Do not be alarmed when this happens, because 2012 has passed, the end of the world has not come, say this is the notebook is not Samsung s7, will not explode, let us use scientific methods to solve it.

       Laptop black screen, generally have the following aspects of the situation:

1, after the boot issued a "Didi" continuous tone, black screen, this is a fatal system error, can not continue, the horn alarm, indicating that the memory is damaged, or finger memory pollution, or dust in the memory tank too much.

2, after the boot issued a "beep" continuous tone, black screen, CPU surface no fever, or significantly lower heat, the motherboard is generally the voltage regulator damage.

3, boot power and CPU fan are normal, but the screen without any reflection, and no self-test sound. Taking into account the machine using SLOT1 structure, should be easy to contact CPU poor, reloading can be normal.

Useless?

       This time can only apply for ThinkPad sales, so that professionals to help solve the problem.