HP ProBook 440 G0 Notebook PC - Manual (Page 9)

Setting a MultiBoot Express prompt .................................................................................. 69
Entering MultiBoot Express preferences ........................................................................... 69
Appendix A Troubleshooting and support .................................................................................................... 70
Troubleshooting .................................................................................................................................. 70
The computer is unable to start up .................................................................................... 70
The computer screen is blank ............................................................................................ 70
Software is functioning abnormally .................................................................................... 70
The computer is on but is not responding .......................................................................... 70
The computer is unusually warm ....................................................................................... 71
An external device is not working ...................................................................................... 71
The wireless network connection is not working ................................................................ 71
The optical disc tray does not open for removal of a CD or DVD ...................................... 72
The computer does not detect the optical drive ................................................................. 73
A disc does not play ........................................................................................................... 73
A movie is not visible on an external display ..................................................................... 73
The process of burning a disc does not begin, or it stops before completion .................... 74
Contacting customer service .............................................................................................................. 74
Labels ................................................................................................................................................. 75
Appendix B Cleaning your computer ............................................................................................................. 76
Cleaning products .............................................................................................................................. 76
Cleaning procedures .......................................................................................................................... 76
Cleaning the display .......................................................................................................... 76
Cleaning the sides and cover ............................................................................................ 76
Cleaning the TouchPad and keyboard .............................................................................. 77
Appendix C Specifications .............................................................................................................................. 78
Input power ......................................................................................................................................... 78
Operating environment ....................................................................................................................... 78
Appendix D Electrostatic discharge .............................................................................................................. 79
Index ................................................................................................................................................................... 80
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