GMKtec G5
GMKtec Nucbox G5 Mini PC User Manual
Model: G5
1. Introduction
This user manual provides comprehensive instructions for setting up, operating, and maintaining your GMKtec Nucbox G5 Mini PC. Please read this manual carefully before using the device to ensure optimal performance and longevity. The GMKtec Nucbox G5 is a compact and powerful micro desktop computer designed for various applications including business, education, and home entertainment.
2. Product Overview
2.1 Package Contents
Upon opening the package, verify that all items listed below are present and in good condition:
- 1 x GMKtec Nucbox G5 Mini PC
- 1 x Power Adapter (Type-C)
- 1 x User Manual

Figure 2.1: Retail Boxed Packaging showing the Nucbox G5 Mini PC, Type-C Power Supply, and User Manual.
2.2 Key Features
The GMKtec Nucbox G5 Mini PC is engineered with advanced components to deliver reliable performance in a compact form factor.
- Processor: Equipped with the latest Intel N97 Processor (Alder Lake), featuring 4 performance e-cores and clocking up to 3.6 GHz. This provides a significant performance increase over previous N-series processors.
- Graphics: Integrated Intel UHD Graphics 24 EUs 1.20GHz, supporting 4K UHD high-definition output at 4096 x 2160@60Hz for stunning visuals.
- Memory & Storage: Features 12GB DDR5 RAM and a 512GB M.2 2242 SATA SSD (expandable up to 2TB), ensuring fast read and write speeds and efficient multitasking.
- Connectivity: Comprehensive port selection including 3x USB 3.2, 2x HDMI, 1x Gigabit Ethernet Port, 1x 3.5mm Audio Jack, 1x Micro SD Card Slot, and 1x Type-C Power input. Supports WiFi 5 and Bluetooth 4.2 for fast wireless connections.
- Cooling System: Features a smart cooling fan designed for low noise and high performance, ensuring stable operation even under load.
- Operating System: Pre-installed with Windows 11 Pro.

Figure 2.2: Overview of key features including processor, memory, storage, and display capabilities.

Figure 2.3: Detailed view of the Nucbox G5's various ports and interfaces.

Figure 2.4: The compact and portable design of the Nucbox G5 Mini PC.

Figure 2.5: Strong LAN and wireless network support for reliable connectivity.

Figure 2.6: The Nucbox G5 supports dual HDMI 4K displays for enhanced productivity or entertainment.
2.3 Product Video Overview
Video 2.1: An official overview of the GMKtec Pock Mini PC Intel N97 Windows 11 Pro Nucbox G5, showcasing its features and compact design.
3. Setup
Follow these steps to set up your GMKtec Nucbox G5 Mini PC for the first time.
3.1 Connecting to Power
- Connect the Type-C end of the power adapter to the Type-C Power port on the Mini PC.
- Plug the power adapter into a standard electrical outlet.

Figure 3.1: The Nucbox G5 can be conveniently powered via its Type-C port, including with a portable power bank (12V/3A 36W suggested).
3.2 Connecting Peripherals
- Display: Connect your monitor(s) to the HDMI ports on the Mini PC using HDMI cables. The device supports dual 4K displays.
- Keyboard & Mouse: Connect your USB keyboard and mouse to the available USB 3.2 ports. Wireless peripherals can be connected via Bluetooth 4.2 or a USB dongle.
- Network: For a wired connection, connect an Ethernet cable from your router to the Gigabit Ethernet port on the Mini PC. For wireless, ensure WiFi is enabled in the operating system.
- Audio: Connect speakers or headphones to the 3.5mm audio jack if needed.

