Right click Computer & click Manage, click Device Manager to see the list of hardware
to make sure LD2000 card is correctly installed without any errors
remove the LD2000, clean the card's terminal by rubbing it with an eraser & blow the PCI
slot that u mount the card to make sure its clean, fix it all back & try running it again,
if the same problem came out, try to take another card to test it with ur PC,
if it works, that card gotta be repaired
