How to fix PEAK keyboard and mouse input lag
If you're experiencing keyboard and mouse lag in PEAK, try these steps: 1. Disable Input Smoothing and enable Raw Input in game settings. 2. Update or roll back input device drivers. 3. Close background apps like RGB or macro software. 4. Set Windows to High Performance mode and disable USB power saving. 5. Run the game in Exclusive Fullscreen or Borderless Windowed mode at native resolution.
If you're experiencing keyboard and mouse input lag in the cooperative climbing game PEAK, it can severely disrupt synchronization and gameplay. Here are effective methods to reduce or eliminate the lag.
The operating environment of this tutorial: Dell XPS 13, Windows 11
1. Adjust In-Game Input Settings
PEAK allows customization of input sensitivity and polling behavior. Reducing input processing delay within the game can immediately improve responsiveness.
- Open PEAK and navigate to the "Controls" section in Settings.
- Set "Input Smoothing" to Off.
- Lower the "Mouse Sensitivity" to reduce prediction overhead.
- Enable Raw Input if available.

2. Update or Roll Back Device Drivers
Outdated or buggy drivers for your keyboard and mouse can introduce latency. Updating ensures compatibility, while rolling back may help if a recent update caused the issue.
- Press Win X and select "Device Manager".
- Expand "Human Interface Devices" and "Mice and other pointing devices".
- Right-click your input devices and choose "Update driver".
- If the problem started recently, select "Roll back driver" instead.

3. Disable Background Applications
Third-party software such as RGB control panels, macro tools, or clipboard managers can intercept input signals and add delay.
- Open Task Manager with Ctrl Shift Esc.
- Go to the "Startup" tab and disable non-essential programs.
- End tasks related to peripheral control software (e.g., Logitech G Hub, Razer Synapse).
- Restart the game after closing background processes.

4. Modify Windows Power and USB Settings
Power-saving modes can throttle USB input performance. Ensuring full power delivery to peripherals helps maintain consistent polling rates.
- Go to "Control Panel > Hardware and Sound > Power Options".
- Select High performance or create a custom plan.
- In Device Manager, expand "Universal Serial Bus controllers".
- Right-click each "USB Root Hub" and uncheck "Allow the computer to turn off this device to save power".
5. Run PEAK in Borderless Windowed or Exclusive Fullscreen
Display mode affects input latency. Exclusive fullscreen reduces compositor overhead, while borderless windowed can work better with multi-monitor setups.
- Launch PEAK and go to "Video Settings".
- Change "Display Mode" to Exclusive Fullscreen.
- If screen tearing or focus issues occur, switch to "Borderless Windowed".
- Ensure the game runs at the monitor’s native resolution.
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