Ensure that the BF1500 Controller Card is placed correctly
Make sure the BF1500 Controller Card slot and the BF1500 Controller Card are compatible
Install the BF1500 Controller Card in a different PCI Express slot
Use the drivers that came with the BF1500 Controller Card or download the latest
Make sure your motherboard has the latest BIOS
Try to reboot the server
The BF1500 Controller Card no longer works
Reseat the BF1500 Controller Card in its slot or a different slot, if necessary
Try using another cable
Reinstall the drivers for the network driver files may be damaged or deleted
Reboot the server
BF1500 Controller Cards stopped working after installing another BF1500 Controller Card
Try removing and re-installing all BF1500 Controller Cards
Check that cables are connected properly
Make sure your motherboard has the latest BIOS
Link indicator light is off
Try another port on the switch
Make sure the cable is securely attached
Check you are using the proper cables that do not exceed the recommended lengths
Verify that your switch and BF1500 Controller Card port are compatible
Link light is on, but with no communication established
Check that the latest driver is loaded
Check that both the BF1500 Controller Card and its link are set to the same speed and duplex settings
