1. Introduction
This manual provides essential information for the setup, operation, and maintenance of your Beelink GK55 Mini PC. Please read these instructions carefully before using the device to ensure optimal performance and longevity. Keep this manual for future reference.
2. Package Contents
Verify that all items are present in the package:
- Beelink GK55 Mini PC
- US Power Plug
- HDMI Cable
- FPC HDD Cable
3. Product Overview
The Beelink GK55 is a compact Mini PC featuring an Intel Celeron J4125 processor, 8GB DDR4L RAM, and a 256GB SSD. It supports 4K@60Hz output, dual Gigabit Ethernet, and dual-band Wi-Fi for versatile connectivity and performance.

Figure 3.1: Front view of the Beelink GK55 Mini PC, showcasing its compact design and accessible front ports.

Figure 3.2: Internal view illustrating the M.2 SATA SSD 2280 slot and the expandable 2.5-inch HDD bay for storage expansion.

Figure 3.3: Internal view highlighting the heat pipe heat dissipation system designed for efficient cooling.
Video 3.1: An official product video demonstrating the features and capabilities of the Beelink GK55 Mini PC.
4. Setup Instructions
4.1 Connecting Peripherals
- Connect Display: Use the provided HDMI cable to connect the Mini PC to your monitor or TV. The GK55 supports dual HDMI outputs for two displays.
- Connect USB Devices: Plug in your keyboard, mouse, and any other USB peripherals into the available USB ports.
- Connect Network (Optional): For a wired connection, connect an Ethernet cable to one of the two Gigabit Ethernet ports. For wireless, ensure your Wi-Fi network is available.
4.2 Powering On
- Connect Power Adapter: Plug the US Power Plug into the DC input port on the Mini PC, then connect it to a power outlet.
- Power On: Press the power button located on the front of the Mini PC. The power indicator light will illuminate.
4.3 Initial Setup
Upon first boot, the operating system (Windows 10 Pro or other pre-installed OS) will guide you through the initial setup process, including language selection, network configuration, and user account creation. Follow the on-screen prompts.
5. Operating Instructions
5.1 Dual Display Setup
The Beelink GK55 supports connecting two monitors simultaneously via its dual HDMI ports. Once both monitors are connected, you can configure display settings within the operating system (e.g., Extend, Duplicate) to suit your workflow.
5.2 Storage Expansion
The Mini PC allows for storage expansion:
- M.2 NGFF 2280 SSD: An additional M.2 NGFF 2280 SSD can be installed for increased speed and storage capacity.
- 2.5" SATA HDD: A 2.5-inch SATA HDD can be added using the provided FPC HDD cable for mass storage.
Refer to the internal diagrams in Section 3 for the location of these expansion slots. Professional installation is recommended for hardware upgrades.
5.3 Network Connectivity
The GK55 offers flexible network options:
- Wired Ethernet: Connect to a network using either of the two Gigabit Ethernet ports for stable and high-speed internet access.
- Dual Band Wi-Fi: Utilize the built-in 802.11ac Dual Band 2.4 & 5.8GHz Wi-Fi for wireless connectivity. Configure Wi-Fi settings through the operating system.
6. Maintenance
6.1 Cleaning
To maintain optimal performance, periodically clean the exterior of the Mini PC with a soft, dry cloth. Ensure ventilation openings are free from dust and obstructions. Do not use liquid cleaners directly on the device.
6.2 Software Updates
Regularly update your operating system and drivers to ensure security, stability, and access to the latest features. Check the manufacturer's website for specific driver updates for the Beelink GK55.
7. Troubleshooting
If you encounter issues with your Beelink GK55 Mini PC, consider the following general troubleshooting steps:
- No Power: Ensure the power adapter is securely connected to both the Mini PC and a working power outlet. Try a different outlet if necessary.
- No Display: Verify that the HDMI cable is firmly connected to both the Mini PC and the monitor. Check the monitor's input source settings.
- Peripheral Not Responding: Ensure USB devices are properly plugged in. Try connecting them to different USB ports.
- Network Connectivity Issues: For wired connections, check the Ethernet cable and router status. For Wi-Fi, ensure the network is selected and the password is correct.
- System Unresponsive: Perform a hard reboot by holding the power button until the device shuts down, then power it back on.
If problems persist, consult the official Beelink support resources.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | Beelink |
| Model Name | GK55 |
| Operating System | OS (Pre-installed) |
| CPU Model | Intel Celeron J4125 (4C/4T, 4M Cache, 2.0GHz up to 2.7GHz) |
| Graphics Coprocessor | Intel UHD Graphics 600 |
| RAM Memory Installed | 8 GB DDR4L |
| Memory Storage Capacity | 256 GB SSD |
| Hard Disk Description | HDD, SSD (Expandable) |
| Video Output | Dual HDMI (Supports 4K HD ultra-high-definition content) |
| Wireless Network Technology | 802.11ac Dual Band 2.4 & 5.8GHz Wi-Fi |
| Connectivity Technology | Ethernet (Dual Gigabit), HDMI, USB, Wi-Fi |
| Total USB Ports | 6 |
| Color | Black |
| Personal Computer Design Type | Mini PC |
9. Warranty and Support
The Beelink GK55 Mini PC comes with a 1-year warranty from the manufacturer. For technical support, warranty claims, or additional product information, please visit the official Beelink store or contact their customer service directly.
Official Beelink Store: Beelink Store on Amazon





