HP 20-k120us Mobile, 20-k127cl Mobile, 20-k014us Mobile manual Wireless connection problems Vii

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Using Disk Cleanup	31
Using Disk Defragmenter	31
Updating programs and drivers	31
Cleaning your computer	32
Cleaning products	32
Cleaning procedures	32
Cleaning the display	32
Cleaning the sides and cover	32
Cleaning the keyboard	32
Using security measures	33
Setting Windows passwords	33
Setting Setup Utility (BIOS) passwords	34
Using Internet security software	34
Installing software updates	34
Installing Windows updates	34
Updating software	35
9 Using Setup Utility (BIOS) and HP PC Hardware Diagnostics (UEFI)	36
Starting Setup Utility (BIOS)	36
Updating the BIOS	36
Determining the BIOS version	36
Downloading a BIOS update	37
Using HP PC Hardware Diagnostics (UEFI)	37
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device	38
10 Backing up, restoring, and recovering	39
Creating recovery media and backups	39
Creating HP Recovery media	40
Restore and recovery	41
Using Windows Refresh for quick and easy recovery	42
Remove everything and reinstall Windows	42
Recovering using HP Recovery Manager	43
What you need to know	43
Using the HP Recovery partition (select models only)	43
Using HP Recovery media to recover	44
Changing the computer boot order	44
Removing the HP Recovery partition	44
11 Troubleshooting	46
Wireless connection problems	46

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Contents User Guide Product notice Safety warning notice Iv Safety warning notice Table of contents Performing routine maintenance Wireless connection problems Vii Input power Operating specifications Best practices Starting rightFun things to do More HP resources Resource ContentsMore HP resources Locating hardware Getting to know your computerFinding your hardware and software information FrontRight side Right sideEnvironmental Notices Left side Top BackLabels BottomIdentifying the labels Using an Internet service provider Connecting to a networkConnecting to a wireless network Using the wireless controlsConfiguring a wireless router Setting up a WlanProtecting your Wlan Connecting to a Wlan Connecting to a local area network LAN Connecting to a wired networkUsing audio Enjoying entertainment featuresVolume control Using the webcamAccessing Beats Audio Using videoConnecting headphones Using Beats AudioUsing touch screen gestures Navigating using the keyboard and pointing devicesOne-finger slide Scrolling TappingRotating select models only Pinching/stretchingEdge swipes Left-edge swipe Right-edge swipeTop-edge swipe and bottom-edge swipe Fn key Using the keyboardIcon Key Description Using the action keysUsing the integrated numeric keypad Using Microsoft Windows 8 shortcut keysNum lock key Manually initiating and exiting Sleep Managing powerInitiating Sleep and Hibernation Intel Rapid Start Technology select models onlyHP CoolSense select models only Setting password protection on wakeupManually initiating and exiting Hibernation Shutting down turning off the computer Managing and sharing information Using a USB deviceRemoving a USB device Connecting a USB deviceInserting and removing a memory card Maintaining peak performance Performing routine maintenanceUsing Disk Cleanup Using Disk DefragmenterCleaning products Cleaning your computerCleaning procedures Setting Windows passwords Using security measuresInstalling Windows updates Setting Setup Utility Bios passwordsUsing Internet security software Installing software updatesUpdating software Updating the Bios Starting Setup Utility BiosDetermining the Bios version Downloading a Bios update Using HP PC Hardware Diagnostics UefiDiagnostic section, click HP Uefi Support Environment Downloading HP PC Hardware Diagnostics Uefi to a USB deviceCreating recovery media and backups Backing up, restoring, and recoveringCreating HP Recovery media Restore and recovery Remove everything and reinstall Windows Using Windows Refresh for quick and easy recoveryUsing the HP Recovery partition select models only Recovering using HP Recovery ManagerWhat you need to know Using HP Recovery media to recover Removing the HP Recovery partitionChanging the computer boot order Page Cannot connect to a preferred network TroubleshootingWireless connection problems Cannot connect to a WlanCurrent network security codes are unavailable Cannot connect to the wireless routerComputer will not turn on or start Power problemsHard drive error Network status icon is not displayedComputer shuts down unexpectedly Display problemsKeyboard and mouse problems Computer is not respondingPage No sound is produced Audio problemsSoftware problems Input power SpecificationsOperating specifications Electrostatic Discharge Index Bios

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