1. Introducció
This manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your GEEKOM GT12 Pro Mini PC. Designed for high performance in a compact form factor, the GT12 Pro is equipped with a 12th Gen Intel i9-12900H processor, 32GB DDR4 RAM, and a 1TB M.2 2280 NVMe Gen4*4 SSD, running Windows 11 Pro. It supports advanced connectivity including Wi-Fi 6E, Bluetooth 5.2, USB 4.0, 2.5G LAN, and up to 8K display output.

Figure 1: GEEKOM GT12 Pro Mini PC, front and side view, espectacleasinel seu disseny compacte i els seus diversos ports.
2. Què hi ha a la caixa
Verifiqueu que tots els elements siguin presents al paquet:
- 1 x GT12 Pro Mini PC
- 1 x cable HDMI
- 1 x Muntatge VESA
- 1 x adaptador de corrent
- 1 x Guia d'usuari

Figure 2: All components included in the GEEKOM GT12 Pro Mini PC package, neatly arranged.
3. Producte acabatview i Ports
The GEEKOM GT12 Pro features a variety of ports for extensive connectivity. Familiarize yourself with the port layout for optimal setup.

Figure 3: Detailed diagram illustrating the multiple ports available on the GEEKOM GT12 Pro Mini PC, including USB, HDMI, LAN, and audio jacks.
- Ports frontals: Power Button, 3.5mm Audio Jack, 2 x USB 3.2 Gen 2 Type-A ports, SD Card Reader.
- Ports posteriors: DC In, 2.5GbE LAN, 1 x USB 2.0 Type-A, 1 x USB 3.2 Gen 2 Type-A, 2 x HDMI 2.0 (4K@60Hz), 2 x USB 4 Gen3 Type-C (8K@30Hz).
4. Configuració
4.1 Connexió de perifèrics
- Connect your monitor(s) to the HDMI 2.0 or USB 4.0 ports using appropriate cables. The GT12 Pro supports up to four displays simultaneously, with resolutions up to 8K.
- Connect your keyboard and mouse to the available USB Type-A ports.
- For wired network access, connect an Ethernet cable to the 2.5GbE LAN port. For wireless, ensure your Wi-Fi 6E network is available.
- If using external audio devices, connect them to the 3.5mm audio jack or via Bluetooth 5.2.
4.2 Encès
- Connect the power adapter to the DC In port on the Mini PC and then plug it into a power outlet.
- Press the Power Button located on the front of the Mini PC. The power indicator light will illuminate.
- Seguiu les instruccions que apareixen a la pantalla per completar la configuració inicial del Windows 11 Pro.
Vídeo 1: Un overview of the GEEKOM GT12 Pro Mini PC, demonstrating its compact size and ease of integration into a workspace.
5. Instruccions de funcionament
5.1 Ús general
The GEEKOM GT12 Pro runs on Windows 11 Pro, providing a familiar and intuitive operating environment. Utilize the powerful Intel i9-12900H processor for demanding tasks such as 4K video editing, graphic design, business applications, and gaming.

Figure 4: Summary of key features including Intel Core i9-12900H, Iris Xe Graphics, Quad Screen support up to 8K, 64GB RAM, 2TB SSD, Wi-Fi 6E, Bluetooth 5.2, 2.5Gbps LAN, compact size, and Windows 11 Pro.
5.2 Suport de pantalla múltiple
Connect up to four monitors simultaneously using the HDMI 2.0 and USB 4.0 ports. This allows for an expansive workspace, ideal for multitasking, content creation, or immersive entertainment. The Intel Iris Xe Graphics ensures high-quality visual output up to 8K resolution.

Figure 5: The GEEKOM GT12 Pro connected to four monitors, demonstrating its quad display capabilities for design, gaming, movies, and office work.
5.3 Network and Wireless Connectivity
The GT12 Pro supports advanced network options:
- Wi-Fi 6E: Provides faster wireless speeds, wider bandwidth, and reduced latency for seamless browsing, streaming, and downloading.
- 2.5G RJ45 LAN: Offers a high-speed wired connection for stable and rapid data transfer.
- Bluetooth 5.2: Connect wireless peripherals such as keyboards, mice, and audio devices for a clutter-free setup.

Figure 6: Illustration highlighting the fast network capabilities of the GEEKOM GT12 Pro, including Wi-Fi 6E, Bluetooth 5.2, and 2.5G LAN.
5.4 USB 4.0 Functionality
The USB 4.0 ports offer high-speed data transfer up to 40Gbps, which is 10 times faster than USB 3.0. These ports also support 8K display output and Power Delivery (PD) up to 15W, allowing for versatile connectivity with modern devices.

