1. Introduction
This manual provides detailed instructions for setting up, operating, and maintaining your BOSGAME Fanless Mini PC AG40 N4020. Please read this manual thoroughly before using the product to ensure proper function and longevity. The BOSGAME AG40 N4020 is a compact, fanless mini PC designed for various applications, including office work, web browsing, home entertainment, and light computing tasks.

Image: The BOSGAME Fanless Mini PC AG40 N4020, showcasing its compact design and various ports.
2. What's in the Box
Carefully unpack your BOSGAME Mini PC and ensure all items are present:
- Fanless Mini PC AG40 N4020 x1
- User Manual x1
- 12V 2A, 24W, Power Adapter x1

Image: A visual representation of the items included in the BOSGAME Mini PC package, including the mini PC, user manual, power adapter, HDMI cable, and VESA mount with screws.
3. Product Overview
3.1 Key Features
- Processor: Equipped with an Intel Celeron N4020 Processor, offering a base operating frequency of 1.1 GHz and a burst frequency up to 2.8 GHz.
- Memory & Storage: Features 4GB LPDDR4 RAM and 64GB eMMC internal storage. Supports expansion via an M.2 2242 SATA SSD (up to 1TB) and external mobile hard disk via USB 3.0.
- Graphics & Display: Integrated Intel UHD Graphics 600. Supports dual display output via HDMI and VGA ports, capable of 4K (3840 x 2160) resolution at 60Hz via HDMI and 4K at 30Hz via VGA.
- Connectivity: Includes 802.11ac Dual-Band Wi-Fi 5, Bluetooth 5.0, and a 1000Mbps LAN port.
- Fanless Design: Utilizes a fanless cooling system for silent operation and energy efficiency, consuming under 6 watts of power.
- Operating System: Pre-installed with Windows 10 Pro, also supports Linux and Ubuntu operating systems.
3.2 Ports and Connectors
Familiarize yourself with the available ports on your Mini PC:

Image: Detailed view of the BOSGAME Mini PC's ports, including DC power input, USB 3.0, HDMI, RJ45 LAN, Audio Connector, VGA, and Power Button.
- DC Power Input: Connects the power adapter.
- USB 3.0 Ports: For connecting peripherals such as keyboards, mice, and external storage devices.
- HDMI Port: Connects to a monitor or TV for video and audio output (supports 4K@60Hz).
- VGA Port: Connects to a monitor for video output (supports 4K@30Hz).
- RJ45 LAN Port: For wired network connection (1000Mbps).
- Audio Connector: For headphones or speakers.
- Power Button: To turn the device on or off.
- CLR CMOS Button: Used to clear CMOS settings if needed.

Image: Illustrates the fanless design, Intel UHD Graphics 600, DDR4/eMMC, Wi-Fi 5, Bluetooth 5.0, and RJ45 LAN features, along with dual screen display support (HDMI 2.0 and VGA).
4. Setup Instructions
4.1 Initial Connection
- Connect Display: Connect your monitor or TV to the Mini PC using an HDMI or VGA cable.
- Connect Peripherals: Plug in your USB keyboard and mouse into the available USB ports.
- Connect Network (Optional): For a wired internet connection, connect an Ethernet cable to the RJ45 LAN port. For wireless, Wi-Fi will be configured during initial setup.
- Connect Power: Plug the power adapter into the DC power input port on the Mini PC, then plug the adapter into a power outlet.
- Power On: Press the power button on the Mini PC. The device will boot up.
4.2 Operating System Setup
Upon first boot, the pre-installed Windows 10 Pro will guide you through the initial setup process. Follow the on-screen instructions to configure language, region, network, and user accounts.
4.3 Storage Expansion (M.2 2242 SATA SSD)
The Mini PC supports additional storage expansion with an M.2 2242 SATA SSD (up to 1TB). To install:
- Ensure the Mini PC is powered off and disconnected from the power source.
- Carefully open the Mini PC casing. Refer to the product structure diagram for guidance.
- Locate the M.2 slot on the motherboard.
- Insert the M.2 2242 SATA SSD into the slot and secure it with the provided screw (if applicable).
- Close the casing and reconnect the power.
- After booting, you may need to initialize and format the new SSD through Disk Management in Windows before it can be used.

