1. Introduction
The GMKtec Mini PC Intel Alder Lake N100 (Model G3) is a compact and powerful computing solution designed for various applications, from office work and home entertainment to light gaming and server tasks. This manual provides detailed instructions to help you get the most out of your new mini PC.

Figure 1.1: GMKtec Mini PC G3, a compact and powerful computing device.
2. Safety Information
Please read and follow these safety guidelines to ensure safe operation and prolong the life of your device:
- Use only the original power adapter provided with the device.
- Do not expose the device to water, moisture, or extreme temperatures.
- Avoid placing the device in direct sunlight or near heat sources.
- Ensure proper ventilation; do not block the ventilation holes.
- Do not attempt to disassemble or repair the device yourself. Contact customer support for assistance.
- Keep the device away from strong magnetic fields.
3. What's in the Box
Verify that all items are present in your package:
- 1 x GMKtec Nucbox G3 Intel Alder Lake N100 Mini PC
- 1 x Power Adapter
- 1 x VESA Mount with Screws
- 1 x HDMI Cable
- 1 x User Manual

Figure 3.1: Retail boxed packaging showing the Mini PC, power adapter, VESA mount, HDMI cable, user manual, and warranty card.
4. Product Overview (Features)
4.1. Processor and Performance
The GMKtec Mini PC is powered by the 12th Gen Intel Alder Lake N100 processor, featuring 4 Cores and 4 Threads with a 6MB cache, capable of burst speeds up to 3.4GHz. This processor offers improved performance and energy efficiency compared to previous generations, making it suitable for daily computing tasks, office applications, and home entertainment.

Figure 4.1.1: Overview of the Intel 12th Gen Alder Lake N100 processor, highlighting its specifications and performance improvements.
4.2. Memory and Storage
The Mini PC comes pre-installed with 8GB of DDR4 RAM (2933 MHz, expandable up to 32GB) and a 512GB M.2 2242 SSD. It also supports M.2 NVMe PCIe 3.0 2280 SSD (max 2TB) and M.2 2242 SATA for additional storage expansion.

Figure 4.2.1: Exploded view of the Mini PC showcasing the DDR4 RAM, M.2 2280 SSD, and M.2 2242 SATA expansion slot.
4.3. Connectivity
Equipped with WiFi 6 (802.11ax) for high-speed wireless internet up to 600Mbps and Bluetooth 5.2 for connecting peripherals like mice, keyboards, and other devices. It also features a 2.5G Gigabit Ethernet RJ45 port for stable wired network connections.

Figure 4.3.1: Illustration of the Mini PC's WiFi 6 and Bluetooth 5.2 capabilities, showing faster speeds and lower latency compared to previous standards.

Figure 4.3.2: Visual representation of the 2.5G high-speed Ethernet port, demonstrating faster read-write and transmission speeds.
4.4. Ports and Interfaces
The Mini PC offers a rich set of ports for versatile connectivity:
- 4 x USB 3.2 ports (up to 5Gbps/S)
- 2 x HDMI 2.0 ports (4K@60Hz support)
- 1 x 3.5mm Audio Jack
- 1 x RJ45 2.5G Gigabit Ethernet port
- 1 x DC 12V 3A Power Input
- 1 x Kensington Lock slot

Figure 4.4.1: Detailed view of the Mini PC's front and rear interfaces, including USB, HDMI, LAN, audio, and power ports.
4.5. Dual Screen Display
With two HDMI 2.0 ports, the Mini PC supports dual 4K@60Hz display output, allowing for efficient multi-tasking and an immersive viewing experience for home theater or professional use.

Figure 4.5.1: The Mini PC supporting a dual 4K monitor setup for enhanced productivity and entertainment.
4.6. Cooling System
The device incorporates a quiet cooling fan with twin turbo copper pipes and side air cooling vents to effectively dissipate heat, ensuring stable and reliable performance even under load.

Figure 4.6.1: Illustration of the quiet cooling fan and copper pipes designed for efficient heat dissipation within the Mini PC.
4.7. Compact Design and VESA Mount
The GMKtec Mini PC features a micro-size design, making it highly portable and space-saving. It is approximately 45% smaller than traditional mini PCs. A VESA mount is included, allowing you to attach the PC to the back of a monitor or a wall for a clutter-free workspace.

