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[REQUEST] Acer Aspire 4750(G,Z) & 4752(G,Z) BIOS Unlock
Hello themacmeister,

This is an Insyde BIOS image. I have seen this particular BIOS image before, but I am not sure where...

I am going to move this thread to the Insyde BIOS Unlocking Requests forum for now.

Smile Hi there! Please consider making a donation if my BIOS mod has helped you. This allows me to purchase new BIOS mod testing hardware so that I can offer new types of mods. Thank you! ->Donate via PayPal here<- Smile

Also, please feel free to PM me if I have not replied again about your BIOS mod request after 5 days.
www find
Sorry about that, I only saw the Phoenix logo on boot, so just assumed...

I installed 2.14 and 2.15 and they are identical to 1.24 in functionality :-(

Luckily the .WPH and .ROM files are readily accessible, unlike the HP BIOS'es
I am running a HackBook pro on this laptop, and needed to use MBR partitions (or it wouldn't boot).

I have the tools to convert it to GPT (non-destructively) now, so I will fully back up, and give it a shot... see if UEFI can figure out what is going on. Might need a 200MB FAT32 partition at the start... but will install that after the conversion (should be able to resize the partitions easily with GPT).
bump. Just in case someone has an unlocked BIOS for this model, or can extract one for me?

I think I can fool the computer into booting with a hybrid GPT (by adding a 100MB Fat32 partition at the end of the hard drive).

I don't quite understand the need for the WPH AND ROM files? I assume it is signed to particular hardware/manufacturer?
I am having serious issues with this hybrid legacy/uefi BIOS. I installed SteamOS, and even after a full reformat of the (only) HDD, there is still a steamos option in F12 boot menu :-|

With access to UEFI, this would be an easy fix, I'm sure.
Goshdarnit, I am having severe issues with this hybrid boot rubbish. I cannot seem to boot into EFI (Linux) to use efibootmgr to remove steamos entry.

An unlocked BIOS would sure come in handy about now :-)

PS. efibootmgr shows all the locked areas of BIOS too... might come in handy for unlocking?
This is a Phoenix SecureCore Tiano BIOS, if that makes any sense to anyone.
(08-29-2014, 07:48 PM)themacmeister Wrote: This is a Phoenix SecureCore Tiano BIOS, if that makes any sense to anyone.

My Hackintosh seems to be running/restarting/shutting down quite well now.

This isn't urgent, but it would be nice to know that it is "possible".
Thank you in advance to any and all who help.

Hi, I have a Acer Aspire 4750 with version bios is 2.15.
Link download : Here

I want to install Mac OS on my Laptop( hackintosh) with clover and it need uefi main support. But The options for UEFI or GPT partitioning are not available in my current bios config, but from what I understand my computer is perfectly capable of these functions.

I searched the forums and found the same request from like three years ago, but at that point no one had been able to unlock it. I'm hoping that has changed.

I really hope someone can help me out by unlocking this bios so that I can access the UEFI/GPT partitioning functions, or at least point me in a direction that might allow me to do it for myself.

Once again, thank you everyone in advance for your help.
I have Mavericks 10.9.5 running on my Acer Aspire 4752.

You need to use MyHack to make installer USB, and patch for MBR. Install onto MBR formatted partition, and it will work GREAT.



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