RG35XXH stuck on boot

Bought a RG35XXH about 6 months ago then moved to another city first time booting up and it's stuck at the boot screen what are my next steps? Should I get a new SD? And where can I get an image to flash into this?

Thanks for any help I'm new to all of this.

Bought a RG35XXH about 6 months ago then moved to another city first time booting up and it's stuck at the boot screen what are my next steps? Should I get a new SD? And where can I get an image to flash into this?

Thanks for any help I'm new to all of this.