1. Introduction
The Ninkear L12 Pro is a high-performance, ultra-compact Mini PC designed for a wide range of applications, from industrial design and photo editing to online education and home theater. Equipped with a powerful Intel i9-12900HK processor, ample memory, and fast storage, it delivers desktop-level performance in a space-saving form factor. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your L12 Pro Mini PC.
2. Package Contents
Please check the package for the following items:
- Ninkear L12 Pro Mini PC
- Power Adapter
- User Manual (this document)
- (Optional) VESA Mount Bracket and Screws
- (Optional) HDMI Cable
3. Setup Guide
3.1 Connecting Peripherals
Before powering on your Mini PC, connect all necessary peripherals:
- Display(s): Connect your monitor(s) to the Mini PC using HDMI, DisplayPort (DP), or Type-C cables. The L12 Pro supports up to three displays simultaneously.
- Keyboard and Mouse: Connect your USB keyboard and mouse to the available USB ports. Alternatively, use Bluetooth for wireless peripherals.
- Network: For wired internet, connect an Ethernet cable to one of the RJ45 ports. For wireless internet, ensure your Wi-Fi network is available.
- Power: Connect the power adapter to the DC input port on the Mini PC, then plug the adapter into a power outlet.
3.2 Powering On
Press the power button located on the front of the Mini PC. The system will boot up, and you will see the operating system loading on your connected display.
3.3 Operating System Setup
If this is the first time you are using the Mini PC, you may need to complete the initial setup for Windows 11 or your chosen Linux distribution (e.g., Ubuntu). Follow the on-screen instructions to configure language, region, network, and user accounts.
4. Operating Your Mini PC
4.1 General Usage
The Ninkear L12 Pro is designed for versatile use, offering robust performance for demanding tasks. Its 12th Gen Intel Core i9-12900HK processor with 14 cores and 20 threads, combined with 32GB DDR4 RAM and a 1TB PCIe SSD, ensures smooth multitasking and fast application loading.
4.2 Connectivity
The L12 Pro offers advanced connectivity options:
- Wi-Fi 6: Enjoy high-speed wireless internet for seamless streaming and browsing.
- Bluetooth 5.2: Connect your wireless peripherals such as headphones, keyboards, and mice.
- Dual 2.5G LAN: Two 2.5 Gigabit Ethernet ports provide ultra-stable, high-speed wired connections, ideal for NAS, live streaming, or multi-device setups.
4.3 Applications
This Mini PC is suitable for various professional and personal applications:
- Industrial Design
- Photo Editing
- Online Education
- Online Conference
- Home Theater
- Office Productivity
- Stock Trading
5. Maintenance
To ensure the longevity and optimal performance of your Ninkear L12 Pro Mini PC, follow these maintenance guidelines:
- Cleaning: If there is dust on the host machine, please wipe it with a dry soft cloth. Do not use liquid cleaners directly on the device.
- Moisture Protection: Pay attention to moisture-proof measures. Keep the use environment clean and sterilized. Avoid getting water, food, or other fluids onto the Mini PC.
- Environmental Factors: Avoid direct exposure of strong light to the Mini PC. Do not place it near strong magnetic fields.
- Power Management: Please turn off the Mini PC and disconnect the power supply if you don't use it for a long time.
- Virus Protection: Pay attention to virus protection during use. It is recommended to use reliable antivirus software and firewalls.
- Cable Handling: Do not pull data cables, power cords, etc., forcefully. Always grasp the plug when disconnecting.
6. Troubleshooting
If you encounter issues with your Ninkear L12 Pro Mini PC, refer to the following common troubleshooting steps:
- No Power:
- Ensure the power adapter is securely connected to both the Mini PC's DC input and a working power outlet.
- Verify that the power adapter is the correct one supplied with the Mini PC.
- No Display:
- Check that the monitor is powered on and the correct input source is selected.
- Ensure the display cable (HDMI, DP, or Type-C) is firmly connected to both the Mini PC and the monitor.
- Try a different display cable or monitor if possible.
- No Internet Connection:
- For wired connections, check the Ethernet cable and router status.
- For Wi-Fi, ensure Wi-Fi is enabled in the operating system and you are connected to the correct network with the right password.
- System Slowdown:
- Close unnecessary applications running in the background.
- Check for malware or viruses using antivirus software.
- Ensure the system has adequate ventilation and is not overheating.
- Peripheral Not Detected:
- Try connecting the peripheral to a different USB port.
- Ensure the peripheral's drivers are installed correctly.
- For Bluetooth devices, ensure Bluetooth is enabled and the device is in pairing mode.
7. Specifications
| Feature | Specification |
|---|---|
| Processor | Intel Core i9-12900HK (12th Gen, 14 Cores, 20 Threads, 5.0GHz Max Turbo Frequency) |
| Graphics | Intel Iris Xe Graphics 96EU (Integrated) |
| Memory | 32GB DDR4-3200MHz (Dual Channel) |
| Storage | 1TB PCIe 3.0 SSD (Dual M.2 SSD slot) |
| Operating System | Windows 11 / Linux OS (e.g., Ubuntu) |
| Wireless Connectivity | Wi-Fi 6 (Dual band), Bluetooth 5.2 |
| Wired Connectivity | Dual 2.5G LAN (RJ45*2) |
| Front Ports | 2x USB 3.0, 1x Type-C, Power Button, Headphone/MIC Jack |
| Rear Ports | DC Power Input, 2x RJ45 (2.5G LAN), HDMI, USB 3.0, USB 2.0, DisplayPort (DP) |
| Display Output | DP (8K@30Hz), HDMI (4K@60Hz), Type-C (4K@30Hz) - Tri-Display Support |
| Dimensions | 130 x 127.5 x 52 mm |
| Weight | Approx. 478g |
| Cooling System | Silent Fan, Diversified cooling technology with Heat Conduits |
| Noise Level | 38dB (Mini PC L12 Pro) |
8. Warranty and Support
The Ninkear L12 Pro Mini PC typically comes with a 2-year warranty. Please refer to your purchase documentation for specific warranty terms and conditions. For technical support or warranty claims, contact your retailer or the manufacturer's customer service.
9. User Tips
- Power Supply Check: Always ensure the power adapter is correctly connected and functioning. If you are unsure about the power supply, verify it was included in your package and matches the specifications.
- Document Backup: Regularly back up important documents and data to prevent loss, especially before performing system updates or major changes.
- Optimal Placement: Place the Mini PC in a well-ventilated area to ensure efficient cooling and maintain its quiet operation.





