HP dv7-7135us, B5R45UA manual Using System Diagnostics

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NOTE: After a message on the screen reports a successful installation, you can delete the downloaded file from your hard drive.

Using System Diagnostics

System Diagnostics allows you to run diagnostic tests to determine if the computer hardware is functioning properly.

To start System Diagnostics:

1.Turn on or restart the computer. While the “Press the ESC key for Startup Menu” message is displayed in the lower-left corner of the screen, press esc. When the Startup Menu is displayed, press f2.

2.Click the diagnostic test you want to run, and then follow the on-screen instructions.

NOTE: If you need to stop a diagnostics test while it is running, press esc.

Using System Diagnostics 73

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Contents User Guide Software terms Product noticeSafety warning notice Iv Safety warning notice Table of contents Using Sleep or Hibernation Managing and sharing information Securing your computer and information Input power Operating environment Page Best practices Starting rightFun things to do More HP resources Resource ContentsComponent Description Getting to know your computerFinding your hardware and software information FrontRight side Using Sleep or Hibernation onGetting to know your computer Left side Rear Communication and Chat CyberLink YouCam DisplayTouchPad TopSleep or Hibernation on LightsButtons, speakers, and fingerprint reader Or see Managing power onSound Beats Audio Control Panel KeysBy selecting Start Control Panel Hardware Num lock key Bottom Component LabelsUsing the wireless controls Connecting to a networkConnecting to a wireless network Using operating system controls Using the wireless buttonUsing HP Connection Manager select models only Using an Internet service provider Using a WlanProtecting your Wlan Setting up a WlanConfiguring a wireless router Connecting to a Wlan Using Bluetooth wireless devices select models onlyConnecting to a local area network LAN Multimedia Features Enjoying entertainment featuresUsing audio Using the webcamUsing Beats Audio Connecting speakersConnecting headphones Connecting a microphoneIconDefinition Using videoConnecting a VGA monitor or projector Checking the soundConnecting an Hdmi TV or monitor Configuring audio settings with Hdmi TV Managing your audio and video files Using Intel Wireless Display select models onlyUsing the keyboard and pointing devices Icon Key Description Using the keyboardUsing ALT GR key combinations Using the action keysAudio Control Panel Using the hot keysFunction Hot key Description Select Start Control Panel Hardware and Sound BeatsUsing the integrated numeric keypad Using the keypadTurning the TouchPad off or on Using the TouchPadSelecting NavigatingUsing TouchPad gestures Pinching/Zooming ScrollingFlicking RotatingManaging power Initiating and exiting Sleep Using Sleep or HibernationInitiating and exiting Hibernation Setting password protection on wakeupUsing the power meter Selecting a power plan Finding battery information Running on battery powerRemoving a user-replaceable battery Disposing of a user-replaceable battery Conserving battery powerIdentifying low battery levels Storing a user-replaceable batteryReplacing a user-replaceable battery Running on external powerUsing HP CoolSense select models only Select Start Shut down Shutting down the computerType Description Using a USB deviceConnecting a USB device Managing and sharing informationRemoving a USB device Connecting a powered USB deviceInserting and removing digital storage cards Using optical drives Removing an optical disc Inserting an optical discSharing drives on the network Handling drives Maintaining your computerImproving performance Replacing a hard drive Page Using Disk Cleanup Using HP 3D DriveGuardUsing Disk Defragmenter Adding or replacing memory modules Page Page Updating programs and drivers Cleaning the TouchPad and keyboard Cleaning your computerCleaning the display, sides, and cover Traveling with or shipping your computer Locating your security software Computer risk Security featureSecuring your computer and information Password Function Using passwordsSetting Windows passwords Setting Setup Utility Bios passwords Using the fingerprint readerRegistering fingerprints Using Internet security softwareUsing HP SimplePass Using your registered fingerprint to log on to WindowsInstalling Windows security updates Installing software updatesUsing antivirus software Using firewall softwareBacking up your software applications and information Securing your wireless networkUsing an optional security cable lock Determining the Bios version Using Setup Utility Bios and System DiagnosticsStarting Setup Utility Bios Updating the BiosSelect Start Help and Support Maintain Downloading a Bios updateUsing System Diagnostics What you need to know Backing up, restoring, and recoveringCreating backups Creating recovery media to recover the original systemCreating a system restore point Creating system restore pointsBacking up system and personal information Tips for a successful backupCreating a backup using Windows Backup and Restore Restoring specific files using Windows Backup and Restore Restore and recoveryRestoring to a previous system restore point Recovering the original system using HP Recovery ManagerRecovering using the recovery media Recovering using HP Recovery partition select models onlyChanging the computer boot order Input power Rating SpecificationsInput power Operating environment Troubleshooting and support Wireless connection problems TroubleshootingDisc drive problems Current network security codes are unavailable Cannot connect to a WlanCannot connect to a preferred network Wlan connection is very weak Cannot connect to the wireless routerNetwork status icon is not displayed Audio problemsPower management problems Troubleshooting an AC adapter Resolving a low battery levelContacting customer support Electrostatic Discharge Index BiosHdmi