Fix Input Lag & Boost FPS – Enable MSI Mode the Right Way

Your CPU is handling device inputs wrong — and it’s costing you latency, FPS, and responsiveness. Here’s the fix: This video walks through how to properly enable MSI Mode, clean up IRQ conflicts, reduce DPC latency, and tweak key interrupt settings for better input response and smoother competitive gameplay. No hype, no bloat — just real, actionable latency gains. 🛠️ Commands & Registry Paths Used: 🔹 Step 1: Enable MSI Mode (Message Signaled Interrupts) Tool: MSI Utility v3 (run as Admin) Download from trusted forums (link in video/pinned comment) View devices: MSI Supported = Yes Check GPU, NVMe, Sound Card, USB, Ethernet Apply, Restart 🔹 Optional Registry Path (Manual MSI Enable): HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\PCI\{DeviceID}\Device Parameters\Interrupt Management\MessageSignaledInterruptProperties DWORD: MSISupported = 1 🔹 Step 2: Disable Wake Timers to Prevent Interrupt Spikes 🧩 Part A – Registry Path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power DWORD: PowerRequestOverrideEnabled = 0 🧩 Part B – Power Plan Settings Control Panel, Power Options , Change Plan Settings , Advanced Sleep , Allow Wake Timers: Disable (on battery + plugged in) 🔹 Step 3: Disable HPET (High Precision Event Timer) Run in Command Prompt (Admin): bcdedit /deletevalue useplatformclock 🧪 Optional Check: bcdedit /enum If no useplatformclock found, HPET is already disabled. 🔹 Step 4: Prioritize Game Network Packets (QoS Policy) Tool: Group Policy Editor (gpedit.msc) Path: Computer Configuration , Windows Settings , Policy-based QoS Create New Policy: Name: GameTrafficBoost DSCP: 46 Throttle Rate: 0 Apply to: Specific executable (cs2.exe, valorant.exe) or all TCP/UDP outbound 🔹 Step 5: Clean Up Ghost Devices (IRQ Conflicts) Run in Command Prompt (Admin): set devmgr_show_nonpresent_devices=1 start devmgmt.msc Then in Device Manager: View , Show Hidden Devices Uninstall grayed-out entries under: Network Adapters Sound, Video & Game Controllers USB Controllers ✅ Results You Can Expect: Lower Input Delay Better IRQ Routing Reduced Ping Spikes Cleaner DPC Latency More Responsive FPS Gaming 💬 Let me know if your input lag improved or if MSI mode worked for your GPU/NVMe! 🔔 Subscribe for more deep performance tweaks.