The OP has not yet provided any hint why it shouldn't.Į.g. It should still show the correct CPU speed even if it's only using a small percentage. And why are there running so many processes?.With antivirus enabled, it would be more busy. That's one of the reasons why your CPU has so little to do so that it can turn down a bit. Mad-SpiceHead wrote:I've disabled antivirus. There is some interaction with some Intel drivers responsible for the management of the CPU and of the system board. There is no application involved in this normal behaviour. And even if you would succeed in replacing the CPU, you're not guaranteed that this method did not harm other components of your system board too. But be aware that replacing a CPU is probably not a supported maintenance method. Then the CPU will be destroyed by the stress test before finishing that test. But after you succeeded in disabling it, you should run a performance test to verify that such bottlenecks have been lifted. I don't know how to disable such healthguard features of the CPU. It would be a reliable method for quickly destroy the CPU. And if you would intervene in too much in these automatic policies, you would prevent also any safeguards Intel has builtin to prevent overheating when the CPU gets busy. The last microcode update was a few years back. And I haven't seen any CPU microcode update in the past year. I don't know if the OEM offers any update of the firmware. The driver causing this symptom is the microcode of the CPU and the firmware of the system board. And if he interrupts notebook use by a phone call coming in on his phone instead of his notebook, it might even slow down further, not in speed but in CPU usage. Typing something will not require many resources and hence will not keep the notebook busy. Or do you mean that the user has chosen to currently not ask much of his notebook is an issue? If yes, then either replace the user or ask him to keep his notebook busy. Mad-SpiceHead wrote:I'm trying to find the application or driver that is causing this issue. That's why it slows down when it has little or nothing to do. The speed will increase when the notebook gets more to do. That's normal when the notebook has so little to do. Mad-SpiceHead wrote:the speed shows as 0.4Ghz under Task Manager/Performance
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