HP ProBook 4740s Notebook-PC - Manual (Page 9)

13 MultiBoot ..................................................................................................................................................... 81
About the boot device order ............................................................................................................... 81
Enabling boot devices in Computer Setup ......................................................................................... 82
Considering boot order changes ........................................................................................................ 83
Choosing MultiBoot preferences ........................................................................................................ 84
Setting a new boot order in Computer Setup ..................................................................... 84
Dynamically choosing a boot device using the f9 prompt .................................................. 84
Setting a MultiBoot Express prompt .................................................................................. 85
Entering MultiBoot Express preferences ........................................................................... 85
Appendix A Troubleshooting and support .................................................................................................... 86
Troubleshooting .................................................................................................................................. 86
The computer is unable to start up .................................................................................... 86
The computer screen is blank ............................................................................................ 86
Software is functioning abnormally .................................................................................... 86
The computer is on but not responding ............................................................................. 87
The computer is unusually warm ....................................................................................... 87
An external device is not working ...................................................................................... 87
The wireless network connection is not working ................................................................ 87
The optical disc tray does not open for removal of a CD or DVD ...................................... 88
The computer does not detect the optical drive ................................................................. 89
A disc does not play ........................................................................................................... 89
A movie is not visible on an external display ..................................................................... 89
The process of burning a disc does not begin, or it stops before completion .................... 90
Contacting customer support ............................................................................................................. 90
Labels ................................................................................................................................................. 91
Appendix B Cleaning your computer ............................................................................................................. 92
Cleaning products .............................................................................................................................. 92
Cleaning procedures .......................................................................................................................... 93
Cleaning the display .......................................................................................................... 93
Cleaning the sides and cover ............................................................................................ 93
Cleaning the TouchPad and keyboard .............................................................................. 93
Appendix C Specifications .............................................................................................................................. 94
Input power ......................................................................................................................................... 94
Operating environment ....................................................................................................................... 95
Appendix D Electrostatic discharge .............................................................................................................. 96
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