HP Presario CQ40-400 - Notebook PC User Manual page 4

6 Webcam
Webcam tips ....................................................................................................................................... 27
Adjusting webcam properties ............................................................................................................. 28
7 Troubleshooting
The optical disc tray does not open for removal of a CD or DVD ....................................................... 30
The computer does not detect the optical drive ................................................................................. 31
A disc does not play ........................................................................................................................... 32
A disc does not play automatically ..................................................................................................... 33
A DVD movie stops, skips, or plays erratically ................................................................................... 33
A DVD movie is not visible on an external display ............................................................................. 34
The process of burning a disc does not begin, or it stops before completion .................................... 35
A DVD playing in Windows Media Player produces no sound or display ........................................... 35
A device driver must be reinstalled .................................................................................................... 36
Obtaining the latest HP device drivers ............................................................................... 36
Obtaining the latest Windows device drivers ..................................................................... 37
Index ................................................................................................................................................................... 38
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