GMKtec M5 PLUS
GMKtec M5 Plus Mini PC User Manual
Model: M5 PLUS
1. Introduction
This manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your GMKtec M5 Plus Mini PC. Please read this manual carefully before using the product to ensure optimal performance and longevity.
The GMKtec M5 Plus is a compact yet powerful mini PC designed for a wide range of applications, from demanding office tasks and content creation to gaming and home entertainment. It features an AMD Ryzen 7 5825U processor, ample memory, and high-speed storage, along with versatile connectivity options.
2. What's in the Box
Carefully unpack your GMKtec M5 Plus Mini PC and verify that all items listed below are present and in good condition:
- GMKtec Nucbox M5 Plus AMD Ryzen 7 5825U Mini PC Computer
- Power Supply & Cable
- HDMI Cable
- VESA Mount and Screws
- User Manual

Image: All components included in the retail packaging of the GMKtec M5 Plus Mini PC.
3. Setup Guide
3.1 Connecting Peripherals
Before powering on your Mini PC, connect your essential peripherals:
- Display: Connect your monitor(s) using the HDMI, DisplayPort (DP), or USB-C (DP/DATA) ports. The M5 Plus supports up to three 4K displays simultaneously.
- Keyboard and Mouse: Connect your USB keyboard and mouse to any of the available USB 3.2 or USB 2.0 ports. Wireless peripherals can be connected via Bluetooth 5.2.
- Network: For wired internet access, connect an Ethernet cable to one of the two 2.5GbE RJ45 LAN ports. For wireless connectivity, the Mini PC supports WiFi 6E.
- Audio: Connect speakers or headphones to the 3.5mm audio jack.
- Power: Connect the provided power supply to the DC Power Port and then to a power outlet.

Image: Detailed view of the rich interface ports on the GMKtec M5 Plus, including USB, HDMI, DP, USB-C, LAN, and audio.

Image: The GMKtec M5 Plus Mini PC demonstrating its capability to support a triple Ultra HD display setup.
3.2 Initial Boot and Operating System Setup
After connecting all necessary peripherals, press the power button located on the front of the unit. The system will boot up. Follow the on-screen instructions to complete the operating system setup (e.g., Windows 11 Pro). The Mini PC is also compatible with Linux and Ubuntu operating systems.
3.3 VESA Mount Installation
The GMKtec M5 Plus includes a VESA mount and screws, allowing you to attach the Mini PC to the back of a compatible monitor or to a wall, saving desk space. Secure the VESA mount to your desired surface using the provided screws, then slide the Mini PC onto the mount until it clicks into place.

Image: Illustration of the space-saving VESA installation option for the GMKtec M5 Plus Mini PC.
4. Operating Your Mini PC
4.1 Power Management
- Power On: Press the power button on the front panel.
- Power Off: Use the operating system's shutdown function. Alternatively, press and hold the power button for 5 seconds to force a shutdown (use only when necessary).
- Sleep Mode: The system can enter sleep mode to conserve power. Wake it by pressing the power button or moving the mouse/keyboard.
- Auto Power On: This feature can be enabled in the BIOS settings, allowing the PC to automatically power on after a power outage.
- Wake On LAN (WOL): This feature allows you to remotely wake the Mini PC over a network connection. It can be configured in the BIOS.
4.2 Performance Modes
The GMKtec M5 Plus features an AMD Ryzen 7 5825U processor. You can adjust its performance settings in the BIOS:
- Power Saving Quiet Mode: Sets the base processor frequency to 2.00GHz for reduced power consumption and quieter operation.
- Performance Mode: Enables Turbo Boost up to 4.50GHz for maximum performance.
Access the BIOS by pressing the Del or F2 key repeatedly during startup.

Image: Overview of the GMKtec M5 Plus's core specifications, including CPU, GPU, RAM, and connectivity.
4.3 Network and Wireless Connectivity
- Dual 2.5GbE LAN: Provides high-speed wired network connections, ideal for demanding network tasks or server applications.
- WiFi 6E: Supports 2.4GHz, 5GHz, and 6GHz triple bands for faster speeds and lower latency wireless connectivity.
- Bluetooth 5.2: Allows seamless connection to wireless devices such as headsets, mice, and keyboards.

Image: Visual representation of the dual LAN high-speed Ethernet capabilities of the Mini PC.

