1. Úvod
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your GMKtec NucBox M3 Plus Mini PC. Please read it thoroughly before using the device to ensure optimal performance and longevity.
Obsah balení
- GMKtec NucBox M3 Plus Mini PC x 1
- Napájecí adaptér x 1
- Kabel HDMI x 1
- VESA Mount with Screws x 1
- Návod k použití x 1

The package includes all necessary components to get your mini PC up and running. Ensure all items are present before proceeding with the setup.
2. Konec produktuview a funkce
The GMKtec NucBox M3 Plus is a high-performance mini PC designed for various applications, from gaming and multimedia to business and programming. It features the latest 12th Gen Intel Core i9-12900HK processor, offering significant performance improvements over previous generations.
Klíčové vlastnosti:
- Procesor: Intel Core i9-12900HK (14 Cores, 20 Threads, up to 5.0 GHz)
- Paměť: 16 GB RAM DDR4 (rozšiřitelná až na 64 GB)
- Skladování: 1TB M.2 2280 PCIe 3.0 SSD (expandable up to 4TB)
- Grafika: Intel Iris Xe Graphics (integrated)
- Operační systém: Windows 11 Pro
- Konektivita: Wi-Fi 6, Bluetooth 5.2, 2.5G LAN
- Výstup displeje: Supports triple 4K@60Hz displays via 2x HDMI and 1x Type-C (DisplayPort)



3. Nastavení
Follow these steps to set up your GMKtec NucBox M3 Plus Mini PC for the first time.
Počáteční připojení:
- Připojení k displeji: Use the provided HDMI cable to connect the mini PC to your monitor or TV. You can use either of the two HDMI ports or a Type-C to DisplayPort cable for a third display.
- Připojení periferií: Plug in your USB keyboard and mouse into the available USB 3.2 or USB 2.0 ports.
- Internetové připojení: For wired internet, connect an Ethernet cable to the 2.5G LAN port. For wireless, ensure your Wi-Fi network is available during setup.
- Zapnutí: Connect the power adapter to the DC IN port on the mini PC, then plug the adapter into a power outlet. Press the power button on the front of the mini PC.

První spuštění a nastavení Windows:
Upon first boot, the system will guide you through the Windows 11 Pro setup process. Follow the on-screen prompts to configure language, region, network, and user accounts. This process may take several minutes.
Montáž držáku VESA:
The included VESA mount allows you to attach the mini PC to the back of a compatible monitor or TV, saving desk space. Secure the VESA bracket to your display's VESA mounting holes using the provided screws, then slide the mini PC onto the bracket until it clicks into place.

4. Provoz
Once set up, your GMKtec NucBox M3 Plus is ready for use. It operates like any standard Windows 11 Pro desktop computer.
Základní provoz:
- Zapnutí/vypnutí: Press the power button to turn the device on. To turn off, use the Windows Start menu (Power > Shut down) or press and hold the power button for a few seconds.
- Restartovat: Use the Windows Start menu (Power > Restart).
- Režim spánku: Use the Windows Start menu (Power > Sleep) or briefly press the power button.
Nastavení více displejů:
The NucBox M3 Plus supports up to three independent 4K@60Hz displays simultaneously, enhancing productivity and immersive experiences.
- Connect your displays to the available HDMI ports and the Type-C (DisplayPort) port.
- Once connected, Windows will automatically detect the displays.
- To configure display settings (e.g., extend, duplicate, resolution), right-click on the desktop and select "Display settings."

5. Údržba
Proper maintenance ensures the longevity and optimal performance of your mini PC.
Storage and RAM Upgrade:
The NucBox M3 Plus is designed for easy upgrades of its RAM and SSD. It supports up to 64GB DDR4 RAM and up to 4TB SSD storage.
- Ensure the device is powered off and unplugged from the power source.
- Carefully remove the bottom cover of the mini PC.
- Locate the M.2 2280 SSD slot and the DDR4 SO-DIMM slots.
- Install or replace the components as needed. Refer to the internal diagram for slot locations.
- Bezpečně znovu nasaďte spodní kryt.


