HP Compaq Presario CQ56-110US Notebook PC - Manual (Page 8)

The computer is on but not responding ............................................................................. 59
The computer is unusually warm ....................................................................................... 59
An external device is not working ...................................................................................... 59
The wireless network connection is not working ................................................................ 60
The optical disc tray does not open for removal of a CD ................................................... 60
The computer does not detect the optical drive ................................................................. 61
A disc does not play ........................................................................................................... 61
A movie is not visible on an external display ..................................................................... 61
The process of burning a disc does not begin, or it stops before completion .................... 62
Contacting customer support ............................................................................................................. 62
Labels ................................................................................................................................................. 63
Appendix B Routine care
Cleaning the display ........................................................................................................................... 65
Cleaning the TouchPad and keyboard ............................................................................................... 66
Appendix C Specifications
Input power ......................................................................................................................................... 67
Operating environment ....................................................................................................................... 67
Appendix D Electrostatic discharge
Index ................................................................................................................................................................... 70
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