Menu
Check if the menu expands. If not, press three times quickly while inside the menu. Key Advanced Options Explained
What specific (e.g., undervolting, changing graphics modes, fixing a missing drive) are you trying to accomplish?
What (e.g., AHCI mode, DVMT, virtualization) are you trying to change?
Turn on the laptop and press . Check for the newly revealed tabs. Method 3: The Three-Finger Boot Option
If the hotkeys do not work, the Advanced menu is likely suppressed at the code level. Unlocking this requires modifying the BIOS firmware. insydeh20 setup utility rev 35 advanced options verified
Over years of community testing, BIOS modders and power users have found a few verified workarounds to reveal the hidden Advanced menu in InsydeH20 Rev 3.5.
Navigate across the top menu; the hidden or Developer tabs should now be visible. Method 2: The Multi-Key Sequence (Lenovo Specific)
Accessing and configuring the hidden allows you to unlock control over your hardware, including CPU overclocking, RAM speed adjustments, fan speed curves, and dedicated graphics settings. How to Unlock the Hidden Advanced Menu
Determines how the motherboard communicates with hard drives/SSDs. Check if the menu expands
Open a command prompt with Administrator privileges in the H2OUVE folder.
Edit the variable value (usually changing a 00 to a 01 ), save the file, and flash it back using: H2OUVE.exe -s vars.txt Reboot into BIOS to see your changes applied. Method 3: Hardware Flashing (The Ultimate Recourse)
The is a powerful tool disguised as a simple interface. By using the secret key combinations or variable editors, you can unlock a suite of tools that improve performance, lower temperatures, and give you total control over your hardware.
The is a capable but intentionally restricted UEFI. The good news is that the verified advanced options we have documented — from enabling virtualization to adjusting SATA modes — work reliably across dozens of laptop models. The hidden Advanced tab is not a myth, and the key combination A, S, F4 is your gateway to a much more powerful device. What (e
Once inside the hidden Advanced tab, you will see categories like PCI Subsystem Settings , ACPI Settings , CPU Configuration , SATA Configuration , and USB Configuration . Below are the settings that work on Rev 35 across multiple laptop brands.
: Rev 3.5 often requires you to set a "Supervisor Password" before it allows you to disable Secure Boot for Linux or custom OS installations .
Technical data cross-verified from Insyde Software public PRM excerpts, Win-Raid Forum UEFI development threads, and direct hardware testing on reference platform CRB-KBL-R2.