Check cable going to monitor, move it from one side to another, check it for connection.
Check cable going to computer (same procedure)
Try to remove video card and place one more time in the same slot (if you understand this)
If nothing happens, try to connect other monitor.
If situation never changes, take all computer and go to place where you bought it.
i am a student of diploma in electronics and telecomm
can anyone suggest me projects related to the below domains:-
electrical and electronics