my pc which is only 2 years old and which runs smoothly is now showing problems to start after starting it shuts down unexpect

[vedant biswas]

my pc which is only 2 years old and which runs smoothly is now showing problems to start after starting it shuts down unexpectedly and when is turned on again ithe CPU makes a sound and the monitor shows no signal and when turned on again after some time or one or two days it starts and the window shows a dialogue box with written on it that the windows has discovered an unexpected shut down and then turns of again so please sort out my problem i will be very gratefull to you

 

[maxtaylor]

What are your pc specs?