Symptoms & Diagnosis
AWS WorkSpaces cursor flickering is a common frustration for remote professionals. This issue typically manifests as a blinking pointer, a disappearing cursor when hovering over certain applications, or a visual “ghosting” effect during movement.
The root cause often lies in the synchronization between the local client and the remote instance. High latency, mismatched display scaling, or outdated graphics drivers on the WorkSpace itself are frequent culprits.
Before diving into complex fixes, identify the specific behavior using the table below:
| Symptom | Common Root Cause |
|---|---|
| Rapid Blinking | Mouse pointer scheme or “Mouse Trails” setting. |
| Invisible Cursor | Hardware acceleration conflict in browsers or Office apps. |
| Laggy Movement | Network latency or PCoIP/WSP protocol congestion. |
| Screen Tearing | Outdated Teradici or NVIDIA GRID drivers. |
Troubleshooting Guide
1. Disable Mouse Trails and Enhancements
Windows pointer enhancements often clash with virtual desktop protocols. Disabling these features is the fastest way to resolve flickering.
Navigate to Control Panel > Mouse > Pointer Options. Uncheck “Enhance pointer precision” and ensure “Display pointer trails” is turned off.
2. Update the AWS WorkSpaces Client
Ensure you are running the latest version of the AWS WorkSpaces client. Older versions may have compatibility issues with newer Windows 10/11 updates on the host side.
3. Toggle Hardware Acceleration
If the flickering occurs primarily within Chrome or Microsoft Teams, hardware acceleration is likely the cause. Disable it within the application settings to offload the rendering from the virtual GPU.
4. Verify Graphics Drivers via PowerShell
For Graphics or Power bundles, ensure the NVIDIA or local drivers are functioning correctly. You can check the driver status using this command:
Get-PnpDevice -PresentOnly | Where-Object { $_.Class -eq "Display" }5. Switch Protocols (WSP vs. PCoIP)
If you are using the PCoIP protocol, try migrating the WorkSpace to the WorkSpaces Streaming Protocol (WSP). WSP is designed to handle high-latency networks better and often provides a smoother cursor experience.
Prevention
To prevent future flickering, maintain a stable network connection with a round-trip time (RTT) under 100ms. High jitter is a primary driver of visual artifacts in VDI environments.
Regularly update your WorkSpace image. AWS frequently releases optimized bundles that include patches for display protocol bugs. Keeping your host OS updated ensures that the virtual display adapter remains compatible with the client software.
Finally, avoid using high-DPI scaling settings above 150% if possible. Mismatched resolution scaling between your local monitor and the remote WorkSpace can force the cursor to redraw constantly, leading to the flickering effect.