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[Request] Acer Aspire V3-771(G) BIOS unlock
Hello, I have an Acer Aspire V3-731, which I see uses same bios type as V3-771.

I mistakenly updated fw from 1.xx to 2.28, which changed bios setting from legacy to uefi, and locked the bios with a password that I was never given.

I need to get into the bios to make changes, like switching back to legacy instead of uefi, etc.

I first tried modifying the platform.ini and platforms.ini, before starting the fw update in windows. I changed "password=0" to "password=1" so it would overwrite during the update, but after the update hitting F2 still requires a password. Others report a hash that is displayed when entering wrong password three times, but mine says "system will halt."

Another method to reset/change password is installing Acer Empowering Technology & eSettings, but this requires Vista, which will not install. Win 7 almost installs but freezes. The laptop will only boot to uefi disks & flash drives, which these OS's are neither.

I tried downgrading to 1.15 to get back to legacy so I can install Vista. This didnt work, but I read that I needed to downgrade from 2.28 to 2.01 first, which I could probably do but cannot find 2.01. I read this is the only version that a downgrade to 1.XX is possible.

I am able to successfully downgrade 2.28 to 2.23 using the usb flash method using VAG70X64.fd
It is currently using 2.28 with Win 8.1 x64 installed temporarily.

Are you able to provide 2.28 (latest) with all features unlocked, including the bios password requirement removed?

If that is not possible, do you have 2.01 that I could try? Then I could try 1.15.

Any ideas and help are greatly appreciated!

Model: Acer Aspire V3-731
Bios Revision: v2.28
Bios Type : Insyde
Bios Link v1.15 : link [if needed]
Bios Link v2.28 : link
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Good time of day. Please help me unlock the bios so that the extended menu appears! On Acer Aspire V3-771G and Nvidia 740. The Bios version is 2.28, the dump also has a photo of the bios system serial number and everything else, up to the updated bios. Everything is in the archive by the link in this message. Thank you in advance!
https://drive.google.com/file/d/1LbnANil...sp=sharing

Acer Aspire v3-771G 33126G1TMaii
InsydeH20 3.7
current Bios version 1.15
requires Bios version 2.28 "BIOS_Acer_2.28_A_A"
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(06-13-2023, 12:36 PM)AndreySet Wrote: Good time of day. Please help me unlock the bios so that the extended menu appears! On Acer Aspire V3-771G and Nvidia 740. The Bios version is 2.28, the dump also has a photo of the bios system serial number and everything else, up to the updated bios. Everything is in the archive by the link in this message. Thank you in advance!
https://drive.google.com/file/d/1LbnANil...sp=sharing

Acer Aspire v3-771G
InsydeH20 3.7
current Bios version 1.15
requires Bios version 2.28 "BIOS_Acer_2.28_A_A"
Hi
Using the Universal BIOS Backup ToolKit 2.0 for your laptop model is not desirable...use BACKUP_Tools19 or fpt only
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(06-13-2023, 02:00 PM)Dudu2002 Wrote: Hi
Using the Universal BIOS Backup ToolKit 2.0 for your laptop model is not desirable...use BACKUP_Tools19 or fpt only
The bios suits me from page 6 of this forum V2.28, but the frequencies of the video core and the memory of the video card are overestimated there.
If this bios would be at standard frequencies as written nvidia gt740 810 operating frequency, and boost 895, and memory 901, it would be great.
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(02-09-2023, 03:39 AM)Toulouse Wrote: Hi guys,

Hope some one can help me.
i got a old acer aspire 3v-771G (original win7) an bios update to V1.15 but i want to instal win 8 but problem is i need v2.xx uefi.
the original acer update flash dont work. he dont wat to flash from v1.xx to v2.xx can some help me?
thanks

Have you been able to fix this? I'm having the exact same problem plus my brother put a password to the BIOS and forgot it. I feel like I'm hitting a wall, any help or resources would be appreciated
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(07-04-2023, 06:44 PM)sora4popla Wrote: Have you been able to fix this? I'm having the exact same problem plus my brother put a password to the BIOS and forgot it. I feel like I'm hitting a wall, any help or resources would be appreciated
Hi
In any case, need your bios dump
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Hello. help me modify bios.
V3-771
bios 2.08
InsydeH20 Setup Utility Rev 3.7

https://drive.google.com/file/d/18lTUW2Y...drive_link
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Guys! Please tell me: is there something about using M2 mSATA in the unlocked BIOS?
I am interested in the initialization sections and the choice of the M2 disk to boot.
Background: I put a 1TB SATA SSD in M2. Installed Win 11 on it. But the OS does not write the bootloader to M2. I assume because of the invisibility of M2 in the BIOS. Win stubbornly writes its bootloader to other (BIOS-initiated disks). Tried 2 times - constantly bootloader on another disk (not M2).
Acer Aspire V3-771(G) - 736b161.12TBDWaii
The BIOS was updated the other day to 2.28 from the official Acer website - there is no sense.
If anyone has encountered a problem - specify the plz where to dig.
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Привет! Жаль что нет ответа. В итоге решил свою проблему переносом загрузчика Win11 на нужный диск М2 SSD в среде Windows. Но опыт по BIOS я все же получил - убрал для страховки "boot secure"  Big Grin Спасибо всем за предыдущие сообщения в этой теме.

Аcer Aspire V3-771G  - 736b161.12TBDWaii
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