Evercade are VERY active in supporting their products.
The best place to get support is via the Official Evercade Support Page or on the Evercade Discord Chat.

The first thing you may want to do is to update to the latest firmware (the firmware is the console’s operating software).

Firmware 1.3.1 Now out – get it here.

Another things to do is RTFM (you might want to google that;) ).
The manual is available as a handy downloadable PDF here.

There is also some useful information in the Tips & Tricks page on this site.

If you need any more help , feel free to drop me an email through the contact me page, or send me a message via Twitter.