| Testing an AC adapter | 64 | 
| Using battery power | 64 | 
| Displaying the remaining battery charge | 65 | 
| Finding battery information in Help and Support | 65 | 
| Using Battery Check | 65 | 
| Inserting or removing the battery | 65 | 
| Charging a battery | 66 | 
| Maximizing battery discharge time | 67 | 
| Managing low battery levels | 67 | 
| Identifying low battery levels | 67 | 
| Resolving a low battery level | 68 | 
| Resolving a low battery level when external power is available | 68 | 
| Resolving a low battery level when a charged battery is | 
 | 
| available | 68 | 
| Resolving a low battery level when no power source is | 
 | 
| available | 68 | 
| Resolving a low battery level when the computer cannot exit | 
 | 
| Hibernation | 68 | 
| Calibrating a battery | 68 | 
| Step 1: Fully charge the battery | 68 | 
| Step 2: Disable Hibernation and Sleep | 69 | 
| Step 3: Discharge the battery | 69 | 
| Step 4: Fully recharge the battery | 70 | 
| Step 5: Reenable Hibernation and Sleep | 70 | 
| Conserving battery power | 70 | 
| Storing a battery | 70 | 
| Disposing of a used battery | 71 | 
| Replacing the battery | 71 | 
| Shutting down the computer | 71 | 
| 6 Drives | 73 | 
| Identifying installed drives | 73 | 
| Handling drives | 73 | 
| Using external drives | 74 | 
| Improving hard drive performance | 76 | 
| Using Disk Defragmenter | 76 | 
| Using Disk Cleanup | 76 | 
| Replacing the hard drive | 77 | 
| 7 External devices and external media cards | 81 | 
| Using a USB device | 81 | 
| Connecting a USB device | 81 | 
| Removing a USB device | 82 | 
| Using Digital Media Slot cards | 83 | 
viii