Figure 3.2: The Nucbox G5 supports multi-device connections for a versatile computing experience.
3.3 First Boot and Operating System Setup
- Press the power button on the front of the Mini PC. The power indicator light will illuminate.
- The device comes pre-installed with Windows 11 Pro. Follow the on-screen instructions to complete the initial Windows setup, including language, region, network connection, and user account creation.
- Ensure your internet connection is active during setup to download necessary updates.
4. Operating Instructions
This section covers basic operation and tips for using your GMKtec Nucbox G5 Mini PC.
4.1 Power On/Off
- Power On: Press the power button on the front of the unit.
- Power Off: To shut down, click the Windows Start button, then select Power > Shut down. Do not unplug the power adapter directly without proper shutdown to prevent data loss or system damage.
- Restart: To restart, click the Windows Start button, then select Power > Restart.
- Sleep: To put the PC to sleep, click the Windows Start button, then select Power > Sleep.
4.2 BIOS Settings and Advanced Features
The Nucbox G5 mini desktop PC allows setting BIOS options such as Auto Power On and Wake on LAN. To access the BIOS, press the DEL key repeatedly during startup immediately after pressing the power button.
- Auto Power On: Configure the system to automatically power on at a scheduled time.
- Wake on LAN (WoL): Enable the ability to power on the PC remotely over a network connection.
- LED Color: The LED lighting on the unit can be customized from within the BIOS settings.
4.3 Optimal Performance Tips
- Keep the operating system and drivers updated.
- Avoid blocking the ventilation openings to ensure proper airflow for the cooling fan.
- Regularly clean temporary files and optimize disk space.
- Consider using an external hard drive for large files to preserve SSD space.
5. Maintenance
Proper maintenance helps extend the lifespan of your Mini PC.
- Cleaning: Use a soft, dry cloth to wipe the exterior of the device. For dust in vents, use compressed air. Ensure the device is powered off and unplugged before cleaning.
- Software Updates: Regularly check for and install Windows updates and driver updates to ensure system stability and security.
- Storage Management: Periodically review your installed applications and files. Uninstall unused programs and delete unnecessary files to free up storage space.
- Environmental Conditions: Operate the Mini PC in a well-ventilated area, away from direct sunlight, excessive heat, and moisture.
6. Troubleshooting
This section addresses common issues you might encounter and provides solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/Device does not turn on. | Power adapter not connected properly; Power outlet issue; Faulty power adapter. | Ensure the power adapter is securely connected to both the PC and the outlet. Try a different power outlet. Verify the power adapter is functioning correctly. |
| No display on monitor. | HDMI cable loose or faulty; Incorrect input source on monitor; Monitor not powered on. | Check HDMI cable connections. Ensure the monitor is set to the correct input source (e.g., HDMI 1, HDMI 2). Power cycle the monitor. |
| Slow performance. | Too many applications running; Insufficient free storage; Overheating. | Close unnecessary applications. Free up disk space. Ensure proper ventilation and check for excessive fan noise. |
| Wi-Fi or Bluetooth not working. | Drivers not installed or corrupted; Wireless features disabled. | Check Device Manager for driver issues and update if necessary. Ensure Wi-Fi/Bluetooth is enabled in Windows settings. |
If the problem persists after trying these solutions, please contact GMKtec customer support.
7. Specifications
Detailed technical specifications for the GMKtec Nucbox G5 Mini PC.
| Feature | Detail |
|---|---|
| Processor | Intel N97 (up to 3.60GHz), 4 Cores |
| Graphics | Intel UHD Graphics 24 EUs 1.20GHz (Integrated) |
| RAM | 12GB DDR5 (4800MHz) |
| Storage | 512GB M.2 2242 SATA SSD (Max 2TB) |
| Operating System | Windows 11 Pro |
| Video Output | 2 x HDMI (4K@60Hz) |
| USB Ports | 3 x USB 3.2 |
| Network | 1 x Gigabit Ethernet (RJ45), WiFi 5 (802.11ac), Bluetooth 4.2 |
| Audio | 1 x 3.5mm Audio Jack |
| Card Slot | 1 x Micro SD Card Slot |
| Power Input | Type-C (12V/3A) |
| Dimensions (LxWxH) | 6 x 4.5 x 2.5 inches (approx. 7.2 x 7.2 x 4.4 cm) |
| Weight | 1.2 pounds (approx. 0.54 kg) |
8. Warranty and Support
GMKtec offers comprehensive support for your Nucbox G5 Mini PC.
- Warranty: GMKtec provides a 1-year limited warranty for each Mini PC, effective from the date of purchase. This warranty covers defects due to design and workmanship.
- Technical Support: For any technical assistance or inquiries, please contact the GMKtec after-sales team.
- Contact Information:
- Email: support@gmktec.com (24/7 Customer Support)
- Amazon Support: Log in to your Amazon account, navigate to "Your Orders," and select "Ask Product Question" for direct assistance.
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