Reboot the computer after the uninstall process has finished.Now click on Programs and select Programs and Features.Uninstall the Device Drivers from Program List in Control Panel Reboot the computer after uninstall process has finished.Select the check box delete the driver software for this device.Right click Display card Driver and select.I would suggest you to follow the steps provided below: What is the make and model of your computer?įile igdkmd64.sys is the Intel Graphics Kernel Mode Driver for Microsoft Windows 8. I understand the frustration when things don't work the way it should. I will be glad to help you with the issue you have with the computer.

Thank you for posting on Microsoft Communities. I have completely removed windows, downloaded a new copy on an external hdd and then reinstalled windows and the same situation is happening high CPU, system Interrupts fluctuating between 25% and 51% cpu usage and when I run Latency mon it tells me its acpi.sys and task manager is displaying system interrupts at a high cpu usage.Īny help will be greatly appreciated as the time I have spent trying to find a solution has really worn me out.ĭRIVER_IRQL_NOT_LESS_OR_EQUAL (igdkmd64.sys) I have tested all the hardware I can think of i.e hdd, ram,cpu, network card and all tests have come back fine with the different bits of free software I have acquired online. I just want the system to do basic tasks without hanging it literally hangs when you click the windows button to get the start menu up or even just clicking to open a folder. I tried to solve this following lots and lots of different forums but still have not succeeded. Its regarding ACPI.sys and system interrupts.īIOS VERS. I hope someone may be able to shed some light on this system issue I am having please.

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