1. Introduction
The AOOSTAR GT68 Mini PC is a compact and powerful computing solution designed for demanding tasks such as gaming, AI development, and video editing. Featuring an AMD Ryzen 7 PRO 6850H processor, high-frequency LPDDR5 memory, and advanced cooling, it offers robust performance in a small form factor. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your GT68 Mini PC.
Video: AOOSTAR GT68 Mini PC Product Overview and Features.
2. Package Contents
Please check the box for the following items:
- GT68 Mini PC
- Power Adapter
- VESA Mount & Screws
- User Manual (this document)
3. Setup Instructions
3.1 Connecting Peripherals
- **Connect Display:** Use an HDMI, DisplayPort (DP), or USB4 cable to connect your monitor(s) to the corresponding ports on the Mini PC. The GT68 supports up to three 4K displays simultaneously.
- **Connect Keyboard and Mouse:** Plug your USB keyboard and mouse into the available USB ports.
- **Connect Network (Optional):** For wired internet, connect an Ethernet cable to one of the dual 2.5G network ports. For wireless internet, ensure your WiFi network is available.
- **Connect Power Adapter:** Plug the power adapter into the DC-in port on the Mini PC, then connect it to a power outlet. The power supply supports a wide input voltage range from 100V to 240V.

Image: Front view of the AOOSTAR GT68 Mini PC showing USB4, OCuLink, and USB ports.
3.2 Initial Power-On
Press the power button located on the front panel of the Mini PC. The system will boot up. Follow the on-screen instructions to complete the operating system setup if it's a new installation or a "NO OS" bundle.
4. Operating Instructions
4.1 Basic Operation
- **Power On/Off:** Press the power button to turn 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).
- **Restart:** Use the operating system's restart function.
4.2 Multi-Screen Display
The GT68 supports connecting up to three 4K displays simultaneously via its USB4, HDMI 2.1, and DisplayPort 2.1 interfaces. This allows for an expanded workspace, ideal for multitasking, gaming, or professional applications.

Image: Overview of GT68 features, highlighting 3-screen 4K display support.
4.3 External Graphics Card (OCuLink)
For enhanced graphics performance, the GT68 features a high-speed OCuLink port (PCIe 4.0 X4). This port allows you to connect an external graphics card (eGPU) without occupying internal NVMe resources, providing a significant boost for demanding games or graphics-intensive applications.

Image: The OCuLink port on the GT68 Mini PC connected to an external graphics card for high-speed expansion.
4.4 Network Connectivity
The Mini PC supports both wired and wireless network connections:
- **WiFi 6:** Provides high-speed wireless connectivity with broader channel width and lower latency, ideal for streaming and online gaming.
- **Dual 2.5G Ethernet:** Two 2.5 Gigabit Ethernet ports offer ultra-fast and stable wired network connections.

Image: Visual representation of WiFi 6 and Dual 2.5G network capabilities and speed enhancements.
5. Maintenance
5.1 Cooling System
The GT68 Mini PC features an "Ice Glacier Cooling 3.0" system, which includes advanced silent turbo fans, VC sparse heat conduction, and dual three-dimensional air inlet designs. This system is designed to maintain optimal operating temperatures and reduce noise. Ensure the air vents are not obstructed to allow for proper airflow.

Image: Exploded view diagram of the Ice Glacier Cooling 3.0 system components.
5.2 Storage Expansion
The Mini PC is equipped with dual M.2 2280 PCIe 4.0 x4 SSD slots, allowing for significant storage expansion up to 4TB. To install or upgrade an SSD, refer to the detailed instructions in the full user manual (if available) or consult a qualified technician.
5.3 Memory (RAM)
The LPDDR5 6400MHz memory is onboard and cannot be upgraded by the user. Please ensure you select the appropriate memory configuration at the time of purchase.

Image: Diagram illustrating the LPDDR5 6400MHz memory and its performance benefits.
6. Troubleshooting
- **No Display:**
- Ensure all display cables (HDMI, DP, USB4) are securely connected to both the Mini PC and the monitor.
- Verify the monitor is powered on and set to the correct input source.
- Test with a different display cable or monitor if possible.
- **Poor Gaming Performance:**
- Ensure all drivers, especially graphics drivers, are up to date.
- Check game settings and reduce graphics quality if necessary.
- Consider connecting an external graphics card via the OCuLink port for significant performance improvement.
- **Network Connectivity Issues:**
- For wired connections, check Ethernet cable integrity and router status.
- For wireless connections, ensure WiFi is enabled and connected to the correct network. Restart your router if necessary.
- Update network drivers.
- **System Overheating/Throttling:**
- Ensure the Mini PC's air vents are clear of obstructions.
- Operate the device in a well-ventilated area.
- The "Ice Glacier Cooling 3.0" system is designed to prevent throttling under normal loads. If issues persist, contact support.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | AOOSTAR |
| Model Number | GT68 |
| Type | Mini Desktop / Mini PC |
| Processor Brand | AMD |
| Processor Model | AMD Ryzen7 PRO 6850H |
| Processor Main Frequency | 4.7Ghz (Max Boost Clock) |
| CPU Cores/Threads | 8 Cores, 16 Threads |
| CPU Architecture | Zen 3+ (6nm) |
| Graphics Card Type | Integrated Card (AMD Radeon 680M) |
| GPU Details | RDNA 2 Architecture, 12CU Graphics Core Count, 2200MHz Graphics Frequency |
| Memory Capacity | Up to 32 GB LPDDR5 6400MHz (onboard) |
| Hard Drive Capacity | 1TB (Configurable, supports dual M.2 2280 PCIe 4.0 x4 SSDs) |
| Network | WiFi 6, Dual 2.5G Ethernet |
| Ports | USB4, OCuLink (PCIe 4.0 X4), HDMI 2.1, DisplayPort 2.1, USB ports |
| Multi-screen Support | Triple 4K (8K120Hz via HD 2.1 + DP2.1 + USB4) |
| Dimensions (Approx.) | 11.2 cm (width) x 6 cm (height) |
| Use Case | Multimedia, Gaming, Office, AI Design |
| Certification | CE, FCC, PSE |

Image: Dimensions of the AOOSTAR GT68 Mini PC, highlighting its compact metal casing.
8. Warranty and Support
The AOOSTAR GT68 Mini PC comes with a 1-year warranty period. If any quality problems arise within this period, please contact your retailer or the AOOSTAR customer support for free return or replacement of new products.
For technical assistance or further inquiries, please refer to the contact information provided with your purchase documentation or visit the official AOOSTAR support website.
9. User Tips
- **Maximize Gaming Performance:** For the best gaming experience, especially with AAA titles, consider utilizing the OCuLink port to connect a powerful external graphics card. This bypasses potential bottlenecks and leverages dedicated GPU power.
- **Efficient Multitasking:** Take advantage of the triple 4K display support. Connect multiple monitors to expand your desktop space for improved productivity in office tasks, video editing, or immersive gaming setups.
- **Stable Network for Critical Tasks:** For online gaming, live broadcasting, or large file transfers, prioritize using the dual 2.5G Ethernet ports for a more stable and faster connection compared to Wi-Fi, even with Wi-Fi 6.
- **AI Development:** The GT68's processor, with its NPU, CPU, and GPU, offers a total AI computing power of 80 TOPS, making it highly suitable for AI development and machine learning tasks.
- **Power Supply Note:** The provided power adapter is designed to work safely within a wide voltage range (100V-240V), despite some labels indicating a narrower range.