How come my computer turns on but nothing shows up on the monitor?

by on June 10, 2012

Q: i jut got a new p 4 tower i brought it home and turned it on it worked fine later on i turned it back on nd the tower turns on but i get no ignl to monitor i tested monitor on my lap top and it is fine and i changed graphic card and still no pic


One Response to “How come my computer turns on but nothing shows up on the monitor?”
  1.  

    What is the model of the monitor? Check to see if it accepts multiple inputs, See if there is a way that you can change to see what input it is currently displaying.