1. Introduction
The GMKtec M5 Plus is a powerful and compact mini PC designed for a wide range of applications, including office work, gaming, and home entertainment. Equipped with an AMD Ryzen 7 5825U processor, ample RAM, and fast storage, it offers robust performance in a small form factor. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your GMKtec M5 Plus Mini PC.

Figure 1: GMKtec M5 Plus Mini PC
2. What's in the Box
Upon opening your GMKtec M5 Plus package, please verify that all the following items are included:
- GMKtec Nucbox M5 Plus AMD Ryzen 7 5825U Mini PC Computer
- Power Supply & Cable
- HDMI Cable
- VESA Mount and Screws
- User Manual (this document)

Figure 2: Retail Boxed Packaging Contents
Video 1: GMKtec M5 AMD Ryzen 7 5700U Unboxing Video Presentation. This video demonstrates the unboxing process and shows the included accessories.
3. Product Overview
3.1 Key Features
- Processor: AMD Ryzen 7 5825U (8 Cores/16 Threads, up to 4.50GHz)
- Graphics: AMD Radeon Graphics (8 CUs, 2000 MHz)
- Memory: 32GB DDR4 RAM Dual Channel (expandable to 64GB)
- Storage: 1TB M.2 2280 PCIe 3.0 SSD (expandable to 4TB)
- Networking: Dual 2.5GbE RJ45 LAN, WiFi 6E, Bluetooth 5.2
- Display Output: Triple 4K Display (HDMI 2.0, DisplayPort, USB-C)
- Operating System: Windows 11 Pro pre-installed

Figure 3: Key Features of GMKtec M5 Plus
3.2 Ports and Interfaces
The GMKtec M5 Plus offers a comprehensive set of ports for connectivity:
- 2 x USB 3.2 ports
- 2 x USB 2.0 ports
- 1 x HDMI 2.0 port (4K@60Hz)
- 1 x USB-C port (PD/DP/DATA)
- 1 x DisplayPort (DP)
- 1 x Audio 3.5mm (HP&MIC)
- 2 x 2.5GbE RJ45 LAN ports
- 1 x DC Power Port
- Kensington Lock slot

Figure 4: Rich Interface Ports
Video 2: GMKtec M5 AMD Ryzen 7 5700U Mini PC Computer Overview. This video provides a detailed look at the physical features and ports of the mini PC.
4. Setup
4.1 Initial Connection
- Connect to Display: Use the provided HDMI cable to connect the mini PC to your monitor or TV. Alternatively, use a DisplayPort or USB-C cable for triple display setup.
- Connect Peripherals: Plug in your keyboard and mouse into the available USB ports.
- Connect to Power: Connect the power adapter to the DC Power Port on the mini PC and then plug it into a power outlet.
- Power On: Press the power button on the front of the mini PC. The power indicator light will illuminate.
4.2 Network Connection
You have two options for connecting to the internet:
- Wired Connection: Connect an Ethernet cable from your router or modem to one of the 2.5GbE RJ45 LAN ports on the mini PC.
- Wireless Connection: The mini PC supports WiFi 6E. Once powered on, Windows 11 will guide you through connecting to a wireless network during initial setup or via the network settings.

Figure 5: Dual LAN High Speed Ethernet

Figure 6: Super Speed WiFi 6E
4.3 VESA Mount Installation (Optional)
The included VESA mount allows you to attach the mini PC to the back of a compatible monitor or TV, saving desk space.
- Attach the VESA bracket to the back of your monitor using the provided screws.
- Slide the mini PC onto the VESA bracket until it clicks securely into place.
5. Operating Instructions
5.1 First Boot and Windows Setup
On the first boot, Windows 11 Pro will guide you through the initial setup process. Follow the on-screen prompts to configure your region, language, keyboard layout, network, and user account.
5.2 Connecting Multiple Displays
The GMKtec M5 Plus supports up to three 4K displays simultaneously using its HDMI 2.0, DisplayPort, and USB-C (DP Alt Mode) outputs. Connect your monitors and configure display settings within Windows (Right-click on desktop > Display settings).

