🔌 What is an HDMI Dummy Plug?
An HDMI dummy plug (also known as a display emulator or virtual display adapter) is a small device that simulates the presence of a monitor when plugged into the HDMI port of a computer or GPU. Once connected, the operating system detects it as a real display, thereby activating the GPU and enabling full graphics performance—even without a physical monitor.

🚀 Why Use an HDMI Dummy Plug?
Many GPUs disable hardware acceleration or reduce resolution output when no monitor is detected. This can cause:
Low-resolution displays in remote desktop sessions
Black/white screens when working headless
Unstable GPU behavior during operations like mining
With an HDMI dummy plug, these issues are solved by creating a virtual monitor, allowing the GPU to run at full performance.

Common Use Cases :
Cryptocurrency Mining:
Keeps the GPU active to avoid idle state or driver failure, ensuring stable performance and hardware acceleration.

Remote Work & IT Management:
Simulates a high-resolution display for remote desktop tools like RDP, TeamViewe-r, or AnyDes-k, allowing smoother operation and better control.

Game Streaming & Cloud Gaming:
Required for platforms such as Stea-m Remote Pla-y, Moonligh-t, or Parse-c, where GPU output must be active for real-time video streaming.

Machine Learning & AI Training:
Enables GPU output on headless servers, allowing frameworks like TensorFlo-w or PyTorc-h to run CUDA-based tasks smoothly.

Media Centers & Home Theaters (HTPC):
Prevents screen blanking or resolution issues when using headless media servers like Ple-x, Kod-i, or VLC with HDMI output.

Server or Workstation Monitoring:
Keeps display output alive for remote monitoring or diagnostics without needing a physical monitor.

Video Capture & Recording Setups:
Simulates a display for capture cards or streaming systems that require a constant signal source.

Virtual Reality (VR) Configuration:
Allows VR headsets (e.g., Oculu-s Rift, HTC Viv-e) to function correctly on PCs without a monitor attached.

Multi-Monitor Testing & Development:
Emulates extra screens for developers or testers who need to simulate multi-display environments without physical monitors.

Main Features & Use Cases:
✅ 1. Enable GPU Hardware Acceleration
When no display is detected, some dedicated graphics cards disable hardware acceleration or enter low-power mode. The HDMI Dummy Plug simulates a connected monitor, forcing the GPU to activate and deliver full graphical performance.

✅ 2. Virtual High-Resolution Display Output
Supports multiple resolutions . Even without a physical monitor, it enables remote desktop access, video rendering, and screen recording at high resolutions, avoiding blurry visuals or limited functionality.

✅ 3. Stable Remote Desktop Experience
Headless systems often suffer from black screens, white screens, or UI misalignment during remote access. The Dummy Plug creates a virtual desktop to ensure a clear, stable, and fully functional remote display.

✅ 4. Support for GPU Computing Tasks
Applications like AI training, deep learning, and graphic rendering rely on CUDA or OpenC-L. The Dummy Plug keeps the GPU active in headless servers, allowing proper driver loading and uninterrupted GPU computing.

✅ 5. Prevent System Lock or Screen Sleep
During long-running tasks such as rendering, mining, updates, or backups, the Dummy Plug prevents the system from locking or entering sleep mode due to perceived inactivity.

✅ 6. VR Device Compatibility
Some VR headsets require an active display connection to function. The Dummy Plug enables VR use on PCs without monitors, ideal for development, demos, or kiosk displays.

✅ 7. Multi-Monitor Simulation and Display Testing
Emulates a second or third display for testing, development, or demo purposes. No need to purchase additional monitors to simulate a multi-screen environment.

✅ 8. Video Capture and Streaming Output
Some capture cards or streaming devices require a stable HDMI signal source. The Dummy Plug provides continuous virtual video output, ensuring proper operation of capture systems.

✅ 9. Plug and Play with Broad Compatibility
No drivers, power, or setup needed—simply plug and use. Fully compatible with all major operating systems including Windows, macOS, Linux, and more.

✅ 10. Compact, Portable, and Efficient
Smaller than a finger, heat-free, and ultra-low power. Easy to carry and ideal for technicians, developers, and remote users needing a lightweight display solution.

✅11.Solve the problem that the remote resolution is low and cannot be operated.

✅12.Supported Resolutions and Refresh Rates:

7680 x 4320@30Hz
4096 x 2160@60/119.88/120 Hz
3840x2160@60/119.88/120 Hz （Recommended)
2560 x1600@60/119.88/120 Hz
2560 x1440@60/119.88/120/144 Hz
2560 x1080@60/119.88/120/144 Hz
2048 x1536@60/119.88/120/144 Hz
1920 x1440@60/119.88/120/144 Hz
1920x1200@60/119.88/120/144 Hz
1920 x1080@60/119.88/120/144 Hz
1680 x1050@60/119.88/120/144 Hz
1600 x1200@60/119.88/120/144 Hz
1600 x1024@60/119.88/120/144 Hz
1600 x900@60/119.88/120/144 Hz
1440x1080@60/119.88/120/144 Hz
1440 x900@60/119.88/120/144 Hz
1366 x768@60/119.88/120/144 Hz
1360x768@60/119.88/120/144 Hz
1280 x1024@60/119.88/120/144 Hz
1280 x960@60/119.88/120/144 Hz
1280 x800@60/119.88/120/144 Hz
1280 x768@60/119.88/120/144 Hz
1280 x720@60/119.88/120/144 Hz
1176 x664@60/119.88/120/144 Hz
1152 x864@60/119.88/120/144 Hz
1024 x768@60/119.88/120/144 Hz
800 x600@60/119.88/120/144 Hz

8K at 30Hz & All 120Hz Resolutions
Bit Depth: 8-bit
Color Format: YCbCr 4:2:0
Color Space: Standard Dynamic Range (SDR)

2K – 2560 x 1440 @ 60 / 119.88 / 144 Hz
Bit Depth: 8-bit (Dithered)
Color Format: RGB
Color Space: Standard Dynamic Range (SDR)