1 Rookie

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30 Posts

January 15th, 2023 22:00

To control the CPU speed when the turbo ratios are locked by the BIOS, open up the ThrottleStop TPL window, check the Speed Shift box and lower the Speed Shift Max value. At least this lets you control the CPU speed anywhere from 800 MHz to maximum speed.

Hopefully this allows you to use your laptop without it constantly reaching 100°C. 

7 Technologist

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6.1K Posts

January 15th, 2023 15:00

Hi @Andrius.Karpas welcome to this free user-to-user Alienware laptop discussion forum. 

This is a known problem Core Isolation Memory Integrity, incompatibility - Dell Community.  

Is it possible to restore BIOS Factory Defaults on the Alienware m15 laptop? How to Restore the BIOS or UEFI (System Setup) to Factory Defaults on a Dell Computer | Dell US.  

1 Rookie

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19 Posts

January 15th, 2023 17:00

Thanks @crimsom Crimson for your reply, unfortunately, I can load any version of bios I want nothing stops. I have even reinstalled back windows 10 to test and then windows 11 back but no matter do I use Intel XTU or Throttlestop functions to manipulate voltage and the CPU multiplier is locked up even if core isolation memory is off, and virtualisation is off. Nothing helps to get back these features unlocked. I didn't mention that I can not downgrade, no actually I can load any BIOS version I want via USB and BIOS update tool. I can do it via BIOS recovery as well. But as I said nothing works.

5 Practitioner

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1.7K Posts

January 15th, 2023 19:00

Unfortunately it's usually Intel that demands these changes to be made in BIOS updates and Alienware/Dell have no say in the matter. Certain BIOS versions are irreversible due to this. 

It's very important to know what a BIOS update does before flashing. The general rule of thumb is not to update unless your system is having specific issues which the new BIOS will fix. Not only because it can make changes like this that you don't want but a bad flash can also brick a system which can be an expensive repair out of warranty. 

One option would be to have the BIOS chip flashed with a programmer or physically have the BIOS chip replaced with one with an earlier BIOS version. 

1 Rookie

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19 Posts

January 15th, 2023 23:00

Man, you are a star this worked I have my PC back stable locked at 3.3GHz which is with thermal limits stable and performing. Thanks for advise.

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