, power button has green light.

SN: PF3KZQ4Z
MTM: 82JH000JTPH

Here the backed up bios

[tommy97]

Hi,

I'm having a problem with a Lenovo Legion 5 Pro 16ITH6H (PF2RC9BN) laptop. It powers on and the keyboard lights up, but there is no display. We had this issue before and it has happened again, but unfortunately we did not keep a copy of the working BIOS.

There is also an odd issue where the laptop does this once every three months.

[SMDFlea]

Thread merged.

[peste]

Hi,

I'm having a problem with a Lenovo Legion 5 Pro 16ITH6H (PF2RC9BN) laptop. It powers on and the keyboard lights up, but there is no display. We had this issue before and it has happened again, but unfortunately we did not keep a copy of the working BIOS.

There is also an odd issue where the laptop does this once every three months.

you have everything you need at post #2..

[fsmtech]

Hello everyone,

I’m fairly new to BIOS/firmware topics and I’m facing an issue with my Lenovo Legion 5 15ITH6H laptop.

Device details:

• Model: Legion 5 15ITH6H
• S/N: PE09EVFP

Issue:
The laptop was working normally, but after being powered off for a long period, it started showing a white screen with the message “Device Freeze”, without much additional information.

After discussing with some friends, one hypothesis is that this might be related to Absolute/Computrace (possibly triggered after long inactivity or some kind of remote lock).

Questions:

1. Is this “Device Freeze” screen typically related to Absolute/Computrace on this model?
2. Is it possible to resolve this by reflashing the BIOS and/or EC?
3. If yes, which dumps/files would be needed (BIOS dump, EC dump, serial, UUID, etc.)?
4. Is there any significant risk of bricking the motherboard during this procedure?

If anyone has experience with this model or this specific issue, I’d really appreciate guidance on the safest way to proceed.

Thank you in advance.

[fsmtech]

Update:

I was able to obtain the dumps from the laptop.

I have attached a ZIP archive containing the following files:

• full dump (24 MB)
• BIOS region (16 MB)
• MB/EC dump (8 MB)

All files were read directly from the device and packaged together for analysis.

Please let me know if any additional dumps or formats are required.

Thank you.

[m1ch43lzm]

Post moved to Legion 5-15ITH6H topic

[m1ch43lzm]

Hello everyone,

I’m fairly new to BIOS/firmware topics and I’m facing an issue with my Lenovo Legion 5 15ITH6H laptop.

Device details:

• Model: Legion 5 15ITH6H
• S/N: PE09EVFP

Issue:
The laptop was working normally, but after being powered off for a long period, it started showing a white screen with the message “Device Freeze”, without much additional information.
...

Try, BIOS extracted from Lenovo website, DMI inserted

Legion 5-15ITH6H Laptop (Lenovo) - Type 82MH
S/N PE09EVFP
MTM 82MH0000BR
BIOS ver. H1CN58WW
DMI D2000-D3FFF on 16MB chip

Flash only the 16MB chip (BIOS region), leave the 8MB (Descriptor + ME region) intact, as laptop is working
Also Format SSD and reinstall Windows

[fsmtech]

Try, BIOS extracted from Lenovo website, DMI inserted

Legion 5-15ITH6H Laptop (Lenovo) - Type 82MH
S/N PE09EVFP
MTM 82MH0000BR
BIOS ver. H1CN58WW
DMI D2000-D3FFF on 16MB chip

Flash only the 16MB chip (BIOS region), leave the 8MB (Descriptor + ME region) intact, as laptop is working
Also Format SSD and reinstall Windows

I attempted to reflash the BIOS using Intel FPT, but the write operation failed with:

Error 167: Protected Range Registers are currently set

So it appears the SPI flash is write-protected on this platform.

Read/dump operations work correctly (I was able to obtain full, BIOS and MB regions), but any write attempt is blocked.

Before proceeding with a hardware programmer (CH341A), I’d like to ask:

Is there any known method to bypass PRR/BIOS Lock on the Legion 5 15ITH6H (11th gen)?

Any EFI/GRUB setup_var or SMI unlock known for this model/series?

Or is external SPI programming the only viable option here?

[m1ch43lzm]

You may try this to write only BIOS region:

fptw64.exe -BIOS -F "H1CN58WW 16MB fsmtech.bin"

The ME region is write protected of course according to UEFITool

BIOS access table:

    Read Write
Desc No   No
BIOS Yes  Yes
ME   No   No
GbE  No   No
PDR  No   No

but if that doesn't work then you have to use the SPI programmer, it's the most reliable option