Compaq Presario CQ42-400 Notebook PC User Guide - Windows 7 - Page 7

LightScribe DVD+R discs 42 Blu-ray Disc ...42 Playing a CD, DVD, or BD 42 Configuring AutoPlay ...44 Changing DVD region settings 44 Observing the copyright warning 45 Copying a CD or DVD ...45 Creating (burning) a CD or DVD 46 Removing an optical disc (CD, DVD, or BD 47 Removing the optical drive 48 Webcam (select models only) ...51 Webcam tips ...51 Adjusting webcam properties 52 Troubleshooting ...53 The optical disc tray does not open for removal of a CD, DVD, or BD 53 The computer does not detect the optical drive 54 A disc does not play ...55 A disc does not play automatically 55 A movie stops, skips, or plays erratically 56 A movie is not visible on an external display 56 The process of burning a disc does not begin, or it stops before completion 56 A DVD playing in Windows Media Player produces no sound or display 57 A device driver must be reinstalled 57 Obtaining the latest HP device drivers 58 Obtaining the latest Windows device drivers 58 5 Power management ...59 Setting power options ...59 Using power-saving states 59 Initiating and exiting Sleep 59 Initiating and exiting Hibernation 60 Using the battery meter ...60 Using power plans ...60 Viewing the current power plan 61 Selecting a different power plan 61 Customizing power plans 61 Setting password protection upon exiting Sleep or Hibernation 61 Using external AC power ...62 Connecting the AC adapter 62 Testing an AC adapter ...63 Using battery power ...63 Displaying the remaining battery charge 64 Finding battery information in Help and Support 64 vii