HP ZBook 15 Mobile manual 9

Setting a new boot order in Computer Setup .....................................................................	67
Dynamically choosing a boot device using the f9 prompt ..................................................	68
Setting a MultiBoot Express prompt ..................................................................................	68
Entering MultiBoot Express preferences ...........................................................................	68
Appendix A Troubleshooting and support ....................................................................................................	69
Troubleshooting ..................................................................................................................................	69
The computer is unable to start up ....................................................................................	69
The computer screen is blank ............................................................................................	69
Software is functioning abnormally ....................................................................................	69
The computer is on but is not responding ..........................................................................	69
The computer is unusually warm .......................................................................................	70
An external device is not working ......................................................................................	70
The wireless network connection is not working ................................................................	70
The computer does not detect the optical drive .................................................................	71
A disc does not play ...........................................................................................................	71
A movie is not visible on an external display .....................................................................	71
The process of burning a disc does not begin, or it stops before completion ....................	72
Contacting support .............................................................................................................................	72
Labels .................................................................................................................................................	73
Appendix B Cleaning your computer .............................................................................................................	75
Cleaning products ..............................................................................................................................	75
Cleaning procedures ..........................................................................................................................	75
Cleaning the display ..........................................................................................................	75
Cleaning the sides or cover ...............................................................................................	75
Cleaning the TouchPad, keyboard, or mouse ...................................................................	76
Appendix C Specifications ..............................................................................................................................	77
Input power .........................................................................................................................................	77
Operating environment .......................................................................................................................	77
Appendix D Electrostatic discharge ..............................................................................................................	78

ix