2 interesting guides from Blue Cat Audio:
How to Optimize a Windows Laptop for Low Latency Real Time Audio
Solving Audio Dropouts / DPC Latency Issues With NVIDIA Drivers On Windows
Also of note for all people with an NVIDIA card, laptop or desktop: NVIDIA has acknowledge a latency issue with the 531.41 driver, but no fix is available at this time.
How to Optimize a Windows Laptop for Low Latency Real Time Audio
Solving Audio Dropouts / DPC Latency Issues With NVIDIA Drivers On Windows
Also of note for all people with an NVIDIA card, laptop or desktop: NVIDIA has acknowledge a latency issue with the 531.41 driver, but no fix is available at this time.