Another Fix for the Floaty mouse, input lag, Delay Problem (INTEL ONLY)

[TheClowns5]

So i thought about not Posting this bc theres already alot of Posts on this.
But I was having this Problem now for almost 3 years and it has been driving me absolutely nuts.
So thats why I want to share the Solution that has worked for me bc even if it only works for 1 other Person thats 1 less Person going crazy over this Problem.



Okay so straight to it:

#Enter BIOS:
#Enable IOAPIC entries
#Enable Intel Dynamic Tuning Technology
Go to Windows Device Manager:
Look for devices such as:
-PCI Communication Device
-PCI Data Acquisition / Signal Processing Controller
-Proxy Resource Hub (or similar)
#Install or reinstall missing drivers:
-Intel Management Engine (ME)
-Intel Innovation Platform Framework (IPF / DTT) - likely the most important one
-Intel Integrated Sensor Hub (ISH)
Restart your system.

For me the Problem vanished with that Restart for good.



Now for all the People that care why I think this works and what the Problem was:

The root cause is very likely related to improper interrupt handling.

Hardware components like your mouse, GPU, and PCIe devices communicate with the CPU through interrupts. If these interrupts are not properly distributed, prioritized, or processed — due to missing drivers or incomplete ACPI/IOAPIC configuration — it can result in:
-Delayed input processing
-Micro-stuttering despite stable FPS
-Inconsistent frametimes
-A floaty or disconnected mouse feel
IOAPIC ensures that interrupts are distributed efficiently across CPU cores instead of being bottlenecked.
Intel DTT/IPF/ISH provide low-level system management, telemetry, and scheduling interfaces that Windows relies on to correctly manage hardware behavior and timing.
Intel ISH handles internal event and sensor communication that can indirectly affect timing consistency.
PCIe interrupt routing and lane behavior may also contribute, especially if devices are not being handled optimally at the system level.

This Problem is especially hard to trouble shoot because most surface level benchmarks will make it look like your system is performing just fine and thats what drove me absolutely insane. I eventually did notice tho after shaving my Operating system down to a minimum and minimizing Interrupts that the feeling got better the more i manually tried to manage Interrupt Affinity and spread the load off on diffrent Cores and for me thats when i thought, that it just seems very odd that my Gaming PC seems to not be able to handle a mild Interrupt load without Stutters. So i startet digging on what works how and so on and so forth and with a bit of research and a lot more of me frustrated bruteforcing random Settings cause why not I finally got it right and i actually noticed it right after restart in the Bios immediatly, i was absolutely dumbstruck that my mouse could move that smoothly in the Bios, before it always seemed to be very jittery and i just thought thats normal in the Bios.

So yeah.
I really hope this helps you bc i feel every bit of your pain when it comes to this Problem.
Sure do let me know if this helped.

Cheers.

[ablemor]

Hello, not placebo? u dont have floaty mouse, right?

[spkii]

It happens too on PS5 not only computers, not a "tweak" solution btw if you solved it...