Image: An exploded view of the BOSGAME Mini PC, showing the internal components including the motherboard, heatsink, and casing, which helps in understanding how to access the M.2 slot for storage expansion.
5. Operating Instructions
5.1 Basic Operation
- Power On/Off: Press the power button once to turn on. To turn off, use the operating system's shutdown function or press and hold the power button for a few seconds for a forced shutdown (not recommended for regular use).
- Restart: Use the operating system's restart function.
- Sleep Mode: Use the operating system's sleep function.
5.2 Dual Display Setup
The Mini PC supports connecting two monitors simultaneously using the HDMI and VGA ports. This allows for extended desktop or mirrored display modes.
- Connect the first monitor to the HDMI port.
- Connect the second monitor to the VGA port.
- Power on the Mini PC and both monitors.
- In Windows, right-click on the desktop and select "Display settings" to configure your preferred display mode (e.g., Extend these displays, Duplicate these displays).

Image: The BOSGAME Mini PC connected to a television displaying 4K content, highlighting its 4K@60Hz UHD output capability.
6. Maintenance
6.1 Cleaning
- Ensure the Mini PC is powered off and unplugged before cleaning.
- Use a soft, dry cloth to wipe the exterior of the device.
- For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner.
- Do not use harsh chemicals or solvents.
- Keep ventilation holes clear of dust and debris.
6.2 Software Updates
Regularly update your operating system and drivers to ensure optimal performance and security. Windows Update can be accessed through the Settings menu.
7. Troubleshooting
If you encounter issues with your BOSGAME Mini PC, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power adapter not connected; Power outlet issue | Ensure power adapter is securely connected to the Mini PC and a working power outlet. Try a different outlet. |
| No display | Monitor not connected; Incorrect input source on monitor; Faulty cable | Check display cable connections. Ensure monitor is set to the correct input source (HDMI/VGA). Try a different cable or monitor. |
| Slow performance | Too many applications running; Low storage space; Outdated drivers | Close unnecessary applications. Free up storage space. Update Windows and drivers. Consider adding an M.2 SATA SSD for more storage. |
| Wi-Fi/Bluetooth issues | Drivers not installed/updated; Interference; Incorrect settings | Check device manager for Wi-Fi/Bluetooth drivers. Ensure Wi-Fi/Bluetooth is enabled in settings. Move closer to the router or reduce interference. |
| Cannot expand storage with M.2 SSD | Incorrect SSD type/size; SSD not initialized/formatted | Ensure you are using an M.2 2242 SATA SSD. Check Disk Management in Windows to initialize and format the new drive. |
8. Specifications
Detailed technical specifications for the BOSGAME Fanless Mini PC AG40 N4020:

Image: A table summarizing the product specifications including dimensions, CPU, GPU, network, adapter, internal slot, and interfaces.
| Feature | Detail |
|---|---|
| Model | AG40 |
| Processor | Intel Celeron N4020 (2 Cores, 2 Threads, up to 2.8 GHz) |
| Graphics | Intel UHD Graphics 600 |
| RAM | 4GB LPDDR4 |
| Internal Storage | 64GB eMMC |
| Storage Expansion | M.2 2242 SATA SSD slot (up to 1TB) |
| Operating System | Windows 10 Pro (pre-installed), supports Linux/Ubuntu |
| Wi-Fi | 802.11ac Dual-Band Wi-Fi 5 |
| Bluetooth | Bluetooth 5.0 |
| LAN | 1000Mbps RJ45 Ethernet |
| Video Output | 1x HDMI 2.0 (4K@60Hz), 1x VGA (4K@30Hz) |
| USB Ports | 3x USB 3.0, 2x USB 2.0 |
| Audio | 1x Audio Jack |
| Power Input | 12V 2A DC (24W) |
| Dimensions | 4.72 x 4.72 x 0.98 inches (120 x 120 x 25 mm) |
| Weight | Approx. 1.19 pounds |
9. Warranty and Support
BOSGAME provides reliable after-sales service for your Mini PC.
- Warranty: The product comes with 3 years of professional factory support.
- Certifications: All products have FCC, ROHS, and CE certifications.
- Customer Service: 24/7 online customer service is available for assistance.
For technical support or warranty claims, please contact BOSGAME customer service through the official channels provided at the time of purchase or on the BOSGAME website.





