It seems like we have an ongoing issue on computer in which our key challenges are to find the correct drivers for Windows 8.1 and Windows 10 versions.ĭriver related issues are difficult to resolve as we are partially depend upon their driver release.
There unfortunately isn't any option in the BIOS to disable SpeedStep. I suspect that Windows is doing something SpeedStep that causes this problem. I945GM Chipset, 82801GHM (ICH7-M/U) Southbridge Intel Mobile Core 2 Duo 1.66GHz (MMX, SSE, SSE2, SSE3, SSSE3, Intel 64, NX, VMX) Windows 7 works fine even with all the windows updates installed.įor reference, the specs of this computer are: There appears to be a bug in the Intel Power Management driver introduced some time after WindowsĨ. Sometimes an automatic update updates the driver again and the setting needs to be changed again. Execute "sc config intelppm start= disabled"Īfter restarting the computer, it works at normal speed. There are 2 methods presented:ġ. Edit the registry (HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\intelppm\Start = 4)Ģ. (Installation, boot, and windows are all slow.)Īfter searching all over online, I found a solution - disable the the service associated with intelppm.sys. The same appears to occur on a fresh install of Windows 10.
(The only update before the upgrade is KB2871389 - the only requirement for the upgrade.) The Windows 8.1 upgrade is performed on a clean install of Windows 8 Pro. Opening Task Manager, i see that the CPU is running at 0.2 GHz and won't go higher the CPU is saturated so After the installation, it takes on the order of 10s of minutes to get to the windows desktop. The computer restarts and takes hours to complete. When installing the Windows 8.1 upgrade from the store, There are no problems with the initial Windows 8 installation. Windows 8.1 and Windows 10 has been extremely slow on my laptop, and the cause of it apears to be the Intel Power Management driver. I'm wondering if anyone else has had this problem, and where it's going to get fixed in the future.
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