Using windows 8? bcdedit /set disabledynamictick yes Set HPET in BIOS bcdedit /set useplatformclock true Set High Performance settings in battery options Get all current windows 8 updates Get all current windows 8 drivers for your system Install Skyrim on SSD ----- Report back with the results. In general, windows 8 has a host of problems with DPC latency (google, anandtech, etc), and the above are suggested ways to fix it. Hm... I see that windows 8 was not the cause of their problems. Still, the tweaks I suggested do improve the latency picture.