Monitor

when you open your pc now,do you still hear a click sounds like you hear before ,when your computer has no problem yet? now there is no sounds .do the ff..
1.try to press the numlock key and observe it ,if the indicator LED lite on and off,the problem of your computer is your video card,
2.if you can't hear anything, when you open your unit and the indicator of your monitor goes the color orange,pls..check your memory .clean the memory and the memory slots using the contact cleaner .before you replace a new memory.
3. and try to use a another monitor,maybe your monitor has the problem