Forum RSS Feed Follow @ Twitter Follow On Facebook

Thread Rating:
  • 1 Vote(s) - 3 Average
  • 1
  • 2
  • 3
  • 4
  • 5
[-]
Welcome
You have to register before you can post on our site.

Username:


Password:





[-]
Latest Threads
[REQUEST] Lenovo Z410 & Z510 (8DCNxxWW) ...
Last Post: Grishman
Today 05:21 PM
» Replies: 505
» Views: 312861
[REQUEST] Lenovo X270 (R0IETxxW) Whiteli...
Last Post: interfare
Today 05:46 AM
» Replies: 27
» Views: 20267
[REQUEST] Lenovo Thinkpad E130 (H4ETxxWW...
Last Post: ch1980
Today 02:16 AM
» Replies: 498
» Views: 294630
[REQUEST] Dell Inspiron 15R SE 7520 BIOS...
Last Post: pcnerdwantobe
Today 01:32 AM
» Replies: 102
» Views: 91632
[REQUEST] Acer Nitro 5 AN515-54 BIOS Unl...
Last Post: samcer5
Yesterday 07:54 PM
» Replies: 148
» Views: 136683
[REQUEST] Lenovo V580(c) (H1ETxxWW) Whit...
Last Post: mutagenchik
Yesterday 12:49 PM
» Replies: 594
» Views: 358352
[REQUEST] Lenovo B590 (H1ETxxWW) Whiteli...
Last Post: majinvegeta1985
Yesterday 10:33 AM
» Replies: 804
» Views: 610098
Fujitsulifebook u758
Last Post: DeviniusMaximus
10-20-2026 12:47 PM
» Replies: 0
» Views: 87
[REQUEST] Lenovo Y50-70 (9ECNxxWW) White...
Last Post: ivorocio
10-17-2026 06:52 AM
» Replies: 1780
» Views: 1068859
[REQUEST] Lenovo Z61t (7FETxxWW) Whiteli...
Last Post: Rick3657
10-16-2026 09:21 AM
» Replies: 33
» Views: 15472
HP PRO 3500 G2 with i5-2500K or i5-3570K
Last Post: Davidaa
10-16-2026 04:48 AM
» Replies: 23
» Views: 12096
BIOS for HP 250 G1 F45 Unlocked working ...
Last Post: Andreasbest
10-16-2026 12:59 AM
» Replies: 1
» Views: 1557
[REQUEST] Lenovo C560 AIO Desktop Advanc...
Last Post: CJjacobson
10-15-2026 06:48 AM
» Replies: 42
» Views: 30953
[REQUEST] Lenovo IdeaPad Y580 (5DCNxxWW)...
Last Post: BuckyI
10-15-2026 02:16 AM
» Replies: 146
» Views: 114808
[REQUEST] Lenovo G510 (79CNxxWW) Whiteli...
Last Post: wasabijc
10-14-2026 05:31 PM
» Replies: 605
» Views: 441779
Unlock BIOS Password Request - HP ProBoo...
Last Post: NECIB
10-13-2026 05:03 AM
» Replies: 0
» Views: 299
[REQUEST] Lenovo G460, G560, Z460 & Z560...
Last Post: imctkh
10-12-2026 11:50 AM
» Replies: 35
» Views: 32880
Add CPU support for Coffee Lake Touch Dy...
Last Post: DeathBringer
10-11-2026 02:17 AM
» Replies: 1
» Views: 993
[REQUEST] Acer Aspire 5742(G,Z) BIOS Unl...
Last Post: Ghost-White-Guy
10-10-2026 10:26 AM
» Replies: 170
» Views: 109281
[REQUEST] Laptop doesn't see EGPU becaus...
Last Post: Артур
10-10-2026 07:00 AM
» Replies: 0
» Views: 1484

[REQUEST] Lenovo Legion Y540 (BHCNxxWW) BIOS Unlock
#11
is this one ok, or do I need something spetial?
https://de.aliexpress.com/item/327162021...web201603_
find
quote
#12
-Производитель и модель материнской
платы : Lenovo Legion Y540-17IRH -81Q4004KRK -Bios Версия: BHCN41WW
-Тип BIOS: InsydeH20


-Bios Ссылка:https://drive.google.com/file/d/15YC3A3q...sp=sharing
find
quote
#13
Star 
Hello I have a Lenovo Y540-17IRH and I would like to get access to the advanced section of the BIOS. Could you help me unlock it?

Link to BIOS installer: https://download.lenovo.com/consumer/mob...cn42ww.exe
Link to BIOS file: https://ufile.io/jrmberts
Link to extracted BIOS file (using InsydeImageExtractor): https://ufile.io/ng66o4ut

In order to flash the modded BIOS file (that you'll give me), I'll need a SPI-programmer+SOIC8 clip. Do you have a tutorial on how to use one and what to do?

Thank you
find
quote
#14
Hi, I have a Legion Y540 i5-9300H + GTX 1650 Model Laptop.

I was able to unlock the Advanced Menu in my BIOS but there is a special OverClocking Menu that looks like this (see image below). It is greyed out on mine. I cannot unlock it.

Here is the Dump File : https://drive.google.com/file/d/1Bcamha9...share_link

Please Unlock the OverClocking Feature


Thanks


Attached Files Thumbnail(s)
   
find
quote
#15
(11-10-2022, 12:10 PM)asparkoffire Wrote: Hi, I have a Legion Y540 i5-9300H + GTX 1650 Model Laptop.

I was able to unlock the Advanced Menu in my BIOS but there is a special OverClocking Menu that looks like this (see image below). It is greyed out on mine. I cannot unlock it.

Here is the Dump File : https://drive.google.com/file/d/1Bcamha9...share_link

Please Unlock the OverClocking Feature


Thanks

Hello, can you share your unlock bios?
Thanks
find
quote
#16
(05-10-2025, 01:03 PM)Spartacuss Wrote: Hello, can you share your unlock bios?
Thanks
Hi
All mods are personal, need your bios dump
find
quote
#17
Hi, please help me to unlock bios for advanced menu. I need to change PL settings and some undervolting.

Model: Legion Legion Y540-15IRH
Specs: i5-9300h/32gb/1660ti
BIOS version: BHCN45WW

Link to original bios update:

https://download.lenovo.com/consumer/mob...cn45ww.exe

Dump, using H2OUVE:

https://drive.google.com/file/d/10f-Kn8R...drive_link

Thank you in advance!
find
quote
#18
(06-08-2025, 11:36 AM)vancouverrise1 Wrote: Hi, please help me to unlock bios for advanced menu. I need to change PL settings and some undervolting.

Model: Legion Legion Y540-15IRH
Specs: i5-9300h/32gb/1660ti
BIOS version: BHCN45WW

Link to original bios update:

https://download.lenovo.com/consumer/mob...cn45ww.exe

Dump, using H2OUVE:

Thank you in advance!
Hi
Your mod completed. Check your messages

This mod for this notebook ONLY !!!
find
quote
#19
Hi,

I'm the user of a Legion Y540-15IRH with BIOS version BHCN42WW. I already used an CH341A programmer to dump the BIOS that is attached to this post.

Currently I'm at the same situation as $asparkoffire$ was. I already unlocked the advanced settings menu, but I would be really grateful if someone can help me to enable the "Overclocking Feature" at "Overclocking Performance Menu".

Thanks for your Help.

BIOS dump: https://drive.google.com/file/d/1TqL06vn...sp=sharing
find
quote


Forum Jump:


Users browsing this thread: 2 Guest(s)