System Stuttering Issues

Stuttering in the middle of a game is frustrating. This guide walks you through the most common causes and how to fix each one.

Before You Start

Before troubleshooting, check that these requirements are met:

SignalRGB is updated to the latest version
Windows is fully updated
Your graphics card drivers are up to date
Other RGB software (like iCUE, Armoury Crate, or MSI Center) is closed
Windows Game Mode is turned off
- Open Windows Settings, click Gaming, then click Game Mode and turn it off

Some fixes in this guide change how SignalRGB controls your lighting. Each section explains the trade-off before you make the change.

For recommended settings, see Performance Issues.

If all requirements are met and your games still stutter, continue to the solutions below.

Common Issues and Solutions

Games Stutter on Computers With an NVIDIA Graphics Card

Symptoms: Games stutter or drop frames while SignalRGB controls your NVIDIA GPU lighting.

Solution: Disable your GPU in SignalRGB.

Open SignalRGB and click the Devices tab.
Click your GPU in the device list.
Click Settings, then turn off the Device Enabled toggle.

SignalRGB GPU device Settings tab with the Device Enabled toggle turned off

Disabling your GPU in SignalRGB stops the application from controlling your graphics card lighting. To turn it back on, toggle Device Enabled back on.

Why this happens: SignalRGB uses NVIDIA’s API to control graphics card lighting. These tools have a known bug that causes stuttering on some computers when multiple sources attempt to communicate with the GPU. NVIDIA has not released a fix for this behavior yet.

Games Stutter While Screen Capture Is in Use

Symptoms: Stuttering happens only while an effect that captures your screen is running, like Screen Ambience or Game Effect Integrations.

Solution: Lower the capture framerate.

Open SignalRGB and click Settings.
Click Video, then move the Capture Framerate slider to a lower value.
Launch your game and check if the stuttering improves.

A lower capture framerate uses fewer resources, but your lighting may react to on-screen changes a little more slowly.

Performance Issues

Symptoms: Games run slower or stutter while SignalRGB is open, no matter which effect is running.

Solution: Try lowering the thread priority. This tells Windows to give your game more processing time than SignalRGB.

Click Settings, then click Audio Settings.
Set Thread Priority to Normal or Idle.
Restart your computer.

Advanced Troubleshooting

Clean Install Your Graphics Drivers

Use this fix if stuttering continues after trying the steps above. A clean install removes old driver files that can cause conflicts.

Steps:

Download the latest driver for your graphics card from NVIDIA or AMD. Save it for later.
Download Display Driver Uninstaller (DDU).
Run DDU and follow its instructions to remove your current graphics driver.
Restart your computer.
Install the driver you downloaded in step 1.

Update Your BIOS and Chipset Drivers

Use this fix if stuttering continues after a clean driver install. The BIOS is the built-in software that starts your motherboard. Chipset drivers help your motherboard work with Windows and your other hardware.

Download these updates from official websites, not from manufacturer apps. MSI Center, ASUS Armoury Crate, and Gigabyte App Center sometimes report an older version as the latest one.