Sys Tweak Switch — !!exclusive!!

Then add this registry key for absolute raw input: HKEY_CURRENT_USER\Control Panel\Mouse Set MouseSpeed = 0, MouseThreshold1 = 0, MouseThreshold2 = 0

Same Performance Options dialog → Advanced tab sys tweak switch

dxdiag → Display tab → Look for “Hardware-Accelerated Scheduling” Then add this registry key for absolute raw

Flip both if you have a discrete GPU from NVIDIA (GTX 1000 series or newer) or AMD RX 5000+. MouseThreshold1 = 0