Gaming Motherboard B550 AM4 APU Ryzen PCIE 4.0 XMP 3800MHz Dual Graphical Port Computer Board Item Type: Gaming Motherboard Material: Printed Circuit Board Model: SOYO B550M Built-in Battery: CR2032 Button Battery (built-in Battery) Battery Capacity: 240mAh Plate Type: M-ATX Chipset: for AMD B550 Chip Cpu Support: Support for AMD Am4 Socket Apu and for AMD Ryzen Processor Memory Support: Support Dual-channel DDR4 Memory (XMP3800) Network Card Chip: for Realtek RTL8111 Gigabit Network Card Integrated Graphics: CPU Built-in Display Chip (APU Only, Ryzen Has No Display Chip) Extended Support: Disk Interface: 4 X SATAIII Interface; 1 x M.2 Interface (SATAIII/PCI-E Standard) Graphics Card Slots: 2 PCI-E Graphics Card Slots Other Slots: 1 PCI-E X1 Slot I/O Interface: PS/2 Interface: 1 Keyboard and Mouse Universal Usb Interface: 2 X USB3.0 Interface; 4 X USB2.0 Interface Audio Interface: 6-Channel Audio Video Interface: VGA, High-Definition Multimedia Interface Extension Pins: 4 USB2.0, 2 USB3.0 Other Parameters: Power Interface: 24 Pin + 8 Pin Power Supply Mode: 6 Phases Features: Support Overclocking, PCIE 4.0 M.2 High-speed Interface, Graphics Card Slot, 2 DDR4 Memory Slots, Six-phase Power Supply Does Not Boot When I Press the Power Button to Start the Computer, the Fan and Q-LED Indicator/Q-CODE Have No Response. Please Follow the Instructions Below to Troubleshoot 1. Follow the Above Troubleshooting Steps to Confirm the Motherboard Power Supply to Confirm Whether the Power Adapter is Correctly Plugged into the ATX Power Interface 2. Keep the CPU, CPU Radiater Fan and a Separate RAM Display on the Motherboard. Remove All USB Devices and External Cards from the Motherboard, Including Mice, Keyboards, Card Readers, Flash Drives, External Hard Drives, and External PCI-E Cards. Remove All Cables from the Motherboard, Including Network Cables, Audio Cables and Display Cables (HDMI/VGA/DVI/DP). then Try to Turn on the Computer. if It Can Be Turned on Normally, Maybe the Problem Comes from the Removed External Device. Reconnect the External Devices One by One Until It is Determined Which External Device or Wire is Causing the Problem. 3. Try to Clear CMOS.