HP C500EU, C500T, C501NR, C501XX, C502CA, C502EA, C502EU, C502US, C502XX, C503WM, C504EA, C504EU, C504US, C506CA, C507US, C508US, C509NR, C540EA, C542EA, C550, C550XX, C551NR, C551XX, C552CA, C552US, C552XX, C554US, C555NR, C556CA, C557CL, C560US, C563NR, C567TU, C568LA, C568TU, C571NR, C581TU, C581WM, c500 Avoiding the Sleep state or Hibernation

Avoiding the Sleep state or Hibernation

CAUTION To prevent possible audio and video degradation, or loss of audio or video playback functionality, do not initiate Sleep or Hibernation while reading or writing to a CD or DVD.

To prevent loss of information, do not initiate Sleep or Hibernation when writing to a CD or DVD.

If Sleep or Hibernation is initiated during playback of drive media (such as a CD or DVD):

●Your playback may be interrupted.

●You may see a warning message asking if you want to continue. If this message is displayed, click No.

●You may need to restart the CD or DVD to resume audio and video playback.

ENWW	Optical drives 45

Contents

Page Page Table of contents 3 Power management 4 Drives 5 Multimedia 6 External Devices 7 Memory Modules Page 1 Notebook Tour Components Top components Keys TouchPad Buttons and switches Lights Display components Front components Rear components Right-sidecomponents Left-sidecomponents Bottom components Wireless antennae (select models only) Additional hardware components Labels Specifications Operating environment Rated input power 2 TouchPad and Keyboard TouchPad Using the TouchPad Using an external mouse Setting TouchPad preferences Keyboard Hotkeys Hotkey quick reference Hotkey procedures Displaying and clearing system information (fn+esc) Opening Help and Support (fn+f1) Opening the Print Options window (fn+f2) Opening a Web browser (fn+f3) Switching the screen image (fn+f4) Initiating Hibernation (fn+f5) Initiating QuickLock (fn+f6) Decreasing screen brightness (fn+f7) Increasing screen brightness (fn+f8) Playing, pausing or resuming an audio CD or a DVD (fn+f9) Stopping an audio CD or a DVD (fn+f10) Keypads Using the embedded numeric keypad Enabling and disabling the embedded numeric keypad Switching key functions on the embedded numeric keypad Using an external numeric keypad Enabling or disabling num lock mode as you work 3 Power management Setting power options Using power-savingstates Initiating and exiting Sleep Initiating and exiting Hibernation Using the battery meter Using power plans Viewing the current power plan Selecting a different power plan Customizing power plans Setting password protection on wakeup Using battery power Using Battery Health in Help and Support Displaying the remaining battery charge Inserting or removing the battery Charging a battery Managing low battery levels Identifying low battery levels Resolving a low battery level Calibrating a battery Step 1: Fully charge the battery Step 2: Disable Hibernation and Sleep Step 3: Discharge the battery Step 4: Fully recharge the battery Step 5: Reenable Hibernation and Sleep Conserving battery power Storing a battery Disposing of a used battery Using external AC power Connecting the AC adapter Shutting down the computer 4 Drives Drive care IDE drive light Hard drive Page Page Optical drives Inserting an optical disc Removing an optical disc (with power) Removing an optical disc (without power) Avoiding the Sleep state or Hibernation 5 Multimedia Multimedia hardware Using the optical drive Identifying the installed optical drive Inserting an optical disc Removing an optical disc (with power) Removing an optical disc (without power) Using media activity hotkeys Using the audio features Using the audio-in(microphone) jack Using the audio-out(headphone) jack Adjusting the volume Using the video features Using the external monitor port Using the S-Video-outjack Multimedia software Identifying preinstalled multimedia software Installing multimedia software from a CD (select models only) Using DVDPlay Using multimedia software Preventing playback disruptions Protecting the CD or DVD write process Changing DVD region settings Observing the copyright warning 6 External Devices Using a USB device Connecting a USB device Stopping a USB device Required USB software 7 Memory Modules Adding or replacing memory modules Page Page Index J jacks

HP Presario Avoiding the Sleep state or Hibernation

Models: C500EU C500T C501NR C501XX C502CA C502EA C502EU C502US C502XX C503WM C504EA C504EU C504US C506CA C507US C508US C509NR C540EA C542EA C550 C550XX C551NR C551XX C552CA C552US C552XX C554US C555NR C556CA C557CL C560US C563NR C567TU C568LA C568TU C571NR C581TU C581WM c500

Avoiding the Sleep state or Hibernation