HP 15-r100 Ubuntu - Page 7

Removing a USB device ...26 Inserting and removing a digital storage card 27 Using optical drives ...28 Inserting an optical disc ...28 Tray-load ...28 Slot-load ...29 Removing an optical disc 29 Tray-load ...29 When the disc tray opens normally 29 When the disc tray fails to open normally 30 Slot-load ...31 7 Maintaining your computer ...32 Updating programs and drivers ...32 Cleaning your computer ...32 Cleaning procedures ...32 Cleaning the display (All-in-Ones or Notebooks 33 Cleaning the sides or cover 33 Cleaning the TouchPad, keyboard, or mouse 33 Traveling with or shipping your computer 33 8 Securing your computer and information ...35 Protecting the computer ...35 Using passwords ...35 Setting passwords in the operating system 36 Setting passwords in Setup Utility (BIOS) and Computer Setup 36 Managing an administrator password 36 Entering an administrator password 37 Managing a power-on password 37 Entering a power-on password 37 Using Internet security software ...37 Using antivirus software ...37 Using firewall software ...37 Securing your wireless network ...38 Backing up your software applications and information 38 Using an optional security cable lock 38 9 Using Setup Utility (BIOS) and HP PC Hardware Diagnostics (UEFI 40 Starting Setup Utility ...40 Using Setup Utility ...40 vii