For all network connection types

Make sure that:

• Your computer is connected to the network.
• The target device is connected to the network.
• The target device is powered on.
• The discovery has not been interrupted by any security software, or Windows Firewall.
• The target device meets the discovery conditions and criteria.
• The target device is within the reach of the broadcast packet. If it is not, you may need to try the unicast search, or use the BRAgent software.

For USB-connected devices

Make sure that:

• The target device is connected to the USB interface.
• The target device is not busy.