HP ProBook 4435s User Manual page 9

Setting a MultiBoot Express prompt .................................................................................. 82
Entering MultiBoot Express preferences ........................................................................... 82
Appendix A Troubleshooting and support .................................................................................................... 83
Troubleshooting .................................................................................................................................. 83
The computer is unable to start up .................................................................................... 83
The computer screen is blank ............................................................................................ 83
Software is functioning abnormally .................................................................................... 84
The computer is on but not responding ............................................................................. 84
The computer is unusually warm ....................................................................................... 84
An external device is not working ...................................................................................... 84
The wireless network connection is not working ................................................................ 85
The optical disc tray does not open for removal of a CD or DVD ...................................... 85
The computer does not detect the optical drive ................................................................. 86
A disc does not play ........................................................................................................... 86
A movie is not visible on an external display ..................................................................... 86
The process of burning a disc does not begin, or it stops before completion .................... 87
Contacting customer support ............................................................................................................. 87
Labels ................................................................................................................................................. 88
Appendix B Cleaning your computer ............................................................................................................. 89
Cleaning products .............................................................................................................................. 89
Cleaning procedures .......................................................................................................................... 90
Cleaning the display .......................................................................................................... 90
Cleaning the sides and cover ............................................................................................ 90
Cleaning the TouchPad and keyboard .............................................................................. 90
Appendix C Specifications .............................................................................................................................. 91
Input power ......................................................................................................................................... 92
Operating environment ....................................................................................................................... 93
Appendix D Electrostatic discharge .............................................................................................................. 94
Index ................................................................................................................................................................... 95
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