Magewell Generation 2 cards have blue LED lights on each Input that display different behaviors to indicate a particular status.
This can be extremely helpful while troubleshooting a problem within your A/V environment.
Status Light Behaviors:
OFF = No Power
Breathing = No Signal
ON = Input Signal Locked
Blink = Hardware start error
Double Blink = Hardware verify error
usually an indication that the card is not correctly seated within the PCI-E slot
the motherboard PCI-E slot is malfunctioning or not providing enough power
invalid signal outside the compatible resolution and or frame rates
faulty cable, adapter, switcher or replicator
Signal is valid
Magewell driver failed to load properly. Rebooting the unit or reinstalling driver will be necessary
Card is malfunctioning and will need to be replaced