Bios Backup Lenovo Ideapad Gaming 3 15IMH05(81Y4) Core i5-10300H + GeForce GTX 1650 GY530/GY531/GY532 NM-C871 Rev 2.0 Main + EC ver. EGCN29WW

#1
Laptop Model
Lenovo Ideapad Gaming 3 15IMH05(81Y4) Core i5-10300H + GeForce GTX 1650 GY530/GY531/GY532 NM-C871 Rev 2.0 Main + EC ver. EGCN29WW
Bios Size in MB
16
Bios Type
Main
Lenovo Ideapad Gaming 3 15IMH05(81Y4)
Core i5-10300H + GeForce GTX 1650
GY530/GY531/GY532 NM-C871 Rev 2.0
Main + EC ver. EGCN29WW
 

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#2
Hi,
Can someone please help me to find out what tool is needed to flash the EGCN29WW to reset/delete the forgotten BIOS password?
Thanks,
Faruk
 
#4
Thanks for your feedback. Do you know which tool to use to flash an old version of Bios? Current version is EGCN34WW and official Lenovo tool does not allow any Bios downgrade.
 
#6
Thank you very much for your replies. Hopefully, I'll write for the last time on this issue, hoping to fix it with your guidance.
- I've extracted the content of EGCN33WW and modified a few settings in the configuration file named platform
- With H2OFFT-W app also available in the extracted content, I successfully downgraded the BIOS to a previous version but the BIOS password is still there and I cannot get into Bios to modify any settings.
Which settings I should change in the configuration file (attached to this post as platform.rar) so that it would reset/delete the Bios system password, which I set myself but forgot?
Kind Regards,
 

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