SIR, PLEASE GIV ME THE BEST SOLUTION FOR FOLLOWING PROBLEM WITH MY LENOVO 3000 Y410 LAPTOP (WITH XP AS O.S. ) ON MY [email protected] AS EARLY AS POSSIBLE. SIR, MY LAPTOP SCREEN STAYS BLACK AFTER TURNING ON IT.IT DOESN?T DISPLAY XP CD ALSO.

You can't even get into the BIOS. Hard drive failure?
Here's what the manual say's about black screen.

Verify that: The monitor cable is securely attached to the rear of the monitor and to the rear of the computer.
The monitor power cord is plugged into the monitor and into a working electrical outlet.
The monitor is turned on and the brightness and contrast controls are set correctly.
The voltage is set to the correct setting for your country.
The monitor signal cable is securely connected to the monitor and to the monitor connector on the computer
.Note: If your computer has two monitor connectors, verify that your monitor is connected to the one in the AGP option connector rather than the one in the rear of the system board.

If you can check the monitor by using another monitor.
I suspect hard drive failure. Keep me informed on what you tried and I'll keep checking to come up with solution.