Figure 7: Visual representation of the full-function USB4 ports on the GEEKOM GT12 Pro, emphasizing 40Gbps speed and 8K display support.
Video 2: A dynamic presentation of the GEEKOM GT12 Pro Mini PC, highlighting its gaming capabilities and advanced features like Intel Iris Xe Graphics and 8K theater support.
6. Manteniment
6.1 Neteja
To ensure optimal performance and longevity, regularly clean your Mini PC. Use a soft, dry cloth to wipe the exterior. For vents, use compressed air to remove dust buildup. Avoid using liquid cleaners directly on the device.
6.2 Sistema de refrigeració
The GT12 Pro incorporates GEEKOM's independently developed IceBlast 1.5 Cooling System, designed for efficient heat dissipation and quiet operation. Ensure the vents are not obstructed to maintain proper airflow.

Figure 8: Diagram illustrating the high-efficiency and low-noise IceBlast 1.5 Cooling System within the GEEKOM GT12 Pro, showing airflow paths.
6.3 Actualitzacions de programari
Regularly update your Windows 11 Pro operating system and drivers to ensure security, stability, and optimal performance. Access Windows Update through the Settings menu.
7. Solució De Problemes
If you encounter issues with your GEEKOM GT12 Pro, refer to the following common solutions:
- Sense energia: Assegureu-vos que l'adaptador de corrent estigui connectat correctament tant al Mini PC com a una presa de corrent que funcioni. Proveu una presa diferent si cal.
- Sense pantalla: Verify that the monitor is powered on and correctly connected to the Mini PC via HDMI or USB 4.0. Try a different cable or monitor if possible. Ensure the correct input source is selected on your monitor.
- Problemes de connectivitat de xarxa: For wired connections, check the Ethernet cable and router status. For Wi-Fi, ensure Wi-Fi is enabled in Windows settings and you are connected to the correct network. Restart your router and the Mini PC.
- Perifèric no detectat: Ensure USB devices are properly inserted. Try connecting them to a different USB port. Update or reinstall device drivers if needed.
- Alentiment del sistema: Check for background applications consuming high resources. Ensure sufficient free storage space. Run a system scan for malware.
For persistent issues, refer to the Warranty and Support section for contact options.
8. Especificacions
| Característica | Especificació |
|---|---|
| Processador | Intel Core i9-12900H (14 Cores/20 Threads, up to 5.0 GHz, 24MB Cache) |
| Gràfics | Intel Iris Xe Graphics (up to 1.45 GHz) |
| RAM | 32GB Dual-Channel DDR4 SDRAM (3200 MHz), expandable up to 64GB |
| Emmagatzematge | 1TB M.2 2280 PCIe Gen4*4 SSD; 1 x M.2 2242 SATA SSD slot (expandable up to 1TB) |
| Sistema operatiu | Windows 11 Pro |
| Connectivitat sense fil | Wi-Fi 6E, Bluetooth 5.2 |
| LAN | 2.5GbE RJ45 LAN |
| Sortida de vídeo | 2 x HDMI 2.0 (4K@60Hz), 2 x USB 4.0 (8K@30Hz) - Supports 4 displays |
| Ports USB | 3 x USB 3.2 Gen 2 Type-A, 1 x USB 2.0 Type-A, 2 x USB 4.0 Type-C |
| Altres ports | 3.5mm Audio Jack, SD Card Reader, DC In |
| Dimensions (LxWxH) | 8.94 x 6.93 x 5.28 polzades |
| Pes | 3.19 lliures |

Figure 9: Detailed dimensions of the GEEKOM GT12 Pro Mini PC, showing its compact footprint.
9. Garantia i Suport
GEEKOM provides a 3-Year limited warranty for the GT12 Pro Mini PC, ensuring peace of mind and support for your product. For any pre-sale or after-sale assistance, please use the following contact methods:

Figure 10: GEEKOM's 3-Year Manufacturer Protection badge, indicating product warranty.
- Find the Seller on Amazon: Log into your Amazon buyer's account, find your order, and click 'Get help' for product support.
- Email After-sales Team: Podeu enviar un correu electrònic a shirley.li@geekom.tw. The team will respond as soon as possible.

Figure 11: GEEKOM's warranty and support contact options, including email and Amazon seller page.





