The tester diagnose and analy the mother board,CPU and VGA card.This card is also called POST( Power on self test ) Card.No need software.
?Run the tester and refer the number code (result of Post) to the error code table in the User Guide for the fault the code indicates. ?Especially when the PC can't boot operating system, or blank screen, or the card and motherboard couldn't issue an audible beep. ?Work on desktop or laptop computers. ?USB port for power, 10 pin port LPT for debug.