If you cannot login to your Tube 2H or 2HP, check to ensure you have the LAN cable going from your PC into the LAN port of the Tube power supply, and the other LAN cable going from the PoE port to the Tube. If the cables are hooked up wrong, reverse them to correct.If the cables are correct, you may need to set a manual IP address on your computer to access the Tubes. For Windows 10, at the bottom of your screen type COMMAND into the search box and open Command Prompt from the search results. In the Command Prompt window, type ipconfig and hit enter. Look for your Ethernet Adapter, Local Area Connection in the results and find its IPv4 address. If this number begins with 169.254 you need to set a manual IP.Go to your Control Panel and go to Network and Internet. Open Network and Sharing Center. Click Change Adapter Settings on the left side menu. Locate your Ethernet icon, and click it once to highlight, then right-click and select Properties.In the Properties window, click on Internet Protocol Version 4 (TCP/IPv4) in the list to highlight it, then click the Properties button. In the first section, click "Use the following IP address". In the IP address box enter 192.168.2.103In the third box called Default Gateway, enter 192.168.2.1The Subnet Mask box should autofill with 255.255.255.0When done, click OK. Now remove and reinsert the Ethernet cable to your computer. Wait about 20 seconds and try to login to the Tube again.