If your operating system is having difficulty recognizing or installing your PowerLab, you may benefit from a re-installation of the PowerLab driver for Windows. To perform this re-installation, follow the steps listed below:
1. Open Internet Explorer v6 or later.2. Navigate to http://catalog.update.microsoft.com (you may be asked to install a plugin in order to access the site).3. After installing the plugin and opening the Microsoft Update Catalog, search for "PowerLab"4. Find the driver called "ADInstruments - Other hardware - ADInstruments
PowerLab" and click Add.6. Download the driver onto the computer and un-pack the contents of the driver by right-clicking and choosing "Extract."
After following these steps, your PowerLab should be recognized when it is plugged into the computer via the USB.