Chladicí systém:
The mini PC features a twin cooling pipe turbofan system for efficient heat dissipation. Keep the air vents clear of obstructions to ensure proper airflow.

Čištění:
Regularly clean the exterior of the mini PC with a soft, dry cloth. Use compressed air to gently clear dust from the vents. Do not use liquid cleaners or abrasive materials.
6. Řešení problémů
This section addresses common issues you might encounter with your GMKtec NucBox M3 Plus.
Bez napájení/Žádný displej:
- Ujistěte se, že je napájecí adaptér bezpečně připojen k mini PC i k funkční zásuvce.
- Verify that the display cable (HDMI/Type-C) is firmly connected to both the mini PC and the monitor.
- Pokud je to možné, vyzkoušejte s jiným kabelem displeje nebo monitorem.
- Confirm the monitor is set to the correct input source.
Hlučnost ventilátoru:
- Under heavy load (e.g., gaming, intensive tasks), the fan speed will increase, leading to audible noise. This is normal operation.
- Ensure the mini PC is placed in a well-ventilated area and that its air vents are not obstructed.
- Clean dust from the vents regularly as described in the Maintenance section.
Nestabilita/pády systému:
- Ensure all drivers are up to date. You can check for updates through Windows Update or the GMKtec support webmísto.
- Run a system diagnostic to check for hardware issues.
- If issues persist, consider performing a Windows system restore or reinstallation.
Connectivity Issues (Wi-Fi/Bluetooth/LAN):
- For Wi-Fi/Bluetooth, ensure the antennas (if external) are properly connected and that the devices are within range of the router/peripheral.
- For LAN, check the Ethernet cable connection and your network router.
- Aktualizujte síťové ovladače.
7. Specifikace
| Funkce | Specifikace |
|---|---|
| Značka | GMKtec |
| Modelová řada | NucBox M3 Plus |
| Rozměry produktu | 11.4 x 10.6 x 4.2 cm |
| Hmotnost položky | 1.47 kg |
| Značka procesoru | Intel |
| Typ procesoru | Intel Core i9-12900HK |
| Rychlost procesoru | 5 GHz (Max Frequency) |
| Počet procesorů | 14 jader |
| Typ RAM | DDR4 SDRAM |
| Velikost nainstalované paměti RAM | 16 GB |
| Maximální podporovaná paměť | 64 GB |
| Velikost pevného disku | 1 TB |
| Typ pevného disku | SSD (M.2 2280 PCIe 3.0) |
| Grafický akcelerátor | Grafická karta Intel UHD Graphics 770 |
| Typ grafické karty | Integrovaný |
| Velikost VRAM | 16 GB (sdílené) |
| Konektivita | Bluetooth 5.2, Wi-Fi 6 (802.11ax), 2.5G Ethernet |
| Porty USB 2.0 | 1 |
| Porty USB 3.0 | 3 |
| HDMI porty | 2 |
| Porty typu C | 1 (podporuje DisplayPort 1.4) |
| Operační systém | Windows 11 Pro |
| Maximální rozlišení | 4096 x 2160 (4K) |
8. Záruka a podpora
GMKtec provides a one-year warranty service for this product. During the warranty period, if any malfunction occurs under normal use, the company will repair or replace the product.
Záruční krytí:
- Kryje vady materiálu a zpracování při běžném používání.
- Does not cover damage caused by misuse, accident, unauthorized modification, or external factors.
Zákaznická podpora:
For technical support, warranty claims, or any inquiries regarding your GMKtec NucBox M3 Plus, please contact GMKtec customer service. Refer to the contact information provided on the official GMKtec webwebu nebo v dokumentaci k nákupu.
Please have your product model number and purchase details ready when contacting support to facilitate a quicker resolution.





