| Installing a hard drive | 56 | 
| Improving hard drive performance | 57 | 
| Using Disk Defragmenter | 57 | 
| Using Disk Cleanup | 57 | 
| 9 Security | 59 | 
| Protecting the computer | 59 | 
| Using passwords | 60 | 
| Setting passwords in Windows | 60 | 
| Setting passwords in Computer Setup | 61 | 
| Managing a BIOS administrator password | 61 | 
| Entering a BIOS administrator password | 62 | 
| Managing a Computer Setup DriveLock password | 62 | 
| Setting a DriveLock password | 63 | 
| Entering a DriveLock password | 64 | 
| Changing a DriveLock password | 64 | 
| Removing DriveLock protection | 64 | 
| Using Computer Setup Automatic DriveLock | 65 | 
| Entering an Automatic DriveLock password | 65 | 
| Removing Automatic DriveLock protection | 66 | 
| Using antivirus software | 66 | 
| Using firewall software | 66 | 
| Installing critical security updates | 67 | 
| Using HP Client Security | 67 | 
| Installing an optional security cable | 68 | 
| 10 Maintenance | 69 | 
| Adding or replacing memory modules | 69 | 
| Cleaning your computer | 71 | 
| Cleaning procedures | 72 | 
| Cleaning the display  | 72 | 
| Cleaning the sides or cover | 72 | 
| Cleaning the TouchPad, keyboard, or mouse | 72 | 
| Updating programs and drivers | 73 | 
| Using SoftPaq Download Manager | 73 | 
| 11 Backup and recovery | 75 | 
| Backing up your information | 75 | 
| Performing a system recovery | 75 | 
| Using the Windows recovery tools | 76 | 
| viii | ENWW | 
