[REQUEST] Lenovo IdeaPad P400, P500, Z400, Z500 (71CNxxWW) Whitelist Removal

[gergo2007]

Hello

With usb stick it worked. Showed the same error, but then asked to press enter to flash and it worked.

Thank you!

[90paris]

Hello, today I have updated my lenovo Z500 with this mod bios "LENOVO_Z500_P500_71CN51WW_NWL_ADV", inside have a option to disable intel graphics card and I do a mistake disabling it , and active boot from PEGP. The notebook works but the screen it's black. there is someone to help me and give me the steps to enable, keep in mind I don't see nothing in the screen, something like this:

1. press recovery buton.
2. press 2 times down arrow key and enter.
3. press 4 times right arrow key.
4. press 3 times down arrow key and enter.
5. and so on.

Just imagine you do blind.
Sorry for my english.
thanks.

[90paris]

Hi again, Finally I found a youtube video and I have solved de problem



Thanks.

[BDMaster]

Please post here the link to help all users !
Many Thanks and Regards

[GordonRamsay]

Ask for Remove Whitelist . . .

I know it has been a while. I am running windows 10 now. Can you repost the file and I can try to do this?

[BDMaster]

Here You go :

http://rghost.net/7f9VnZnD5

let me know
Regards

P.S. You can use the Sleep Bug Flashing from Windows too . . .

Unpack the Bios Mod and copy the "modified" folder into C: HD root place !
Then open Command Promt with Admin Rights (CLI window C:\), put your laptop
into Sleep Mode (just close the Lid) and then Wacke-Up It (reopen the Lid),
after this execute these comands from CLI window :

cd \

cd modified

fptw -f bios.bin -bios

(or fptw64 for Windows x64)

[GordonRamsay]

I followed these steps
BDMaster Wrote:
Hi friend,
Sovem has done this one Generalized 71CN51WW(V1.21) - Bios Type (I think your 1.21 is Bios release so 71CN51WW - V1.21)
(for all laptop Z500 - Z400 -P500 - P400) :

WL removed
Menu unlocked
Bios mod: LENOVO_Z500_P500_71CN51WW_NWL_ADV

https://app.box.com/s/qyewpc8zw1j1oo7e7alu

Look README to update.
Please post results.

So It contain Prr.exe tool (Svl7 tool to bypass error 28) and have avoid your issue.
Try It and Let know
Regards

I made a bootable disk and was able to apply flash.bat it threw the ERROR 28 code and then flashed a new bios. I launched my bios and it does look different but still lists the same bios id number. I have a lot more options in the bios now but dont see anything listing the actual wifi card. Am i good to install a new card or is there something i should verify before installing the card?

after checking my bios it does look different but i do not see anywhere to edit the wireless card directly

I have an error 28 in my error file
Error 28: Protected Range Registers are currently set by BIOS, preventing flash access.
Please contact the target system BIOS vendor for an option to disable Protected Range Registers.

Any ideas?

How do I verify if I can now install the AC7260 wireless card? I ran backup tools and here is my results.rar
https://www.sendspace.com/file/giadge

I am finally getting around to this sorry!

[GordonRamsay]

I followed these steps
BDMaster Wrote:
Hi friend,
Sovem has done this one Generalized 71CN51WW(V1.21) - Bios Type (I think your 1.21 is Bios release so 71CN51WW - V1.21)
(for all laptop Z500 - Z400 -P500 - P400) :

WL removed
Menu unlocked
Bios mod: LENOVO_Z500_P500_71CN51WW_NWL_ADV

https://app.box.com/s/qyewpc8zw1j1oo7e7alu

Look README to update.
Please post results.

So It contain Prr.exe tool (Svl7 tool to bypass error 28) and have avoid your issue.
Try It and Let know
Regards

I made a bootable disk and was able to apply flash.bat it threw the ERROR 28 code and then flashed a new bios. I launched my bios and it does look different but still lists the same bios id number. I have a lot more options in the bios now but dont see anything listing the actual wifi card. Am i good to install a new card or is there something i should verify before installing the card?

after checking my bios it does look different but i do not see anywhere to edit the wireless card directly

I have an error 28 in my error file
Error 28: Protected Range Registers are currently set by BIOS, preventing flash access.
Please contact the target system BIOS vendor for an option to disable Protected Range Registers.

Any ideas?

How do I verify if I can now install the AC7260 wireless card? I ran backup tools and here is my results.rar
https://www.sendspace.com/file/giadge

I am finally getting around to this sorry!

BDMaster

thank you for helping

I have tried both ways with teh file you just sent 1 create bootable boot drive and do flash.bat
and the other is the sleeping method you labeled neither worked for me

I get

PDR region does not exist
GBE Region does not exist

Error 28: Protected Range Registers are currently set by BIOS, preventing Flash access.
Please contact the target system BIOS vendor for an option to disable Protected Range Registers.

Any ideas?

[GordonRamsay]

I have tried running prr2.exe first
then flash.bat when booting from my usb drive and that resolves the error 28 but i am still getting
PDR region does not exist
GBE Region does not exist

I have the Intel HM 76 Express Chipset

[BDMaster]

Hi mate,
These . . .

PDR region does not exist
GBE Region does not exist

are normal alert !
Lewt me see if possible the Screenshot's flashing bypassing Error 28 as
You said You flashed the Bios Mod finally !
Let m know if You get Error 1802 or 1805 about Whitelist Card !
Regards