1. Introducció
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your GMKtec Mini PC G3S. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.

Figure 1: GMKtec Mini PC G3S, showcasinel seu disseny compacte i els seus diversos ports.
2. Contingut del paquet
Verifiqueu que tots els elements que s'enumeren a continuació siguin presents a l'embalatge del producte:
- GMKtec Nucbox G3 S Mini PC (16GB RAM, 512GB SSD)
- Muntatge VESA amb cargols
- Cable HDMI
- Adaptador d'alimentació
- Manual d'usuari

Figure 2: All components included in the GMKtec Mini PC G3S retail packaging.
3. Physical Features and Ports
The GMKtec Mini PC G3S is designed with a variety of ports for versatile connectivity:
- Panell frontal: Power Button, 2x USB 3.2 (Gen 2) ports.
- Tauler lateral: Kensington Lock slot, Micro SD Card Reader.
- Panell posterior: 2x HDMI 2.0 ports (4K@60Hz support), 1x USB 2.0 port, 1x USB 3.2 (Gen 2) port, 1x Gigabit Ethernet (RJ45 1000MbE) port, 1x 3.5mm Audio Jack, DC 12V 3A Power Input.

Figura 3: Detallada view of the front and rear ports on the GMKtec Mini PC G3S.
4. Guia de configuració
Follow these steps for initial setup of your Mini PC:
- Connecteu els perifèrics: Connect your monitor(s) to the HDMI ports using the provided HDMI cable. Connect a USB keyboard and mouse to the available USB ports.
- Connexió d'alimentació: Connect the power adapter to the DC 12V 3A input port on the rear of the Mini PC, then plug the adapter into a power outlet.
- Encès: Press the power button located on the front panel of the Mini PC. The power indicator light will illuminate.
- Arrencada inicial: The system will boot into Windows 11 Pro. Follow the on-screen instructions to complete the initial Windows setup, including language, region, network connection, and user account creation.
- VESA Mount Installation (Optional): If desired, attach the VESA mount to the back of a compatible monitor using the provided screws, then secure the Mini PC to the VESA mount. This allows for a clutter-free desktop setup.

Figure 4: The GMKtec Mini PC G3S demonstrating VESA mount compatibility and compact desk placement.
5. Funcionament
5.1. Dual 4K Display Support
The Mini PC G3S supports dual 4K@60Hz displays via its two HDMI 2.0 outputs. This allows for extended desktop environments, enhancing productivity for multitasking.

Figure 5: The Mini PC G3S powering a dual 4K display setup for enhanced workspace.
5.2. Network and Wireless Connectivity
El dispositiu ofereix opcions de connectivitat robustes:
- Amb cable: Gigabit Ethernet (RJ45 1000MbE) for stable and high-speed internet access.
- Sense fil: Integrated WiFi 5 (802.11ac) for wireless internet and Bluetooth 5.0 for connecting wireless peripherals.
5.3. Modes de rendiment
The Mini PC G3S features adjustable performance modes to suit different usage scenarios. These modes can be accessed and configured via the BIOS settings:
- Mode silenciós: Optimized for minimal fan noise, suitable for light tasks and quiet environments.
- Mode normal (per defecte): Balanced performance for everyday computing.
- Mode de rendiment: Maximizes CPU and GPU performance for demanding applications.
To adjust modes, press the Esc key during boot-up to enter the BIOS page, then navigate to BIOS Setup to select your preferred mode.

Figure 6: Illustration of the three performance modes and the BIOS entry screen.
6. Ampliació d'emmagatzematge
The GMKtec Mini PC G3S comes with a 512GB M.2 2242 SSD and 16GB DDR4 RAM. For additional storage, the device supports expansion:
- M.2 2280 PCIe: Expandable up to 8TB.
- M.2 2242 SATA: Expandable up to 2TB.
Consult a qualified technician for storage upgrades to ensure proper installation and avoid damage to the device.

Figura 7: Intern view illustrating the RAM and dual SSD slots for storage expansion.
7. Especificacions tècniques
| Característica | Especificació |
|---|---|
| Processador | 12th Gen Intel N95 (up to 3.4GHz, 4 Cores/4 Threads, 6MB Cache) |
| Gràfics | Intel UHD Graphics (up to 1200MHz) |
| RAM | 16 GB de memòria DDR4 SO-DIMM |
| Emmagatzematge | 512GB M.2 2242 SATA SSD |
| Ampliació d'emmagatzematge | 1x M.2 2280 PCIe Gen3*2 (Max 8TB), 1x M.2 2242 SATA (Max 2TB) |
| Sortida de vídeo | 2x HDMI 2.0 (4K@60Hz) |
| Ports USB | 3x USB 3.2 (Gen 2), 1x USB 2.0 |
| Xarxa | Gigabit Ethernet (RJ45 1000MbE), WiFi 5 (802.11ac), Bluetooth 5.0 |
| Sistema operatiu | Windows 11 Pro |
| Dimensions | Aproximadament 6.46 x 6.3 x 4.21 polzades |
| Pes | Aproximadament 2.07 lliures |
8. Manteniment
To ensure the longevity and optimal performance of your GMKtec Mini PC G3S, follow these maintenance guidelines:
- Neteja: Regularly clean the exterior of the Mini PC with a soft, dry cloth. Use compressed air to clear dust from ventilation grilles to prevent overheating. Ensure the device is powered off and unplugged before cleaning.
- Actualitzacions de programari: Keep your operating system and drivers updated to the latest versions. This improves security, stability, and performance.
- Ventilació: Ensure the Mini PC is placed in a well-ventilated area and that its vents are not obstructed. Proper airflow is crucial for heat dissipation.
- Font d'alimentació: Feu servir només l'adaptador de corrent original que s'inclou amb el dispositiu.
9. Solució De Problemes
If you encounter issues with your Mini PC, refer to the following common solutions:
- Sense pantalla:
- Ensure the monitor is powered on and correctly connected to the Mini PC via HDMI.
- Verifiqueu que la font d'entrada correcta estigui seleccionada al monitor.
- Prova un altre cable HDMI o monitor si estàs disponible.
- Sense energia:
- Check that the power adapter is securely connected to both the Mini PC and a working power outlet.
- Assegureu-vos que el botó d'encesa estigui premut amb fermesa.
- Problemes de connectivitat de xarxa:
- For wired connections, ensure the Ethernet cable is properly connected and the router is functioning.
- For Wi-Fi, check that Wi-Fi is enabled in Windows settings and you are connected to the correct network with the correct password.
- Reinicieu el vostre encaminador/mòdem i el mini PC.
- Rendiment lent:
- Tanca les aplicacions innecessàries que s'executen en segon pla.
- Ensure the system is updated and free of malware.
- Consider switching to 'Performance Mode' in BIOS settings if sustained high performance is required.
If problems persist, please contact GMKtec customer support.
10. Garantia i Suport
GMKtec offers a Garantia limitada d'1 any for each Mini PC, effective from the date of purchase. This warranty covers defects due to design and workmanship. For any issues or inquiries, please utilize the following support channels:
- Atenció al client d'Amazon: Log in to your Amazon account, navigate to 'Your Orders', and select 'Ask Product Question' for assistance.
- GMKtec After-Sales Team: Contact support directly via email at support@gmktec.com.
- 24/7 Client Support: GMKtec provides continuous client support for your convenience.

Figura 8: Mésview of available customer support options for GMKtec products.
Vídeo oficial del producte
Vídeo 1: Un producte oficial acabatview of the GMKtec Mini PC G3S, highlighting its features and capabilities.





