I messed up during the install on my dsi and freaked out and wiped my memory card and also forgot to backup my dsi. So I’m now left with a “broken and grounded” dsi. Please help

Can you describe this a little more? What happens when turning on?I messed up during the install on my dsi and freaked out and wiped my memory card and also forgot to backup my dsi. So I’m now left with a “broken and grounded” dsi. Please help