1. Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your HYSTOU Gaming Mini PC GT11 i9-11900. This compact desktop computer is equipped with an 11th Gen Intel Core i9-11900 processor, NVIDIA RTX 3050 graphics, and supports up to four display outputs for an immersive computing experience.

Image: The HYSTOU Mini Gaming PC with RTX3050, showcasing its compact design and powerful components.
2. Package Contents
Verify that all items listed below are present in your product packaging:
- HYSTOU Gaming Mini PC
- Mounting Bracket
- HD Cable (2.0)
- Power Supply
- Instruction Manual (this document)

Image: Various views of the HYSTOU Mini PC packaging, indicating the contents and branding.
3. Product Overview
3.1 Key Features
- Processor: 11th Gen Intel Core i9-11900 (8 Cores/16 Threads, up to 5.2 GHz)
- Graphics: NVIDIA RTX 3050 with 6GB GDDR6 memory
- Memory: Dual-channel DDR4, expandable up to 64GB
- Storage: M.2 2280 NVMe PCIe 3.0 x4 SSD (up to 8TB), 2.5-inch SATA 3.0 HDD/SSD slot (up to 4TB)
- Display Output: Supports 4 screens (2x HD 4K@60Hz, 2x DP 8K@60Hz)
- Connectivity: WiFi 6 (802.11AX), Bluetooth 5.2, Gigabit Ethernet RJ45
- Operating System: Windows 11 Pro

Image: An overview of the HYSTOU Mini PC's key features, including processor, graphics, and connectivity.
3.2 Ports and Interfaces
The HYSTOU Mini PC offers a comprehensive set of ports for various peripherals and displays:
- Front Panel: Power button (SW), 4x USB 2.0 ports, Type-C/USB 3.0 port, Microphone input (MIC), Speaker output (SPK)
- Rear Panel: DVI port, 2x HD ports, 2x DP ports, DC IN power input, LAN (Gigabit Ethernet), 2x USB 3.0 ports

Image: A detailed diagram illustrating the front and rear ports and interfaces of the HYSTOU Mini PC.
3.3 Internal Components
The internal design allows for easy access to upgradeable components:
- M.2 2280 NVMe/SATA SSD slot
- 2.5 inch HDD/SSD bay
- Dual DDR4 RAM slots (MAX 2*32GB)
- Mini PCIe 3.0 WiFi slot
- Built-in fan for efficient cooling

Image: An exploded view diagram showing the internal components and expandable storage options of the HYSTOU Mini PC.
4. Setup Instructions
4.1 Initial Connection
- Connect Display: Connect your monitor(s) to the Mini PC using the HD or DP ports. The PC supports up to four displays simultaneously.
- Connect Peripherals: Plug in your keyboard, mouse, and any other USB devices into the available USB ports.
- Connect Network: For a wired connection, connect an Ethernet cable to the LAN port. For wireless, ensure your WiFi antenna is connected (if external) or that the internal WiFi module is functional.
- Connect Power: Connect the power adapter to the DC IN port on the Mini PC, then plug the adapter into a power outlet.
4.2 First Boot
- Press the power button (SW) on the front panel of the Mini PC.
- The system will boot into Windows 11 Pro. Follow the on-screen instructions to complete the initial setup, including language, region, and user account creation.
5. Operating Instructions
5.1 Basic Operation
- Power On/Off: Press the power button to turn the PC on. To turn off, use the Windows shutdown option or press and hold the power button for 5 seconds.
- Restart: Use the Windows restart option.
- Sleep Mode: Use the Windows sleep option or briefly press the power button.
5.2 Multi-Screen Display
The Mini PC supports up to four independent displays, enhancing productivity for various tasks such as gaming, video editing, and professional design.
- Connect up to two monitors via HD ports (4K@60Hz).
- Connect up to two additional monitors via DP ports (8K@60Hz).
- Once connected, Windows will automatically detect the displays. You can configure display settings (extend, duplicate, or show only on one) via Settings > System > Display.

