1. Introduction
This manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your GMKtec Mini PC. The GMKtec Mini PC, powered by an AMD Ryzen 7 5800U processor, is a compact and powerful desktop computer designed for a wide range of applications, including gaming, business, and home use. It features 16GB DDR4 RAM, a 512GB M.2 PCIe SSD, and supports triple 4K@60Hz display output.

Figure 1: GMKtec Mini PC, showcasing its compact design and front ports.
2. Package Contents
Please verify that all items listed below are included in your package. If any items are missing or damaged, please contact customer support.
- Nucbox 10 AMD Ryzen 7 5800U Mini PC
- HDMI Cable
- VESA Mount with Screws
- Power Cable & Plug
- User Manual (this document)

Figure 2: Contents of the GMKtec Mini PC package, including the PC, cables, and VESA mount.
3. Setup Guide
3.1 Connecting Peripherals
- Power Connection: Connect the power cable to the DC Port on the back of the Mini PC and then to a power outlet.
- Display Connection: Connect your monitor(s) to the HDMI 2.0 ports or the Full Function Type-C port. The Mini PC supports up to three displays simultaneously at 4K@60Hz.
- Keyboard and Mouse: Connect your USB keyboard and mouse to the available USB 2.0 or USB 3.2 ports.
- Network Connection: For a wired connection, connect an Ethernet cable to the 2.5G RJ45 LAN port. For wireless, the Mini PC supports WiFi 6E.
- Audio Devices: Connect headphones or speakers to the 3.5mm Audio Jack.

Figure 3: Detailed view of the Mini PC's front and rear ports, including USB, HDMI, Type-C, and Ethernet.
3.2 Initial Power On and Windows Setup
After connecting all necessary peripherals, press the Power Button on the front of the Mini PC. The system will boot into Windows 11 Pro. Follow the on-screen instructions to complete the initial Windows setup, including region, language, network, and user account creation.
3.3 Triple Screen Display Configuration
To utilize the triple screen display feature, connect up to two monitors via the HDMI 2.0 ports and one via the Full Function Type-C port. Once connected, Windows will automatically detect the displays. You can configure display settings (extend, duplicate, or show only on one) by right-clicking on the desktop and selecting "Display settings".

Figure 4: The Mini PC supporting a triple monitor setup, ideal for multitasking and immersive experiences.
4. Operating Instructions
4.1 General Usage
Your GMKtec Mini PC is pre-installed with Windows 11 Pro, offering a familiar and intuitive operating environment. It is suitable for various tasks:
- Gaming: The AMD Ryzen 7 5800U processor with integrated Radeon Vega 8 graphics allows for smooth performance in many popular games at appropriate settings.
- Business & Office: Efficiently handle productivity tasks, video conferencing, and data processing.
- Home Entertainment: Enjoy 4K video playback and connect to your home theater system.

Figure 5: The Mini PC providing an immersive gaming experience, demonstrating its capability for modern titles.
4.2 Performance and Connectivity
The AMD Ryzen 7 5800U processor features 8 Cores and 16 Threads, with a burst frequency up to 4.4 GHz, ensuring robust performance for demanding applications. The 16GB DDR4 RAM (expandable up to 64GB) and 512GB NVMe PCIe SSD (expandable up to 2TB) provide fast data access and ample storage.
For network connectivity, the Mini PC supports the latest WiFi 6E (802.11ax) standard for high-speed wireless internet and Bluetooth 5.2 for connecting wireless peripherals. The 2.5G Giga LAN port offers a stable and fast wired network option.

Figure 6: Overview of the AMD Ryzen 7 5800U processor's core specifications and performance benchmarks.
5. Maintenance
5.1 Cooling System
The GMKtec Mini PC features a built-in cooling fan system designed for efficient heat dissipation while maintaining low noise levels. To ensure optimal cooling performance:
- Place the Mini PC in a well-ventilated area, avoiding enclosed spaces that could restrict airflow.
- Ensure that the ventilation grilles are not obstructed by objects or dust.
- Periodically clean the exterior of the Mini PC with a soft, dry cloth to prevent dust buildup.

Figure 7: Illustration of the Mini PC's internal cooling fan and heat dissipation design.
5.2 Storage and Memory Upgrades
The Mini PC offers flexibility for storage and memory expansion:
- RAM: The 16GB DDR4 RAM can be expanded up to 32GB in a single slot or up to 64GB using both dual slots.
- SSD: The 512GB M.2 2280 NVMe 3.0 x4 SSD can be upgraded to 2TB.
- Micro SD: Additional storage up to 128GB can be added via the Micro SD card slot.
For internal component upgrades, it is recommended to consult a qualified technician or refer to detailed online guides specific to the KB10 model to avoid damaging the device.

Figure 8: An exploded view illustrating the internal components, including RAM, SSD, and cooling fan.
6. Troubleshooting
If you encounter issues with your GMKtec Mini PC, please refer to the following common troubleshooting steps:
| Problem | Possible Cause / Solution |
|---|---|
| No Power / System Not Booting |
|
| No Display Output |
|
| Fan Noise / Overheating |
|
| Network (WiFi/LAN) or USB Connectivity Issues |
|
| System Freezes or Crashes |
|
If the problem persists after attempting these solutions, please contact GMKtec customer support for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | GMKtec |
| Model Series | KB10 |
| Item Model Number | ミニpc amd 5800u |
| Operating System | Windows 11 Pro |
| Processor | AMD Ryzen 7 5800U (8 Cores, 16 Threads, up to 4.4 GHz) |
| Graphics Coprocessor | AMD Radeon Vega 8 2000MHz (Integrated) |
| RAM | 16 GB DDR4 (3.2 GHz, expandable up to 64GB) |
| Hard Drive | 512 GB M.2 2280 NVMe 3.0 x4 SSD (expandable up to 2TB) |
| Max Screen Resolution | 3840 x 2160 pixels (4K) |
| Wireless Type | WiFi 6E (802.11ax), Bluetooth 5.2 |
| Ports | 2x USB 3.2, 2x USB 2.0, 2x HDMI 2.0 (4K@60Hz), 1x Full Function Type-C (DP+PD), 1x 3.5mm Audio Jack, 1x 2.5G Giga LAN |
| Dimensions (LxWxH) | 4.86 x 4.39 x 1.45 inches |
| Item Weight | 2.25 pounds |
| Color | Baby Blue |
8. Warranty and Support
GMKtec provides a 12-month satisfying service for your Mini PC. Additionally, customers are entitled to lifetime technical support.
For technical assistance, warranty claims, or any product-related inquiries, please visit the official GMKtec support website or contact their customer service team. Keep your purchase receipt and product serial number handy when seeking support.





