iiiBT Wireless Transmission Problems .................................... 60Display Problems.................................................................. 61Hardware Device Problems ................................................. 61Power Management Problems ........................................... 62Sensor Problems (for Windows 8 Models Only) ................ 62Software Problems .............................................................. 63Sound Problems ................................................................... 64Startup Problems ................................................................. 64WAN Problems ..................................................................... 64Other Problems .................................................................... 66Resetting the Tablet PC ........................................................... 67System Recovery....................................................................... 68System Restore, Refresh, or Reset (for Windows 8Models)................................................................................. 68System Recovery (a Tool for Windows 7 Models).............. 69Appendix A Specifications ................................................................. 71Appendix B Regulatory Information................................................. 73On the Use of the System ........................................................ 74Class B Regulations .............................................................. 74ANSI Warning....................................................................... 75Safety Notices....................................................................... 76On the Use of the RF Device.................................................... 78USA and Canada Safety Requirements and Notices.......... 78European Union CE Marking and Compliance Notices..... 80User Notification of Take-back Service................................... 82ENERGY STAR ........................................................................... 83