Still having problems? It is rare for the steps above not to correct the problem, but sometimes there are problems with drivers, system files or software conflicts that are ultimately the root of the problem. Unfortunately, these issues are a bit more complicated to fix.
If you run anti-virus software, you can try shutting it down and trying to connect the iPad to your computer. Anti-virus software is known to sometimes cause problems with other programs on your computer, but it is very important to restart the anti-virus software once you are done with iTunes.
Windows 7 users can use the Problem Steps Recorder to help troubleshoot the issue.
If you use Windows XP, there is a utility to inspect and repair your system files.