FAQs - Embedded and Industrial Computing Why does HDMI have no sound in Windows on the LEC-2000, 7000 or VES-300 series systems? Why cannot the system (LEC-2000, 7000, VES-300 series) detect Mini-PCIe Wi-Fi or 3G module? The system fails to power up and the power LED turns red. How to configure the boot up device in the LEC-2000, 7000, VES-3000 series systems? The system (LEC-2000, 7000, VES-300 series) gives long beep sound when it powers up.