BIOS advanced settings help

Cmp240

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Jul 6, 2025
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Hello,
Im trying to unlock advanced settings in InsydeH20 BIOS in Acer AN 17-41 laptop with Ryzen7 7840hs, DDR 5 32gb 5600 RAM, Samsung 990 pro 2TB,
There's only 4 settings available in the advance settings in the BIOS, and I want to be able to adjust and see the System RAM speed, I believe they are being throttled, CPUz is showing 935mhz,
In addition the system isn't allowing Ryzen Master to be installed, although MSI afterburner is installed,but you cant see system RAM or adjust it thru Afterburner though,
I've tried multiple keystrokes, nothing,
Has Acer locked the BIOS?,if so,why?and how do I unlock it, run as administrator in BIOS?
Any help would be great

Thanks
 
Some InsydeH20 BIOS versions allow access to advanced menus using a key combo:
  • Reboot your laptop.
  • When the BIOS screen appears, press F2 to enter BIOS.
  • While in BIOS, press: Fn + Tab, Fn + Tab, Fn + Tab
  • Then press F10 to save and exit.
  • Reboot back into BIOS (F2 again).
  • You might now see a new Advanced tab or extra options unlocked.
If this doesn't work, try doing the Fn+Tab sequence from the main BIOS screen and then exiting/saving with F10. If none of that works, then Acer may have locked the BIOS on the version you are on.
 
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