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[REQUEST] Lenovo Z40-75 & Z50-75 (A4CNxxWW) Whitelist Removal
#61
Lenovo z50-75 (80ec)


motherboard: aclu7/ aclu8


Download Here

Please help me to remove the whitelist.. really need for changing my wlan card.. Tq so much.
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quote
#62
hello, i just make an account just to thank you for your work on the bios, i have a lenovo Z40-75 wich i want to put a intel wi fi card from a gamer pc, so programming the spi eeprom with a ch341 programmer and a clip direct into the motherboard, and it works perfect at the first atempt.
thank you very much!!
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#63
Question 
Please, help.The Intel BE200 is compatible?, all the connectors pins fits in my laptop Lenovo Z50-75 purchased in 2017?Now, I have the card from the factory, Realtek RTL8723AE Wireless LAN 802.11n PCI-E NIC:
[Image: thisssimg20230702052034.jpg]

Fits and work correctly BE200 like other cards, AX210, etc? I need flash and modify BIOS UEFI?
My CPU is AMD, APU AMD.
Nothing of all the programs works for BIOS UEFI backup? (Universal BIOS Backup Toolkit 2.0, FPT, BACKUP_Tools19)
Only works for BIOS UEFI backup a SPI-programmer like CH341A and SOIC8 clip like this?:
https://www.ebay.es/itm/184347633872?mkcid=16&mkevt=1&mkrid=1185-127638-7840-0&ssspo=_BfywXMpQLG&sssrc=4429486&ssuid=h2zkWBnETmy&var=&widget_ver=artemis&media=COPY

What exact chip of the board I need to read whit the clip tweezers?
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quote
#64
(11-22-2023, 01:53 PM)dataDyne Wrote: Please, help.The Intel BE200 is compatible?, all the connectors pins fits in my laptop Lenovo Z50-75 purchased in 2017?Now, I have the card from the factory, Realtek RTL8723AE Wireless LAN 802.11n PCI-E NIC:
[Image: thisssimg20230702052034.jpg]

Fits and work correctly BE200 like other cards, AX210, etc? I need flash and modify BIOS UEFI?
My CPU is AMD, APU AMD.
Nothing of all the programs works for BIOS UEFI backup? (Universal BIOS Backup Toolkit 2.0, FPT, BACKUP_Tools19)
Only works for BIOS UEFI backup a SPI-programmer like CH341A and SOIC8 clip like this?:
https://www.ebay.es/itm/184347633872?mkcid=16&mkevt=1&mkrid=1185-127638-7840-0&ssspo=_BfywXMpQLG&sssrc=4429486&ssuid=h2zkWBnETmy&var=&widget_ver=artemis&media=COPY

What exact chip of the board I need to read whit the clip tweezers?
Hi
Yes, a SPI-programmer - converter 1.8v - SOIC8 clip is needed
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quote
#65
Hi, please, the Intel BE200 fits in my laptop and work? Only is necessary the modding of BIOS UEFI?
In the 5/8 photo you can see the compatible connectors of motherboard for BE200 001 version.(Key E: Yes),(Key A, Key M, and Mini PCIe, No)":
https://es.aliexpress.com/item/1005006168153185.html
This is for AX210 006 version, in the photo 6/8 you can see the compatible connectors."(Key A, Key E, Yes) and (Key M, Mini PCIe, No)":
https://de.aliexpress.com/item/1005002362791172.html
Fits and work, the two cards in my laptop Lenovo Z50-75 purchased in 2017? Is W10 and perhaps W11, not tested yet.I interested only in BE200.

This is a SPI-programmer - converter 1.8v and SOIC8 clip, sure?, I write this page of eBay in my last post before, If not is that, put a url for buy:
https://www.ebay.es/itm/184347633872
All the steps are here:
https://www.bios-mods.com/forum/showthre...1#pid74571

And repeat that I said before:
What exact chip of the board I need to read with the clip tweezers?
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quote
#66
hello, Could you please help me remove whitelist bios of Z50-75 Laptop (AMD) - Type 80EC.
my bios dump form Universal BIOS Backup ToolKit 2.0;
https://drive.google.com/file/d/18XwtGw3...sp=sharing

thanks you in advance..
Nopparat m.
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quote
#67
(12-04-2023, 12:19 AM)nopparatm Wrote: hello, Could you please help me remove whitelist bios of Z50-75 Laptop (AMD) - Type 80EC.
my bios dump form Universal BIOS Backup ToolKit 2.0;
https://drive.google.com/file/d/18XwtGw3...sp=sharing

thanks you in advance..
Nopparat m.
Hi
Incorrect dump
AMD cpu, your bios is rewrite protected
You need ch341A - converter 1.8v - SOIC8 clip
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quote
#68
(12-05-2023, 04:23 AM)Dudu2002 Wrote:
(12-04-2023, 12:19 AM)nopparatm Wrote: hello,  Could you please help me remove whitelist bios of Z50-75 Laptop (AMD) - Type 80EC.
my bios dump form Universal BIOS Backup ToolKit 2.0;
https://drive.google.com/file/d/18XwtGw3...sp=sharing

thanks you in advance..
Nopparat m.
Hi
Incorrect dump
AMD cpu, your bios is rewrite protected
You need  ch341A - converter 1.8v - SOIC8 clip

THANKS YOU FOR YOUR ADVICE.. I WILL TRY.
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quote
#69
Laptop Model: Lenovo Z50-75 (80EC)
Bios Revision: A4CN43WW (v.2.12)
Using UEFITool 0.21.5/0.28.0 (the same result) HookBeforeBoot and UsbLockDxe modules have been removed from extracted image. Nothing else has changed.
Edited image have flashed back.

I'm using AX210 and no issue is found.
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#70
(09-03-2017, 04:04 AM)adde88 Wrote: The BIOS file can now be found on my github repo:

https://github.com/adde88/lenovo-z50-75

Hello.
This helped me a lot, thank you!
Bought a clip, wired it to a RaspberryPi, used flashrom and it worked out nicely.
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quote


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