I received my base unit and an add-on hashing unit today. I have both powered by a external server power supply. The external unit was attached to the main unit. The external unit's front LED started flashing right away, but no lights from the main unit's front LED. I have an ethernet cable plugged into the base unit and it's lights were flashing, but nothing ever displayed on the HDMI display. I let if it boot for several minutes and the main unit got warm - fan was working and I could see one RED and one green (flashing) LEDs on the main units hashboard. This matched what LED's were lit on the add-on hashing unit. I checked my router and saw no new DHCP devices getting an address. The cable & switch port worked with a PC before moving the cable to the Apollo BTC.
Any thoughts?
Are the yellow LEDs on the bottom flashing rapidly? This means its connected to your network and hashing.
If so you need to do double check your router or IP scanner, one of the IPs is the Apollo.
For monitor out issues, try powering off your display and power it back on when its connected to HDMI port on the Apollo, this has worked on some displays we tested. Some displays won't work at all, so try another display if you have one or your TV and see if it works that way.
Right now, the Ethernet port only has the green light flashing. On the bottom of the SBC, I have a green led (near the side of the ports) and there is a red LED in the corner by the M.2 drive card.
I will check the monitor next - have to go find a long HDMI cable and/or another monitor.