The driver software may not have been installed correctly. Perform the following steps to delete the driver software and then reinstall it. This may solve the problem.

1. Click the [Start] button, right-click on the [My Computer] icon and click [Properties].
2. On the [System Properties] screen, click the [Hardware] tab and click the [Device Manager] button.
3. Expand the [Universal Serial Bus controllers] listing in the tree and look for an entry called [USB Composite Device] with a yellow exclamation mark next to it.
4. If there is such an entry, right-click on it and select [Uninstall].
5.On the [Action] menu of Device Manager, click [Scan for hardware changes]. The H2 will be recognized automatically, and you can install the driver software again.

If there is no entry with a yellow exclamation mark next to it, try restarting the computer and attempt the procedure again. If it still doe snot work, then contact Technical Support.