1. Introduction
Thank you for choosing the TexHoo D3 Mini PC. This compact and versatile computer is designed for a wide range of applications, from light office work and video conferencing to gaming and home theater setups. It features powerful AMD Ryzen processors, dual display output, and robust connectivity options.

This manual provides essential information for setting up, operating, and maintaining your Mini PC. Please read it carefully before use.
2. Specifications
| Feature | Description |
|---|---|
| Model Number | D3 |
| Processor Brand | AMD |
| Processor Models | AMD Ryzen 3 4300U, AMD Ryzen 7 5700U |
| Processor Main Frequency | Ryzen 3 4300U: 3.7GHz Max Smart Frequency (4 Core, 4 Thread, 15W TDP, 7nm process, 4MB L3 Cache) Ryzen 7 5700U: 4.3GHz Max Smart Frequency (8 Core, 16 Thread, 15W TDP, 7nm process, 8MB L3 Cache) |
| Memory Capacity | DDR4 3200MHz (SO DIMM2: 8G-32G) |
| Hard Drive Capacity | PCIe 3.0x4 M.2 2280 SSD (128GB-1TB) |
| Graphics Card Type | Integrated Card |
| Display Output | Dual Display (1*HDMI, 1*VGA) supporting 4K@60Hz |
| Network | RJ45 1G LAN (1000Mbps Dual LAN Ethernet Port), WiFi 6, Bluetooth 5.2 |
| Use Case | Household, Office, Business, Home, Gaming |
| Certification | CE |
| Dimensions | 19.4cm (7.64inch) H x 4cm (1.57inch) W x 18.5cm (7.28inch) D |



3. Package Contents
The contents of your TexHoo D3 Mini PC package may vary depending on the configuration purchased. Typically, it includes:
- TexHoo D3 Mini PC Unit
- Power Adapter
- User Manual
- WiFi Antenna (if applicable)
- 2.5-inch SATA cable (if applicable, please contact customer service if needed for installation)
Note: If you purchased the 'No RAM No SSD' option, the product does not include a memory module or hard drive, and no operating system is pre-installed. You will need to acquire and install these components separately.
4. Initial Setup
Follow these steps to set up your TexHoo D3 Mini PC:
- Connect Peripherals: Connect your monitor(s) to the HDMI and/or VGA ports. Connect your keyboard and mouse to the available USB ports.
- Network Connection: For a wired connection, connect an Ethernet cable to the RJ45 LAN port. For wireless, ensure the WiFi antennas are securely attached (if provided).
- Power Connection: Connect the power adapter to the DCIN port on the Mini PC, then plug the adapter into a power outlet.
- Power On: Press the ON/OFF button located on the front panel to power on the device.


5. Operating System
Your Mini PC may come with an OEM Windows 10 OS pre-installed if you ordered a bundle with RAM and SSD. English version is typically free, with other languages available upon request (Russian, Spanish, Portuguese, French, German, Arabic, Italian, Japanese, Turkish, Greek, etc.).
The Mini PC also supports other operating systems such as Linux, XBMC (Kodi), Ubuntu, and Openelec. If you require one of these, please ensure to specify during purchase or install it yourself.

6. Hardware Installation & Upgrades
If you purchased the 'No RAM No SSD' option, you will need to install RAM and an SSD. Ensure the purchased components are compatible with the machine. The Mini PC supports DDR4 RAM and PCIe 3.0x4 M.2 2280 SSDs.
For RAM and hard drives, we utilize components from well-known brands such as Samsung, Micron, SanDisk, Toshiba, Hynix, Crucial, Liteon, Kingfast, Phison, Longsys, and SCY. The specific brand used depends on testing and inventory at the time of assembly.
Note on Storage Capacity: Due to differences in calculation standards, the actual usable capacity of storage devices is typically about 93% of the advertised capacity (e.g., 1TB ≈ 930GB).

Important: Different batches of motherboard interfaces may vary slightly. If you have specific interface requirements, please consult customer service to confirm the exact interface of your model.
If you need to install a 2.5-inch SATA hard drive, please contact customer service to obtain the necessary SATA cable.
7. Connectivity
The TexHoo D3 Mini PC offers comprehensive connectivity options:
- USB Ports: Multiple USB 2.0 and USB 3.0 ports for connecting peripherals.
- Display Ports: HDMI and VGA ports for dual display output, supporting up to 4K resolution at 60Hz.
- Network: Dual RJ45 Gigabit LAN ports for stable wired network connections, along with integrated WiFi 6 for high-speed wireless internet.
- Bluetooth: Bluetooth 5.2 for connecting wireless accessories.
- Audio: Dedicated MIC and audio output jacks.
- Serial Ports: S232 (COM) ports for custom applications.



8. Usage Scenarios
The compact size and powerful performance of the TexHoo D3 Mini PC make it suitable for various environments:
- Light Office: Efficient for daily productivity tasks.
- Video Conferencing: Reliable performance for online meetings.
- Video Games: Capable of handling many popular games.
- Home Theater: Ideal for media consumption with 4K dual display support.
- Online Education: A stable platform for learning and teaching.
- Public Billboards: Suitable for digital signage applications.

Product overview video demonstrating the TexHoo D3 Mini PC's features and internal components.
9. Maintenance
To ensure the longevity and optimal performance of your Mini PC:
- Keep the device in a well-ventilated area to prevent overheating.
- Regularly clean dust from the vents using compressed air.
- Avoid exposing the device to extreme temperatures or humidity.
- Ensure all cables are securely connected.
- Perform regular software updates for your operating system and drivers.
10. Troubleshooting
If you encounter issues with your Mini PC, consider the following:
- No Power: Ensure the power adapter is correctly connected to both the Mini PC and a working power outlet. Check the power button.
- No Display: Verify that your monitor is properly connected to the HDMI or VGA port and is powered on. Try a different display cable or monitor if possible.
- No Internet Connection: For wired connections, check the Ethernet cable and router. For Wi-Fi, ensure antennas are attached (if external), Wi-Fi is enabled in the OS, and you are connected to the correct network.
- System Instability: Ensure all hardware components (RAM, SSD) are correctly installed and compatible. Update drivers and operating system.
- Compatibility Issues: Buyers are responsible for ensuring the compatibility of any additional parts or accessories with this product.
11. User Tips
No specific user tips were available from reviews or Q&A at this time. For best performance, ensure your operating system and drivers are always up to date.
12. Warranty & Support
All products are tested before shipment to ensure they are functioning well. If you experience any issues or have questions regarding your TexHoo D3 Mini PC, please contact customer service as soon as possible after delivery. We are committed to providing high-quality after-sales service.
Your feedback is important to us. If you are not satisfied with any aspect of your purchase, please contact us immediately before leaving neutral or negative feedback so we can address your concerns and resolve any problems.