Figure 4.7.1: Size comparison of the GMKtec Mini PC next to a smartphone, demonstrating its compact form factor.
Video 4.7.1: An overview of the GMKtec Mini PC, showcasing its compact design, various ports, internal components, and the included VESA mount for space-saving installation.
5. Setup Guide
Follow these steps for initial setup of your GMKtec Mini PC:
- Connect to a Display: Connect one or two monitors to the HDMI ports on the back of the Mini PC using the provided HDMI cable(s).
- Connect Peripherals: Plug in your USB keyboard and mouse into the available USB 3.2 ports.
- Connect to Network (Optional): For a wired connection, connect an Ethernet cable from your router or modem to the RJ45 port. For wireless, you can configure Wi-Fi after initial boot.
- Connect Power: Plug the power adapter into the DC 12V 3A port on the Mini PC, then plug the adapter into a power outlet.
- Power On: Press the power button on the front of the Mini PC. The power indicator light will illuminate.
- Initial Windows Setup: Follow the on-screen instructions to complete the Windows 11 Pro setup, including language, region, network connection, and user account creation.
6. Operating Instructions
Your GMKtec Mini PC runs on Windows 11 Pro, offering a familiar user experience. Here are some basic operating tips:
- Power On/Off: Press the power button once to turn on. To shut down, click the Start button, then Power > Shut down. A short press of the power button can also put the PC to sleep.
- Restart: To restart the system, click the Start button, then Power > Restart.
- Connecting to Wi-Fi: After booting, click the network icon in the taskbar, select your Wi-Fi network, enter the password, and connect.
- Using Multiple Displays: Once both monitors are connected, Windows should automatically detect them. You can configure display settings (extend, duplicate, etc.) by right-clicking on the desktop and selecting "Display settings".
- USB Devices: Simply plug in your USB devices (external hard drives, flash drives, printers, etc.) into the available USB ports. Windows will typically install necessary drivers automatically.
- Audio: Connect speakers or headphones to the 3.5mm audio jack or use HDMI for audio output to your monitor/TV. Adjust volume via the Windows taskbar.

Figure 6.1: The Mini PC's capability to handle various software applications simultaneously, including office, rendering, design, gaming, and video editing.
7. Maintenance
Regular maintenance helps ensure optimal performance and longevity of your Mini PC:
- Keep it Clean: Regularly wipe the exterior with a soft, dry cloth. Use compressed air to gently clear dust from the ventilation holes.
- Software Updates: Keep your Windows operating system and drivers updated to the latest versions for security and performance improvements.
- Avoid Overheating: Ensure the Mini PC is placed in a well-ventilated area. Do not cover the vents.
- Safe Shutdown: Always shut down the system properly through the operating system to prevent data corruption.
- Data Backup: Regularly back up important data to an external drive or cloud storage.
8. Troubleshooting
Here are solutions to common issues you might encounter:
| Issue | Possible Cause / Solution |
|---|---|
| No display on monitor. |
|
| PC does not power on. |
|
| No Wi-Fi connection. |
|
| Slow performance. |
|
9. Specifications
| Feature | Detail |
|---|---|
| Brand | GMKtec |
| Series | G3 |
| Model Number | G3 |
| Processor | Intel Alder Lake N100 (3.4 GHz max burst) |
| RAM | 8 GB DDR4 (2933 MHz, expandable to 32GB) |
| Hard Drive | 512 GB M.2 SSD (PCIe x 16) |
| Graphics Coprocessor | Intel UHD Graphics 630 (max 750MHz) |
| Operating System | Windows 11 Pro |
| Screen Resolution Support | 4096 x 2160 (4K@60Hz) |
| Wireless Type | WiFi 6 (802.11ax), Bluetooth 5.2 |
| Ethernet | RJ45 2.5G Gigabit Network |
| USB Ports | 4 x USB 3.2 |
| HDMI Ports | 2 x HDMI 2.0 |
| Audio Jack | 1 x 3.5mm Audio Jack |
| Item Weight | 9.3 ounces (approx. 264 grams) |
| Product Dimensions | 4.17 x 1.67 x 4.48 inches (approx. 10.6 x 4.2 x 11.4 cm) |
| Color | Black (or Lush Green as depicted) |
| Additional Features | Wake On LAN, PXE Boot, RTC Wake, Auto Power On, VESA Mount Support |
10. Warranty & Support
GMKtec is committed to providing high-quality products and excellent customer service. Your Mini PC comes with comprehensive support:
- Warranty: Please refer to the warranty card included in your package for specific warranty terms and duration.
- Technical Support: GMKtec offers lifetime technical support for its products.
- Contact Us:
- For Amazon-related inquiries, log in to your Amazon account, go to "Your Orders," and select "Ask Product Question."
- For after-sales support, you can send an email to support@gmktec.com.

Figure 10.1: Overview of GMKtec's warranty and support options, including Amazon support and direct email for after-sales service.