Image: Diagram illustrating the super-speed WiFi 6E and Bluetooth 5.2 connectivity, including frequency bands and compatibility.
5. Maintenance and Upgrades
5.1 System Cleaning
To maintain optimal performance and prevent overheating, regularly clean the exterior of your Mini PC with a soft, dry cloth. Ensure ventilation vents are clear of dust and obstructions. Do not use liquid cleaners directly on the device.
5.2 Memory (RAM) Upgrade
The GMKtec M5 Plus comes with 32GB DDR4 RAM (2x16GB) in a dual-channel configuration. It supports expansion up to 64GB RAM. To upgrade:
- Power off the Mini PC and disconnect all cables.
- Carefully open the chassis. The design allows for quick disassembly without tools by twisting the top shield.
- Locate the SO-DIMM slots.
- Gently unclip the existing RAM modules (if replacing) and insert the new modules, ensuring they are seated correctly.
- Close the chassis securely.
5.3 Storage (SSD) Upgrade
The Mini PC is equipped with a 1TB M.2 2280 PCIe 3.0 SSD and supports dual slot expansion up to 4TB SSD. To upgrade or add storage:
- Follow steps 1 and 2 from the RAM upgrade section to open the chassis.
- Locate the M.2 2280 SSD slots.
- Insert the new M.2 SSD into an available slot or replace an existing one. Secure it with the appropriate screw.
- Close the chassis securely.

Image: Internal view highlighting premium parts and design, including the SSD, DDR4 RAM, and cooling fans.

Image: Quick disassembly design showing easy access to upgrade DDR4 RAM and SSD ROM.
6. Troubleshooting
Common Issues and Solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power / System does not turn on | Power cable not connected; Power supply issue; Power outlet issue. | Ensure power cable is securely connected to both the PC and the outlet. Test the power outlet with another device. Verify the power adapter is functioning. |
| No display output | Monitor cable loose; Incorrect input source on monitor; Driver issue. | Check HDMI/DP/USB-C cable connections. Ensure monitor is set to the correct input source. Try a different display cable or monitor. Reinstall graphics drivers if possible. |
| Wi-Fi connectivity issues | Outdated drivers; Router issues; Interference. | Update Wi-Fi drivers from the GMKtec website. Restart your router and Mini PC. Ensure no physical obstructions are blocking the signal. Consider upgrading the Wi-Fi card if issues persist (e.g., to AX210). |
| System slow or unresponsive | Too many applications running; Low disk space; Overheating. | Close unnecessary applications. Free up disk space. Ensure proper ventilation and check for dust buildup. Verify performance mode settings in BIOS. |
| Peripheral not recognized (USB, Bluetooth) | Driver issue; Faulty peripheral; Port issue. | Try connecting the peripheral to a different port. Update relevant drivers. Test the peripheral on another computer. |
If you encounter problems not listed here or require further assistance, please refer to the Warranty and Support section for contact information.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | GMKtec |
| Series | M5 PLUS |
| Model Number | M5 PLUS |
| Processor | AMD Ryzen 7 5825U (8 Cores/16 Threads, Base 2.00GHz, Turbo up to 4.50GHz) |
| Graphics Coprocessor | AMD Radeon Graphics 8CUs 2000 MHz |
| RAM | 32 GB DDR4 (Dual Channel, 3200 MHz, expandable to 64GB) |
| Hard Drive | 1 TB M.2 2280 NVME PCIe 3.0 SSD (Dual Slot Max. 4TB) |
| Operating System | OS Pro (Windows 11 Pro compatible, Linux, Ubuntu) |
| Max Screen Resolution | 4096 × 2160 Pixels (4K@60Hz) |
| Display Output | 1x HDMI 2.0, 1x DP Port, 1x USB-C (PD/DP/DATA) - Supports Triple Display |
| USB Ports | 2x USB 3.2, 2x USB 2.0 |
| LAN | 2x 2.5GbE RJ45 |
| Wireless Connectivity | WiFi 6E (2.4GHz, 5GHz, 6GHz), Bluetooth 5.2 |
| Audio | 1x 3.5mm Audio (HP&MIC) |
| Dimensions (LxWxH) | 4.4 x 1.7 x 4.84 inches |
| Item Weight | 12.6 ounces |
| Color | Lunar Blue |
8. Warranty and Support
GMKtec offers a comprehensive warranty and support for your Mini PC:
- Limited Warranty: Each GMKtec Mini PC comes with a 1-year limited warranty, effective from the date of purchase. This warranty covers defects due to design and workmanship.
- Lifetime Technical Support: GMKtec provides lifetime technical support for its products.
- 12-Months Satisfying Service: Dedicated customer service is available to address your needs.
Contacting Support:
For any inquiries or technical assistance, you can reach GMKtec support through the following channels:
- Amazon Support: Log in to your Amazon account, navigate to 'Your Orders', and select 'Ask Product Question' for direct assistance.
- After-Sales Support Email: Send an email to support@gmktec.com for 24/7 customer support.

Image: Details on how to contact GMKtec support via Amazon or direct email.
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