Introdución
This user manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your GMKtec M3 Ultra Mini PC. Please read this manual carefully before using the device to ensure optimal performance and longevity. The GMKtec M3 Ultra is a high-performance mini desktop computer designed for various applications, from everyday computing to demanding professional tasks, featuring an Intel Core i9 12900HK processor, Intel Iris Xe Graphics, and extensive connectivity options.
O que hai na caixa
Ao abrir o paquete, comproba que inclúa todos os seguintes elementos:
- GMKtec Nucbox M3 Plus Intel Core i9 12900HK Mini PC Computer
- Power Supply & Cable
- Cable HDMI
- VESA Mount and Screws
- Manual de usuario (este documento)
Guía de configuración
Follow these steps to set up your GMKtec M3 Ultra Mini PC:
- Conectar periféricos: Connect your monitor(s) to the HDMI ports or the USB-C (DP1.4) port. Connect your keyboard and mouse to the available USB ports.
- Conectar á enerxía: Plug the power supply cable into the DC-in port on the Mini PC, then plug the power adapter into a wall outlet.
- Encendido: Prema o botón de acendido situado na parte frontal do Mini PC. A luz indicadora de acendido acenderase.
- Initial Operating System Setup: The Mini PC comes with OS Pro pre-installed. Follow the on-screen instructions to complete the initial setup, including language selection, network connection, and user account creation.
- Conexión de rede: For wired connection, connect an Ethernet cable to the 2.5GbE LAN port. For wireless connection, select your Wi-Fi network during the OS setup or via the operating system's network settings.

This image displays the GMKtec M3 Ultra Mini PC from a slightly elevated front-right angle. The device is a compact, rectangular black unit with a glossy top surface featuring the 'GMKtec' logo. The front panel shows two blue USB 3.0 ports and a circular green power button. The left side of the unit has ventilation grilles.
Instrucións de funcionamento
Operación básica
- Encendido/apagado: Press the power button to turn the PC on. To turn off, use the operating system's shutdown function or press and hold the power button for 5 seconds for a forced shutdown (not recommended for regular use).
- Reiniciar: Usa a función de reinicio do sistema operativo.
- Modo de suspensión: Use the operating system's sleep function to put the PC into a low-power state.
Conectividade
- Wi-Fi 6: Connect to high-speed wireless networks for fast internet access and low latency.
- Bluetooth 5.2: Pair with Bluetooth-enabled devices such as headphones, speakers, and input devices.
- Rede local de 2.5 GbE: Utilize the 2.5 Gigabit Ethernet port for ultra-fast wired network connections, ideal for large data transfers and online gaming.
- Portos USB: The Mini PC features multiple USB 3.0 ports and a USB 2.0 port for connecting various peripherals and external storage devices.
- USB-C (DP1.4/DATA): This versatile port supports DisplayPort 1.4 for video output and data transfer.
Configuración de visualización
The GMKtec M3 Ultra supports up to three 4K displays simultaneously. Connect your monitors using the dual HDMI ports and the USB-C (DP1.4) port. Configure display settings through your operating system's display preferences to extend or duplicate your desktop.
Ampliación de almacenamento
The Mini PC comes with a 1TB M.2 PCIe 2280 SSD. For additional storage, it supports expansion up to 4TB. Furthermore, there is support for a second M.2 SATA/PCIEX4 2242 drive, also expandable up to 4TB. Refer to the detailed hardware upgrade guide (if provided separately) for instructions on installing additional storage.
Mantemento
Proper maintenance ensures the longevity and optimal performance of your Mini PC:
- Limpeza: Regularly clean the exterior of the Mini PC with a soft, dry cloth. Use compressed air to clear dust from the ventilation grilles to prevent overheating. Ensure the device is powered off and unplugged before cleaning.
- Ventilación: Ensure the Mini PC is placed in a well-ventilated area. Do not block the air vents.
- Actualizacións de software: Keep your operating system and drivers updated to the latest versions to ensure security, stability, and performance.
- Condicións ambientais: Avoid exposing the Mini PC to extreme temperatures, humidity, or direct sunlight.
Resolución de problemas
Esta sección aborda problemas comúns cos que podes atoparte:
- Sen enerxía:
- Asegúrate de que o adaptador de corrente estea conectado correctamente tanto ao Mini PC como a unha toma de corrente que funcione.
- Verifica que a toma de corrente funcione conectando outro dispositivo.
- Comprobe se o botón de acendido está completamente premido.
- Sen saída de visualización:
- Confirm that the HDMI or USB-C cable is securely connected to both the Mini PC and the monitor.
- Ensure the monitor is powered on and set to the correct input source (HDMI 1, HDMI 2, USB-C, etc.).
- Try connecting to a different monitor or using a different cable to rule out faulty equipment.
- No Network Connection (Wired/Wireless):
- Para a conexión por cable, comprobe o cable Ethernet e o estado do enrutador/módem.
- For wireless connection, ensure Wi-Fi is enabled in the operating system and you are connected to the correct network with the correct password.
- Reinicie o seu enrutador/módem e o mini PC.
- Rendemento lento:
- Pecha as aplicacións innecesarias que se executan en segundo plano.
- Comprobe se hai espazo de almacenamento libre suficiente no seu SSD.
- Ensure the Mini PC is well-ventilated and not overheating.
- Actualizar os controladores e o sistema operativo.
If you encounter issues not covered here, please refer to the Warranty and Support section for further assistance.
Especificacións
| Característica | Detalle |
|---|---|
| Procesador | Intel Core i9 12900HK (14 Cores/20 Threads, up to 5.0 GHz) |
| Gráficos | Gráficos Intel Iris Xe (ata 1.45 GHz) |
| RAM | 32GB DDR4 (Dual Channel, expandable up to 64GB) |
| Almacenamento | 1TB M.2 PCIe 2280 SSD (expandable up to 4TB) |
| Ranura de almacenamento adicional | M.2 SATA/PCIEX4 2242 (expandable up to 4TB) |
| Mostrar saída | Triple 4K Display (2x HDMI, 1x USB-C DP1.4) |
| LAN | 2.5GbE (Intel Ethernet Controller I226-V) |
| Conectividade sen fíos | Wi-Fi 6, Bluetooth 5.2 |
| Portos USB | 3x USB 3.0, 1x USB 2.0, 1x USB Type-C (Power & Data Transfer) |
| Sistema Operativo | OS Pro |
| Dimensións (LxWxH) | 4.5 x 4.2 x 1.7 polgadas |
| Peso | 3.2 libras |
Garantía e Soporte
GMKtec offers a 1 ano de garantía limitada for each Mini PC, effective from the date of purchase. This warranty covers all defects due to design and workmanship. For any queries, concerns, or technical support, please contact GMKtec's professional after-sales team. You can typically find contact information on the official GMKtec websitio web ou a través da túa plataforma de compra.
For the most up-to-date support information, please visit the official GMKtec websitio: GMKtec Official Store





