Introduction
This user manual provides comprehensive instructions for the installation, operation, and maintenance of the MSI MAG B650 Tomahawk WiFi Motherboard. Please read this manual thoroughly before proceeding with installation to ensure proper setup and optimal performance.
Safety Information
Always observe the following safety precautions:
- Ensure power is disconnected from the system before installing or removing any components.
- Handle the motherboard by its edges to avoid touching sensitive components.
- Use an anti-static wrist strap or discharge static electricity by touching a grounded metal object before handling components.
- Keep the motherboard away from moisture and extreme temperatures.
Package Contents
Verify that all items listed below are included in your package:
- MSI MAG B650 Tomahawk WiFi Motherboard
- SATA Cables
- EZ M.2 Clips
- Wi-Fi Antenna
- Cable Stickers
- Quick Installation Guide
- European Union Regulatory Notices

Image: The MSI MAG B650 Tomahawk WiFi Motherboard shown alongside its included accessories, which typically consist of SATA cables, EZ M.2 clips, a Wi-Fi antenna, cable stickers, a quick installation guide, and European Union regulatory notices.
Setup and Installation
Follow these steps for proper installation of your motherboard and essential components:
- Prepare the Motherboard: Carefully remove the motherboard from its anti-static bag. Place it on a non-conductive, flat surface.
- Install the CPU:
- Open the CPU socket retention arm.
- Align the triangular mark on the CPU with the corresponding mark on the socket.
- Gently place the CPU into the socket. Do not force it.
- Close the retention arm to secure the CPU.
- Install CPU Cooler: Apply thermal paste to the CPU if not pre-applied on the cooler. Mount the CPU cooler according to its specific instructions, ensuring even pressure.
- Install RAM (DDR5):
- Open the clips on the DDR5 memory slots.
- Align the notch on the DDR5 memory module with the key in the slot.
- Press down firmly on both ends of the memory module until the clips snap into place.
- Install M.2 SSDs:
- Remove the M.2 Shield Frozr heatsink from the desired M.2 slot.
- Insert the M.2 SSD into the slot at an angle.
- Secure the M.2 SSD with the EZ M.2 clip or screw.
- Reattach the M.2 Shield Frozr heatsink to ensure optimal thermal performance.
- Mount Motherboard in Case: Align the motherboard with the standoffs in your PC case. Secure it with screws.
- Connect Power Cables: Connect the 24-pin ATX main power connector and the 8-pin (or 8+4-pin) CPU power connector from your power supply to the motherboard.
- Connect Peripherals: Connect SATA drives, front panel connectors (USB, audio, power/reset buttons, LEDs), and any other necessary cables.

Image: A top-down view of the MSI MAG B650 Tomahawk WiFi Motherboard, highlighting the CPU socket, RAM slots, and M.2 slots.

Image: A detailed view of the rear input/output (I/O) panel of the MSI MAG B650 Tomahawk WiFi Motherboard, showing various ports for connectivity.
Operating Instructions
Once all components are installed and connected, you can proceed with initial boot-up and system configuration.
- First Boot: Connect your monitor, keyboard, and mouse. Power on the system. The system should display the BIOS/UEFI screen.
- BIOS/UEFI Configuration:
- Press the designated key (usually Del or F2) during startup to enter the BIOS/UEFI setup.
- Configure boot order, enable XMP/EXPO for RAM, and adjust other settings as needed.
- Save changes and exit.
- Operating System Installation: Insert your operating system installation media (USB drive or DVD) and follow the on-screen prompts to install the OS.
- Driver Installation: After OS installation, install the latest drivers for the motherboard chipset, audio, LAN, Wi-Fi, and other components from the MSI website or the provided driver disk.
Maintenance
Regular maintenance helps ensure the longevity and stable operation of your motherboard.
- Dust Removal: Periodically clean dust from the motherboard and components using compressed air. Ensure the system is powered off and unplugged.
- BIOS/UEFI Updates: Check the MSI website for the latest BIOS/UEFI updates. Update only if necessary and follow MSI's instructions carefully to avoid system instability.
- Driver Updates: Keep your drivers updated to ensure compatibility and optimal performance.
- Cable Management: Ensure cables are neatly managed to improve airflow and prevent interference.
Troubleshooting
Common issues and their potential solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| System does not power on. | Loose power cables, faulty power supply, incorrect front panel connections. | Check all power connections. Test power supply. Verify front panel header connections. |
| No display output. | Incorrect monitor connection, faulty GPU, RAM not seated correctly. | Ensure monitor cable is securely connected. Reseat GPU and RAM modules. Test with integrated graphics if available. |
| System unstable or crashes. | Overheating, outdated drivers, incompatible RAM, corrupted OS. | Check CPU/GPU temperatures. Update drivers. Verify RAM compatibility and test modules individually. Reinstall OS if necessary. |
| Wi-Fi/Bluetooth not working. | Missing or outdated drivers, antenna not connected. | Install/update Wi-Fi/Bluetooth drivers. Ensure Wi-Fi antenna is securely connected to the rear I/O panel. |
For more detailed troubleshooting, refer to the official MSI support website or contact their customer service.
Specifications
- Brand: MSI
- Model Name: MAG
- Item Model Number: MSI MAG B650 Tomahawk
- CPU Socket: Socket AM5
- Compatible Processors: AMD Ryzen 7000 series
- Chipset Type: AMD B650
- RAM Memory Technology: DDR5
- Memory Storage Capacity: 128 GB (Max)
- Main Power Connector Type: 24-Pin
- Product Dimensions: 12 x 9.6 x 2.5 inches
- Item Weight: 3.63 pounds
- Connectivity: PCIe 4.0, M.2, SATA 6Gb/s, USB 3.2 Gen 2, HDMI/DP, Wi-Fi 6E, Bluetooth 5.2
Warranty and Support
This product is covered by Amazon Renewed's return policy, allowing for a refund or replacement within 90 days of purchase. Additionally, extended protection plans are available for purchase:
- 3-Year Protection Plan: Available for purchase.
- 4-Year Protection Plan: Available for purchase.
- Complete Protect: A monthly plan covering eligible past and future purchases.
For further assistance, please visit the MSI Official Website or the Amazon Renewed Store.
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