ivGeneral Guidelines........................................................... 7-4Cleaning Guidelines ......................................................... 7-5Battery Pack Guidelines ................................................... 7-5When Traveling.................................................................... 7-6Chapter 8 Troubleshooting.................................................8-1Preliminary Checklist ........................................................... 8-2Solving Common Problems.................................................. 8-3Battery Problems.............................................................. 8-4Bluetooth Problems.......................................................... 8-4Display Problems ............................................................. 8-5Hardware Device Problems.............................................. 8-6Hard Disk Drive Problems ............................................... 8-6Keyboard, Mouse, and Touchpad Problems .................... 8-7LAN Problems ................................................................. 8-7WLAN Problems.............................................................. 8-8Modem Problems ............................................................. 8-9PC Card Problems .......................................................... 8-10Power Management Problems........................................ 8-10Software Problems ......................................................... 8-11Sound Problems ............................................................. 8-11Startup Problems ............................................................ 8-12Other Problems............................................................... 8-12Resetting the Computer ...................................................... 8-13Appendix A Specifications ................................................... A-1Appendix B Regulatory Information .................................... B-1On the Use of the System.....................................................B-2Class B Regulations .........................................................B-2Safety Notices ..................................................................B-3On the Use of the RF Device................................................B-6USA and Canada Safety Requirements and Notices........B-6European Union CE Marking and Compliance Notices ..B-9电子信息产品有毒有害物质或元素名称及含量标示....B-13