Specification: Item Type: H61M Motherboard Material: Printed Circuit Board Motherboard Architecture: M-ATX Main Board Size: Approx. 190 x 170mm / 7.48 x 6.69in CPU Slot Type: LGA 1155 (core I7 I5 I3) Network Card: 100Mbit/s Network Card Graphics Card Slot: PCI-E 8X x 1 Supported Memory Types: DDR3 x 2 Sata Interface: SATA2.0 x 4 Usb Port: Usb2.0 x 6+ Front Usb3.0 Pin x 1+ Front Usb2.0 Pin x 1 Sound Card: 5.1 Sound Channel Maximum Memory Capacity: 16GB Power Interface: 24 Pin x 1, 4 Pin x 1 Expansion Interface: VGA, HD Multimedia Interface, PCI-E 1X x 1 Battery Type: CR2032 Button Battery (Inbuilt Battery) Battery Capacity: 240mAh Suitable For: Desktop Package List: 1 x H61M Motherboard 1 x SATA Cable 1 x Baffle Note: When the fan and Q‑LED indicator/Q‑CODE do not respond when the power button is pressed to start the computer, please follow the instructions below to troubleshoot the problem1. Follow the troubleshooting steps above to confirm that the power adapter is properly plugged into the ATX power connector for the motherboard's power supply2. Keep the CPU, CPU cooler 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, etc. 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 turns on properly maybe the problem comes from the removed external devices. Reconnect the external devices one by one until you determine which external device or cable is causing the problem.3. try to clear CMOS