Image: A visual representation of the HYSTOU Mini PC connected to four monitors, demonstrating its multi-screen display capability for gaming and productivity.
5.3 Performance and Usage Scenarios
The HYSTOU Mini PC is designed for high-performance tasks, including:
- Gaming: Play demanding titles like Rainbow Six Siege and Cyberpunk 2077 with the NVIDIA RTX 3050.
- Creative Work: Run software like C4D, 3D design tools, video editing (PR), and Photoshop smoothly.
- 8K/4K Video Playback: Enjoy high-resolution media content.
- Business & Office: Efficiently handle multitasking and demanding applications.

Image: Examples of the HYSTOU Mini PC in various usage scenarios, including CAD design, gaming, AI applications, and 8K video playback.
6. Maintenance
6.1 Cleaning
- Regularly clean the exterior of the Mini PC with a soft, dry cloth.
- Use compressed air to clear dust from ventilation openings to ensure proper airflow and prevent overheating. Do this at least once every 3-6 months.
- Do not use liquid cleaners directly on the device.
6.2 Software Updates
- Keep your Windows operating system updated to the latest version for security and performance improvements.
- Regularly update your graphics drivers (NVIDIA) to ensure optimal gaming and application performance.
6.3 Storage Expansion
You can expand the storage capacity of your Mini PC:
- Install an additional M.2 NVMe SSD (up to 8TB) in the available slot.
- Add a 2.5-inch SATA HDD or SSD (up to 4TB) in the dedicated bay.
- Refer to the internal components diagram in Section 3.3 for slot locations.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| PC does not power on | No power supply; loose power cable | Ensure power adapter is securely connected to both the PC and the power outlet. Check if the power outlet is functional. |
| No display on monitor | Incorrect display cable connection; monitor input not selected; faulty cable/monitor | Verify display cables (HD/DP) are securely connected. Ensure the monitor is set to the correct input source. Test with a different cable or monitor if possible. |
| No internet connection (wired) | Ethernet cable disconnected; router issue; network driver issue | Check Ethernet cable connection. Restart your router. Check network adapter status in Windows Device Manager. |
| No internet connection (wireless) | WiFi disabled; incorrect password; router issue; driver issue | Ensure WiFi is enabled in Windows settings. Verify WiFi password. Restart your router. Update WiFi drivers. |
| System runs slowly or freezes | Too many applications running; insufficient RAM; overheating; malware | Close unnecessary applications. Check Task Manager for resource usage. Ensure proper ventilation and clean dust. Run antivirus scan. Consider upgrading RAM if frequently low. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand | HYSTOU |
| Model Name | GT11 i9 11900 |
| Operating System | Windows 11 Pro |
| CPU Model | Intel Core i9-11900 |
| CPU Speed | Up to 5.2 GHz |
| CPU Cores | 8 |
| Cache Size | 16 MB |
| Graphics Coprocessor | NVIDIA RTX 3050 |
| Graphics RAM Size | 6 GB GDDR6 |
| Installed RAM | 64 GB DDR4 (Configurable) |
| Max RAM Capacity | 64 GB |
| Memory Speed | 14000 MHz (Graphics), 8002 MHz (System) |
| Storage | 1TB M.2 NVMe SSD + 2TB HDD (Configurable) |
| Hard Disk Technology | SSD, HDD |
| Max Screen Resolution | 7680x4320 (8K) |
| Video Output Interfaces | 2x HDMI, 2x DisplayPort, DVI |
| Connectivity | Bluetooth 5.2, Ethernet, Wi-Fi 6 |
| USB Ports | 4x USB 2.0, 3x USB 3.0, 1x Type-C |
| Special Features | Four Screen Display Output, Auto Power On, Kensington Security Slot, TPM 2.0 |
| Item Dimensions | 5.5 x 20 x 27.6 cm |
| Item Weight | 1.5 Kilograms |
9. Warranty and Support
9.1 Warranty Information
HYSTOU provides a three-year warranty for this Mini PC. This warranty covers manufacturing defects and hardware malfunctions under normal use conditions. Please retain your proof of purchase for warranty claims.
9.2 Technical Support
For any technical assistance or inquiries, HYSTOU offers:
- 7*24 hours one-to-one customer service.
- Lifetime technical support.
You can contact support through the following methods:
- Amazon Buyer Account: Log in to your Amazon buyer account, find your order, and click "Get Help."
- Support Email: hystou_service@126.com

Image: HYSTOU customer support details, including steps to get help via Amazon and a support email address.