My dell Inspiron 660 won't turn on !!!

Hello my dell is a desktop pc and it won't turn on I know it has power because the fan still works but it won't power up please help

Nitro207

Assuming that you have the Inspiron 660 Mini Tower and not the 660s Compact version.

There should be a series of beeps during start-up, how many are there?

 Please read this article about Troubleshooting the Inspiron 660:

https://www.dell.com/support/Article/us/en/19/554101/EN

Bev.