Unlock BIOS HP 250 G8 (27J99EA)

[GreeceDrummer]

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excuse my english

Bought this laptop to install macOS Monterey with OpenCore which works. But the BIOS is catastrophically minimized
I need access for:
CFG Lock
DVMT
RAID
UART

can someone unlock the bios completely?

[emimor123]

Hi, other one with this problem. Bios in this laptop is ridiculous, please, anybody who could help us?
F.54 insyde

[ivanmazepa]

UP

250 G8 , i5 tigerlake, possible mod BIOS for installation 1.35v mem?

[vloff]

try this guide to do everything yourself. video with undervolting shows in more detail how and what to do. I managed to modify my bios with the help of guides
1. https://youtu.be/f8xf7hf_XS0
2. https://youtu.be/nfiMx9EjZVk

[ivanmazepa]

try this guide to do everything yourself. video with undervolting shows in more detail how and what to do. I managed to modify my bios with the help of guides
1. https://youtu.be/f8xf7hf_XS0
2. https://youtu.be/nfiMx9EjZVk

This is for existing but hidden options, there is no hint of changing the speed / voltage in the BIOS. But the hub / processor itself must be able to do this.

[emimor123]

Hi, I need to activate "state after G3" in advanced bios menu, but cant find the way to show advanced menu.

anybody knows how to enter to advanced bios menu or put ON "state after G3" in this laptop? (hp 250 g8)

Answer will be appreciated.