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Lenovo G500 and G400 unlocked BIOS menu / wlan whitelist mod

Klem

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Klem
Klem

In this thread you can post your requests for Lenovo G500 and G400 bios unlock. If someone wants upgrade Wi-Fi card and remove whitelist, or unlock hidden additional menus and settings in bios se

Klem
Klem

Hi! Ok. Check PM.

Klem
Klem

Hi! You can post here or send me via PM your file bios backup. For creating backup of bios use attached program. Extract attached archive directly on the Desktop and run the program as admin

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  • Bios Modder
Klem T|I Addict

Klem

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Just now, anders2014 said:

Hi! 

Can you remove White list from BIOS?

Model: G500

BIOS Version: 78CN25WW(V2.03)

 

results.rar with backup www.sendspace.com/file/k8g82s

Hi!

Ok. Check PM.

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  • 4 weeks later...
  • Bios Modder
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Klem

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18 minutes ago, 100parik said:

Hello, need help!!
I get an error message " unsupported cpu for pch" when upgrade CPU to i5-2350m
my BIOS backup
https://drive.google.com/file/d/1mrTo3iDUlJF3mZqNFWD2cc6WlaI2pZh4/view?usp=drive_link
thanks

Hi!

Ok. Check PM.

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Klem

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24 minutes ago, misteryudo said:

Hi, can you help me, , I'm using Lenovo G400, the bios is from here:

https://download.lenovo.com/consumer/mobiles/78cn25ww.exe

 

BIOS Version: 78CN25WW(V2.03)

Hi! 

You can upload your file bios backup into any fileserver and post the download link. Or you can send me your file backup of bios via PM.  To create backup of bios use attached utility. Extract attached archive directly on the Desktop and run Backup Utility as Administrator (right click mouse, choice "Run as Administrator"). Utility will create archive "results" directly on the Desktop. Send me this archive "results" via PM or upload your file bios backup into any fileserver and send me the link.

https://www.sendspace.com/file/mxoavw

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misteryudo Curious Beginner

misteryudo

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48 minutes ago, Klem said:

Hi! 

You can upload your file bios backup into any fileserver and post the download link. Or you can send me your file backup of bios via PM.  To create backup of bios use attached utility. Extract attached archive directly on the Desktop and run Backup Utility as Administrator (right click mouse, choice "Run as Administrator"). Utility will create archive "results" directly on the Desktop. Send me this archive "results" via PM or upload your file bios backup into any fileserver and send me the link.

https://www.sendspace.com/file/mxoavw

Hi, thank you for the quick response, Here is the result:
https://www.sendspace.com/file/jnyhjl

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  • Bios Modder
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Klem

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26 minutes ago, AdditionalSteps said:

just want to clear the wlan whitelist stuff to install a new wifi card

 

Lenovo G500

Bios Ver 78CN25WW(V2.03)

results.rar https://www.sendspace.com/file/lp4bmj

(BACKUP_Tools12_2, seems like it produced a lot of errors. secure boot disabled, ran as administrator. Windows 10 Pro 22H2 19045.3516)

 

Hi!

Ok. Check PM.

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Klem

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42 minutes ago, DeSanta1412 said:

Hello!
I have a G500 and i need to replace my wifi card.
Can anyone help delete my whitelist and also gain access to advanced settings?
my dump Result

Hi!

Ok. Check PM.

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  • 3 weeks later...
JPanag1982 Curious Beginner

JPanag1982

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Posted (edited)

Dear Klem.

I am writing to you, in order to please you to unlock my BIOS. I own a Lenovo G400 20235 (Intel HD / AMD 8570M). I installed Windows 11 23H2. The problems I have faced are:

1. In UEFI Boot Mode the driver of the 8570M crushes. In Legacy Boot Mode, even if I boot from my UEFI Win11, The driver seems to be correct
2. In Dx Diagnstic the VRAM of the Intel Video is 0 MB and I have no option to select the amount VRAM from BIOS. When I tried to play Pro Evolution Soccer 2013, In Settings I had 32Mb VRAM although my system RAM is 16GB

So I would be thankful, if you could unlock my BIOS.
1. I would like to have the advanced Menus
2. I would like to select the amount of VRAM
3. If it is possible I would like to select as primary card the AMD
4. If it is possible, I would like you to make the AMD compatible to UEFI Mode..

Thank you very much


This is the backup of my current BIOS
https://mega.nz/file/zNEExKyZ#WSUWf9k01TDqwfymlNGcvMWEC6FYkUXjZzrE_SeiH4w

Edited by JPanag1982
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Klem

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59 minutes ago, JPanag1982 said:

1. I would like to have the advanced Menus
2. I would like to select the amount of VRAM
3. If it is possible I would like to select as primary card the AMD
4. If it is possible, I would like you to make the AMD compatible to UEFI Mode..

 

Hi!

1. Yes, it is possible.

2. Yes, it is possible, but don't try set amount of VRAM (DVMT-prealloc more than 96MB or 128MB)!

If you set amount of VRAM more than 96MB or 128MB, then laptop break and can't start! In this case you will need to recover your bios with hardware SPI programmer device.

3. No, it is impossible. If you select the AMD graphic card as primary card, then laptop break and can't start! In this case you will need to recover your bios with hardware SPI programmer device.

4. No, it is impossible.

 

Please read the first post of this thread, I can unlock WLAN and WWAN whitelist for upgrade Wi-Fi card, and unlock hidden advanced settings in bios setup menu. 

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Klem

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44 minutes ago, DimanTLT63 said:

Hello, I'm asking for help, I don't have the strength to fight the bios anymore, can you remove the whitelist from the dump? thank you very much! 

Lenovo G530 3000

https://drive.google.com/file/d/1BWKVqyBupsUi0QRU4j-EHwkqFlMaB9wa/view?usp=sharing

Hi!

Ok. Check PM.

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templier Curious Beginner

templier

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Hi, I change my battery and now its not charging because its said that its not authorized, can you please help me about this. And also can you please remove the whitelist for wlan. Thanks in advance.

Lenovo G500: https://dox.abv.bg/download?id=9317e6982f# - Линк за сваляне

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Klem

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1 minute ago, templier said:

Hi, I change my battery and now its not charging because its said that its not authorized, can you please help me about this. And also can you please remove the whitelist for wlan. Thanks in advance.

Lenovo G500: https://dox.abv.bg/download?id=9317e6982f# - Линк за сваляне

Hi!

The restriction on the use of non-original batteries is in the EC firmware (not in the BIOS), but I don't work with EC firmware.

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Alantor Curious Beginner

Alantor

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On 11/7/2023 at 10:57 AM, Klem said:

Hi!

The restriction on the use of non-original batteries is in the EC firmware (not in the BIOS), but I don't work with EC firmware.

Hello!
 
Pleese, help to remove whitelist.
Lenovo G500 20236
BIOS - LENOVO-78CN22WW(V2.00)
I bought a new Wi-Fi card, but the system does not want to accept it.
 
My BIOS dump (I used Universal BIOS backup toolkit 2.0)
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Klem

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3 minutes ago, Alantor said:
Hello!
 
Pleese, help to remove whitelist.
Lenovo G500 20236
BIOS - LENOVO-78CN22WW(V2.00)
I bought a new Wi-Fi card, but the system does not want to accept it.
 
My BIOS dump (I used Universal BIOS backup toolkit 2.0)

Hi!

Ok. Check PM.

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