HP ENVY 15-k016nr User Guide - Windows 7 - Page 9

Resolving a low battery level 39 Resolving a low battery level when external power is available 39 Resolving a low battery level when no power source is available 39 Resolving a low battery level when the computer cannot exit Hibernation ....... 39 Storing a user-replaceable battery 39 Disposing of a user-replaceable battery 39 Replacing a user-replaceable battery 40 Running on external AC power ...40 Troubleshooting power problems 40 HP CoolSense ...41 Shutting down the computer ...41 Hybrid Graphics and AMD Dual Graphics (select models only 42 Using Hybrid Graphics (select models only 42 Using AMD Dual Graphics (select models only 43 7 Maintaining your computer ...44 Improving performance ...44 Handling drives ...44 Using HP 3D DriveGuard (select models only 44 Identifying HP 3D DriveGuard status 45 Using Disk Defragmenter 45 Using Disk Cleanup ...45 Updating programs and drivers ...45 Cleaning your computer ...46 Cleaning procedures ...46 Cleaning the display (All-in-Ones or Notebooks 46 Cleaning the sides or cover 46 Cleaning the TouchPad, keyboard, or mouse 47 Traveling with or shipping your computer 47 8 Securing your computer and information ...49 Using passwords ...49 Setting Windows passwords 50 Setting Setup Utility (BIOS) passwords 50 Using the fingerprint reader (select models only 50 Using HP SimplePass (select models only 51 Registering fingerprints 51 Using your registered fingerprint to log on to Windows 51 Using Internet security software ...51 Using antivirus software ...51 Using firewall software ...52 ix