There are a lot of things that can go wrong. Bad solder joints are pretty common. Tin whiskers are pretty exotic. Just about any part can fail. Unless you dropped it, the crystal should not be a particular problem.
If you can't connect to it via USB, it's a brick..
If you have a 'scope you can dig into troubleshooting it. Without one you are more or less flying blind.
If you can't connect to it via USB, it's a brick..
If you have a 'scope you can dig into troubleshooting it. Without one you are more or less flying blind.