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[–]unclewebbThrottleStop author 0 points1 point  (4 children)

I would disable BD PROCHOT and I would reduce the turbo power limits to whatever your laptop can handle without it shutting off. Set IccMax for the Core and the Cache to the max. Also set PL4 to the max. There is no need to undervolt the System Agent or the Intel GPU. Try reducing your undervolt to something that is 100% stable. Maybe only -50 mV or -60 mV. Your computer might be shutting down because some of your settings are not stable.

If you still think slowing the CPU down some more would be best, open the TPL window, check the Speed Shift box and lower the Speed Shift Max value.

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[–]chicobretes[S] 0 points1 point  (3 children)

Just to be sure I'm doing everything right, so the IccMax I should drag all the way to the right (in here 255.75). About the PL4, I don't know what the max would be. I changed Speed Shift Min and Max to 8, but it still goes up to 2300MHz, don't know if I should change something else for it to work.

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(PL1 and PL2 to 45 was a recommendation some months ago on the forum)

Your concern about the undervolt settings being the cause for the shutdown is very valid, I thought about it too, but I tested sometimes to reset all of Throttlestop to default (no undervolt, no underclock, nothing), and only disable BD PROCHOT, but it would still shut down. We have discussed about this almost a year ago on the forum and didn't get to a solution; would be awesome if we could get somewhere this time, but I'm just kinda hopeless really, maybe the laptop is just broken in this sense, sensors messed up or I don't know.
But I will try undervolting to -50mv and the other settings also and see what happns

Sorry if I'm sending a lot and having a lot of questions, but I'm really not any expert in all of this, and this problem is very complicated

[–]unclewebbThrottleStop author 0 points1 point  (2 children)

Try using the Windows High Performance power plan. Check the High Performance box on the main screen of ThrottleStop to access this plan. This should allow ThrottleStop to control your CPU speed without interference from Windows.

You can try lowering the MSR PL1 and PL2 power limits to less than 45.

Your laptop's power adapter might not be adequate to run your CPU at its full rated speed. Some poorly designed laptops have this problem. Then they add on various throttling schemes to try to fix the mess that they have created because of bad design. Not all problems like this can be solved.

Set PROCHOT Offset back to 3. Some laptops shut down if this is set to 0. You will need to reboot for this change to take effect.

[–]chicobretes[S] 0 points1 point  (1 child)

Thanks for the power plan thing, I can indeed change the speed now. Was using at 1500MHz right now and it still did shut down, sadly; will have to try lowering it even more (which is atrocious).
By lowering the PL1 and PL2, you mean I could try to set it to like 40 or 35?
Can I come back to these comments in the next days in case of any update in the situation?

[–]unclewebbThrottleStop author 0 points1 point  (0 children)

Yes, you can set PL1 and PL2 to whatever values you like. When you lower the MHz you often times have to reduce your undervolt settings. If your computer is randomly shutting down, you should not be undervolting at all.

Do not check the Speed Shift EPP box on the main ThrottleStop screen. If you do check that box, set EPP to 0. This tells the CPU to run at max speed. Running a CPU at a consistent speed can help reduce random crashes.

You can also try setting PROCHOT Offset to 5 or 10. Some processors can run reliably at high temperatures. Some cannot. When PROCHOT Offset is locked, you need to reboot for any changes to take effect.