My brother's hp desktop computer won't power up and doesn't make any noise

[gp2096]

My brother desktop won't turn. We bought it recently and I know it isn't to do with the power because the monitor will turn on, but whenever we press the power button, it makes no sound.

[Chimney_83]

Greetings @gp2096, 

Thanks for the post, 

I understand that your desktop is not powering On. 

Not to worry, I will be glad to help. 

Have you tried any troubleshooting steps on our own?

Recommend you to try this interactive guided troubleshooter and let me know how it goes.  Click here. 

Keep me posted.