Laptop black screenClosed

Question

My Laptop, when i turn it on, the screen become black and even i tried to hit most of key for CMOS, still got the result.
I tried to removed RAM, clean ram slot and put it back. still not working and even i didn't put the RAM back and turn machine on but no beep sound alrert.
I don't know exaclty what is the real problem? 
It's maybe mainboad problem or VGA? 
Regards,

aks47 · Answer

It might be the operating system problem. put the OS cd and check if you are able to recover the system.

VeasnaYim · Answer

I think not cause by Operating System because even i tried to hit key to go to CMOS, i still can't go the CMOS and also if the operation system, why i didnt see the message related O.S missing? 
Regards,

aks47 · Answer

Correct, but the only way I think to check if the OS does not have any problem is to boot the computer the OS cd. You might get the other options.

VeasnaYim · Answer

Also even i tried to take the RAM out of the computer, and on the computer and i still not get the beep sound alert.

Ambucias · Answer

VeasnaYim,

Have you tried plugging to an external monitor ?

If you do, and get nothing, it's a graphic card problem.

If you get something, the laptop screen is faulty, either the lamps or the inverter.

Regards

VeasnaYim · Answer

Yeah, I already did plugging to external monitor it's not working.
Yes, the last way i thought maybe Graphic related is the most.

Laptop black screen

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