![]() ![]() Big thanks to for his work in the other question and for leading me towards WPRUI and WPA. I thought I'd type this up since I spent so much time researching the problem. Since it's a laptop and I'm not likely to use the wired NIC anytime, I just disabled it in Device Manager, and the problem stopped immediately. Could you: 1) Explain what ntoskml.exe is. If all goes according to plan, Windows users could be experiencing reduced waiting. I have also searched in the SuperUser Website but I can't find a solution. According to the Windows team, In practice, compressed memory takes up about 40 of the uncompressed size, and as a result of a typical device running a typical workload, Windows 10 writes pages out to disk only 50 as often as previous versions of the OS. Updating to the latest drivers from Dell didn't help. A lot of other people have been having the same problem, but it was either high CPU or Memory usage. Looking up that driver, it was for the onboard NIC (Realtek). I drilled down the CPU spikes through ntoskrnl.exe -> ndis.sys -> rt640圆4.sys. Following what magicandre1981 did in the other thread, I used WPRUI to capture the activity and opened it in WPA. Observing Task Manager during these lockups, 'System and compressed memory' would be the only thing spiking and would reach about 25% before returning to a negligible level. I tried to follow What is the cause of a high CPU usage of 'system and compressed memory' in Windows 10? because the symptoms were similar, but the root cause was different. ![]() After a random amount of time after reboot (20 minutes to 2 hours), my laptop would have considerable lag, locking up for 2-3 seconds every 6-10 seconds. ![]()
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