The computer is unusually warm ....................................................................................... 95
An external device is not working ...................................................................................... 95
The wireless network connection is not working ................................................................ 96
The optical disc tray does not open for removal of a disc .................................................. 97
The computer does not detect the disc drive ..................................................................... 98
A disc does not play ........................................................................................................... 99
The process of burning a disc does not begin, or it stops before completion .................. 100
Contacting customer support ........................................................................................................... 100
Appendix B Cleaning your computer ........................................................................................................... 101
Cleaning the display ......................................................................................................................... 101
Cleaning the sides and cover ........................................................................................................... 101
Cleaning the TouchPad and keyboard ............................................................................................. 101
Appendix C Traveling with the computer .................................................................................................... 102
Appendix D Updating programs and drivers .............................................................................................. 104
Appendix E Electrostatic Discharge ............................................................................................................ 105
Appendix F Specifications ............................................................................................................................ 106
Input power ....................................................................................................................................... 106
DC plug of external HP power supply .............................................................................. 106
Operating environment ..................................................................................................................... 107
Index ................................................................................................................................................................. 108
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