Figure 7: Triple Ultra HD Display Setup
5.3 Performance Modes
The AMD Ryzen 7 5825U processor can operate in different power modes. You can adjust these settings in the BIOS to optimize for power saving (Quiet Mode) or maximum performance (Performance Mode) up to 4.50GHz Turbo Boost, depending on your needs.
5.4 Gaming and Multimedia
The integrated AMD Radeon Graphics and powerful processor allow for smooth gaming experiences with mid-range titles and seamless 4K UHD video playback. Ensure your display drivers are up to date for optimal performance.
Video 3: GMKtec M5 Ryzen 7 5700U Gaming Test Run. This video demonstrates the mini PC's gaming performance.
Video 4: Nucbox M5 Pro Office Business Home Setup. This video showcases the mini PC's versatility in various home and office setups.
6. Maintenance
6.1 Cleaning
Regularly clean the exterior of the mini PC with a soft, dry cloth. Use compressed air to clear dust from the ventilation grilles to ensure optimal airflow and prevent overheating.
6.2 Software Updates
Keep your Windows operating system and drivers (especially graphics drivers) updated to ensure stability, security, and optimal performance. You can check for updates via Windows Update and the AMD website.
6.3 Storage Expansion
The mini PC supports dual slot expansion for M.2 2280 PCIe SSDs up to 4TB. To upgrade, carefully remove the bottom cover and install the new SSD. Refer to the detailed internal diagram for component location.

Figure 8: Premium Parts & Design (Internal View)
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display on monitor | Loose cable connection, incorrect input source, power issue | Check HDMI/DP/USB-C cable connections. Ensure monitor is on correct input. Verify power adapter is securely connected to PC and outlet. |
| PC does not power on | Power supply issue, loose power connection | Ensure power adapter is fully plugged in. Try a different power outlet. |
| Slow performance | Overheating, outdated drivers, too many background applications | Clean dust from vents. Update graphics and chipset drivers. Close unnecessary programs. Check BIOS for performance mode settings. |
| No Wi-Fi connection | Wi-Fi module disabled, driver issue, router problem | Check Wi-Fi settings in Windows. Reinstall Wi-Fi drivers. Restart your router. |
| USB devices not recognized | Driver issue, faulty port, device problem | Try a different USB port. Update USB drivers. Test the device on another computer. |
8. Specifications
| Component | Detail |
|---|---|
| Processor | AMD Ryzen 7 5825U (8 Cores/16 Threads, Base 2.00GHz, Turbo 4.50GHz) |
| Graphics | AMD Radeon Graphics 8CUs 2000 MHz |
| RAM | 32GB DDR4 (Dual Channel, 3200 MHz), Max. 64GB |
| Storage | 1TB M.2 2280 PCIe 3.0 SSD (Dual Slot, Max. 4TB) |
| Operating System | Windows 11 Pro |
| Wireless Connectivity | WiFi 6E (2.5G/5G/6G triple band), Bluetooth 5.2 |
| Wired Connectivity | 2 x 2.5GbE RJ45 LAN ports |
| USB Ports | 2 x USB 3.2, 2 x USB 2.0 |
| Video Output | 1 x HDMI 2.0 (4K@60Hz), 1 x DisplayPort, 1 x USB-C (PD/DP/DATA) |
| Audio | 1 x 3.5mm Audio Jack (HP&MIC) |
| Dimensions | 10 x 2 x 2.7 inches |
| Weight | 1.1 pounds |
9. Warranty & Support
9.1 Warranty Information
GMKtec offers a 1-year limited warranty for each mini PC, starting from the date of purchase. This warranty covers all defects due to design and workmanship. Please retain your proof of purchase for warranty claims.
9.2 Technical Support
For technical assistance or support, please contact GMKtec's professional after-sales team. They are ready to attend to your needs.
- Email Support: support@gmktec.com (24/7 Customer Support)
- Amazon Support: Login to your Amazon account, go to "Your Orders," and select "Ask Product Question" for the GMKtec M5 Plus.

Figure 9: Warranty & Support Information





