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[REQUEST] Acer Aspire VN7-592G BIOS Unlock
Hi,

I would also like to unlock my bios for those reasons:
* Advanced Tab to play with Virtualization Options
* NVME SSD Support (dual boot currently not possible in combination with secure boot, needed by windows 11 Sad )

I'm on Acer VN7 592G with BIOS version v1.12.

I already tried to dump the BIOS according to the VN7 592G Guide but failed to find the relevant section in the IFR export.

Any help appreciated Smile

Thanks!
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(07-05-2021, 04:50 AM)friesoft Wrote: Hi,

I would also like to unlock my bios for those reasons:
* Advanced Tab to play with Virtualization Options
* NVME SSD Support (dual boot currently not possible in combination with secure boot, needed by windows 11 Sad )

I'm on Acer VN7 592G with BIOS version v1.12.

I already tried to dump the BIOS according to the VN7 592G Guide but failed to find the relevant section in the IFR export.

Any help appreciated Smile

Thanks!
Hi
 Need your bios dump
Check your PM
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Thanks for your great and fast support! Advanced menu shows up Smile
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Hi, I'm also looking to have my BIOS unlocked. not having much luck finding how to bios dump. any help is much appreciated

I'm also on VN7 592G with bios version 1.12
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(07-30-2021, 10:46 PM)Pratt Wrote: Hi, I'm also looking to have my BIOS unlocked. not having much luck finding how to bios dump. any help is much appreciated

I'm also on VN7 592G with bios version 1.12
Hi
Your mod completed. Check your messages

This mod for this notebook ONLY !!!
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To unlock this Bios it needs to use H2OUVE Tool , then edit the vars.txt and rewrite the NVRAM variables to unlock the i-page 0x258 set 0x01 ...
Then into the Advanced Bios Menu Tab , we can unlock all the variables to reflash the Bios to adding it the NVME Module :

5BE3BDF4-53CF-46A3-A6A9-73C34A6E5EE3 NvmExpressDxe

0xB443B Suppress If {0A 82}
0xB443D True {46 02}
0xB443F One Of: i-Page:, VarStoreInfo (VarOffset/VarName): 0x258, VarStore: 0x1234, QuestionId: 0xB, Size: 1, Min: 0x0, Max 0x1, Step: 0x0 {05 91 41 14 42 14 0B 00 34 12 58 02 00 10 00 01 00}
0xB4450 One Of Option: Disabled, Value (8 bit): 0x0 (default) {09 07 B0 12 10 00 00}
0xB4457 One Of Option: Enabled, Value (8 bit): 0x1 {09 07 B1 12 00 00 01}
0xB445E End One Of {29 02}
0xB4460 End If {29 02}

0xB4462 Suppress If {0A 82}
0xB4464 True {46 02}
0xB4466 One Of: BIOS SPI Lock:, VarStoreInfo (VarOffset/VarName): 0x259, VarStore: 0x1234, QuestionId: 0xC, Size: 1, Min: 0x0, Max 0x1, Step: 0x0 {05 91 3F 14 40 14 0C 00 34 12 59 02 00 10 00 01 00}
0xB4477 One Of Option: Enabled, Value (8 bit): 0x1 (default) {09 07 B1 12 10 00 01}
0xB447E One Of Option: Disabled, Value (8 bit): 0x0 {09 07 B0 12 00 00 00}
0xB4485 End One Of {29 02}
0xB4487 End If {29 02}

0xC8089 One Of: RTC Lock, VarStoreInfo (VarOffset/VarName): 0x339, VarStore: 0x1234, QuestionId: 0x542, Size: 1, Min: 0x0, Max 0x1, Step: 0x0 {05 91 83 02 84 02 42 05 34 12 39 03 10 10 00 01 00}
0xC809A Default: DefaultId: 0x0, Value (8 bit): 0x0 {5B 06 00 00 00 00}
0xC80A0 One Of Option: Disabled, Value (8 bit): 0x0 {09 07 04 00 00 00 00}
0xC80A7 One Of Option: Enabled, Value (8 bit): 0x1 {09 07 03 00 00 00 01}
0xC80AE End One Of {29 02}

0xC80B0 One Of: BIOS Lock, VarStoreInfo (VarOffset/VarName): 0x4B3, VarStore: 0x1234, QuestionId: 0x543, Size: 1, Min: 0x0, Max 0x1, Step: 0x0 {05 91 85 02 86 02 43 05 34 12 B3 04 10 10 00 01 00}
0xC80C1 Default: DefaultId: 0x0, Value (8 bit): 0x0 {5B 06 00 00 00 00}
0xC80C7 One Of Option: Disabled, Value (8 bit): 0x0 {09 07 04 00 00 00 00}
0xC80CE One Of Option: Enabled, Value (8 bit): 0x1 {09 07 03 00 00 00 01}
0xC80D5 End One Of {29 02}


GUID: A04A27F4-DF00-4D42-B552-39511302113D

i-Page : 0x258

BIOS SPI Lock : 0x259

RTC Lock : 0x339

BIOS Lock : 0x4B3

It can be unlocked by H2OUVE modifying the variables all or only i-Page , after shown Advanced is possible to unlock the others within Bios.

Editing vars.txt is easy look here what to change and how to :

Unpack the H2OUVE Tool and run the Dump.bat into the folder to get the vars.txt file, then edit it

[03E] Custom
GUID: A04A27F4-DF00-4D42-B552-39511302113D
Attributes: 0x7
DataSize: 0xFA0
Data:
-------------00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00000250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 01 << 0x0258 00 to 01

Chnage to

-------------00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00000250: 00 00 00 00 00 00 00 00 01 00 00 00 00 00 01 01 << 0x0258 00 to 01

Make the same on this section :

[04B] Setup
GUID: A04A27F4-DF00-4D42-B552-39511302113D
Attributes: 0x7
DataSize: 0xFA0
Data:
-------------00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00000250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 01 << 0x0258 00 to 01

Chnage to

-------------00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
00000250: 00 00 00 00 00 00 00 00 01 00 00 00 00 00 01 01 << 0x0258 00 to 01

After edit then save as varsmod.txt and write back the variables using the Write.bat command into H2OUVE Tool folder, reboot the laptop and go into bios to check Advanced Tab.
Then it's possible to unlock all rest.

Attached the H2OUVE Tool here ...

https://www.mediafire.com/file/s61gpu89g...8.rar/file

Regards

P.S. for any information ask to Sml6397

[size=undefined]Your Brain [/size]. . . . It's the best tool U can use ! Wink
[size=undefined]Don't FLASH the Bios Mod if You get a Size Alert, You risk a Brick !!! [/size]
Donate to me for my work, click here BDM
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