First you would have to specify what is wrong with it.
how to fix a 3ds charger port.
You buy a new one.
You can do two things, either one, you can contact technical support that specializes in 3DS to get them to fix it, or two, return the 3DS XL for a new one.
You do not need to fix this error. This was a temporary failure on the site, but the EShop is now working. This message should be gone.
You can call Nintendo at their support hotline and send it to them for them to fix. You'll get it fixed for free if your console is within warranty; otherwise, you'll have to pay money (how much it is depends on the country you live in) to get Nintendo to fix it for you.
It usually means you have an error with your 3ds. Check for when the error occurs, and for an error code, and go on nintendos help page on the Internet (try google) if you want to fix the error
Keep on attempting to switch it on or to leave it for a few minutes. Also try taking the Game Card out of the 3DS System.
To fix the "No Online Content Available" issue in PowerSaves for 3DS, first ensure that you have a stable internet connection and that your PowerSaves software is updated to the latest version. Next, verify that your 3DS is correctly linked to your PowerSaves device and try restarting both the software and your computer. If the problem persists, consider reinstalling the PowerSaves software or checking the official website for any server status updates or maintenance announcements.
The 3DS XL came after the 3DS.
Yes no metter what 3DS is a 3DS
There is no such thing as a 3DS DSi.
Answertake it to the best buy or call the company who make the mp3 player and ask it be fixAnswerif the screen is cracked, go to eBay or whatever and buy a new screen, and then you have to replace it. But replacing the screen is very hardactually, those are good ideas. here's another way to fix it. this is also the way i fixed my ds. you can go on to www.nintendo.com and you are able to ship your ds and have it fixed in about a week. but you might have to pay about 50 bucks or more... :(but they will also get rid of scratches. ;)