HP G72-b49WM Notebook PC User Guide - Windows 7 - Page 7

5 Power management Setting power options ...47 Using power-saving states 47 Initiating and exiting Sleep 48 Initiating and exiting Hibernation 48 Using the battery meter ...49 Using power plans ...49 Viewing the current power plan 49 Selecting a different power plan 49 Customizing power plans 49 Setting password protection on wakeup 50 Using external AC power ...51 Connecting the AC adapter 52 Testing an AC adapter ...53 Using battery power ...54 Finding battery information in Help and Support 54 Using Battery Check ...54 Displaying the remaining battery charge 55 Inserting or removing the battery 55 Charging a battery ...56 Maximizing battery discharge time 57 Managing low battery levels 57 Identifying low battery levels 57 Resolving a low battery level 58 Resolving a low battery level when external power is available ....... 58 Resolving a low battery level when a charged battery is available 58 Resolving a low battery level when no power source is available 58 Resolving a low battery level when the computer cannot exit Hibernation 58 Calibrating a battery ...58 Step 1: Fully charge the battery 58 Step 2: Disable Hibernation and Sleep 59 Step 3: Discharge the battery 60 Step 4: Fully recharge the battery 60 Step 5: Reenable Hibernation and Sleep 61 Conserving battery power 61 Storing a battery ...61 Disposing of a used battery 62 Replacing the battery ...62 Switching between graphics modes (select models only 63 Shutting down the computer ...64 vii