An external device is not working | HP E1Y40U8 specification

An external device is not working

Follow these suggestions if an external device does not function as expected:

●Turn on the device according to the manufacturer's instructions.

●Be sure that all device connections are secure.

●Be sure that the device is receiving electrical power.

●Be sure that the device, especially if it is older, is compatible with the operating system.

●Be sure that the correct drivers are installed and updated.

The wireless network connection is not working

If a wireless network connection is not working as expected, follow these suggestions:

●To enable or disable a wireless or wired network device, right-click the Network Connection icon on the Windows desktop in the notification area, at the far right of the taskbar. To enable devices, select the check box from the menu option. To disable the device, clear the check box.

●Be sure that the wireless device is turned on.

●Be sure that the computer wireless antennas are free from obstructions.

●Be sure that the cable or DSL modem and its power cord are properly connected and that the lights are on.

●Be sure that the wireless router or access point is properly connected to its power adapter and to the cable or DSL modem, and that the lights are on.

●Disconnect and then reconnect all cables, and turn the power off and then back on.

The optical disc tray does not open for removal of a CD or DVD

1.Insert the end of a paper clip (1) into the release access in the front bezel of the drive.

2.Press in gently on the paper clip until the disc tray is released, and then pull out the tray (2) until it stops.

120 Appendix B Troubleshooting

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HP E1Y40U8 manual An external device is not working, Wireless network connection is not working

Contents

User Guide Product notice Software terms Safety warning notice Iv Safety warning notice Table of contents Multimedia VGA Drives 100 106 111113 116 124 125 Xii Welcome Finding information Resources For information about Then select Warranty and services Getting to know your computer TopTouchPad Component Description Top Lights Settings , and then select Power Options Buttons and fingerprint reader select models only Keys Esc key Front Right Guides Right Getting to know your computer Left Media Card Reader Rear Display Support Wwan antennas 2* select models only From the Start screen, type h, and then select Help Bottom Bottom Connecting to a network Connecting to a wireless networkUsing the wireless controls Using the wireless button Using a Wlan Using operating system controlsUsing an Internet service provider Setting up a Wlan Configuring a wireless routerProtecting your Wlan Using HP Mobile Broadband select models only Connecting to a Wlan Remove the battery see Inserting or removing the battery on Inserting and removing a SIMPage Using GPS select models only Using Bluetooth wireless devices Connecting to a wired network Connecting to a local area network LANUsing a modem Connecting a modem cable Connecting a country- or region-specific modem cable adapter Page Using pointing devices Setting pointing device preferencesUsing the pointing stick Using the TouchPad Using TouchPad gestures Turning the TouchPad off and on Tapping Scrolling Pinching/zooming Rotating select models only Finger click select models only Flicking select models only Edge swipes select models only Right-edge swipeTop-edge swipe Left-edge swipe Using the keyboard Using Microsoft Windows 8 shortcut keysIdentifying the hot keys Shortcut Key Description Hot key combination Description Fn+f3 Using keypads Using the embedded numeric keypad Using an optional external numeric keypad Switching key functions on the embedded numeric keypadTurning the embedded numeric keypad on and off Using the media activity controls Connecting speakersConnecting headphones Multimedia Connecting a microphone Adjusting the volumeChecking audio functions on the computer Webcam select models only Video DisplayPort select models only Intel Wireless Display select models only Power management Shutting down the computer Setting power options Using power-saving statesIntel Rapid Start Technology select models only Initiating and exiting Sleep Setting password protection on wakeup Using the power meter and power settingsEnabling and exiting user-initiated Hibernation Using battery power Finding additional battery informationUsing Battery Check Displaying the remaining battery charge Maximizing battery discharge time Managing low battery levelsIdentifying low battery levels Inserting or removing the battery Conserving battery power Using external AC power Storing a user-replaceable battery select models onlyDisposing of a user-replaceable battery select models only Replacing a user-replaceable battery select models only Testing an AC adapter Using Media Card Reader cards select models only External cards and devicesInserting a digital card Using ExpressCards select models only Configuring an ExpressCardRemoving a digital card Inserting an ExpressCard Using smart cards select models only Removing an ExpressCard Using a USB device Inserting a smart cardRemoving a smart card Using 1394 devices select models only Connecting a USB deviceRemoving a USB device Using an eSATA device select models only Connecting a 1394 deviceRemoving a 1394 device Connecting an eSATA device Removing an eSATA device Using optional external devices Using optional external drives Using the docking connector select models only Drives Handling drives Using hard drives Removing or replacing the service doorRemoving the service door Intel Smart Response Technology select models onlyPage Replacing the service door Replacing or upgrading the hard drive Removing the hard drive Page Installing a hard drive Replacing a drive in the upgrade bay Replacing a hard drivePage Replacing an optical drive Page Tighten the upgrade bay screw Using Disk Defragmenter Using Disk CleanupImproving hard drive performance Using HP 3D DriveGuard select models only Managing power with a parked hard driveIdentifying HP 3D DriveGuard status Using optical drives select models only Identifying the installed optical driveUsing HP 3D DriveGuard software Inserting an optical disc When the disc tray opens normally Removing an optical disc When the disc tray fails to open normally Page Using RAID select models only Sharing optical drives Computer risk Security feature SecurityProtecting the computer Using passwords Setting passwords in Windows Password Function Setting passwords in Computer Setup Managing a Bios administrator passwordIf the Embedded Security State is set to Enabled Available Setting a new Bios administrator password Managing a Computer Setup DriveLock password Entering a Bios administrator passwordSetting a DriveLock password Entering a DriveLock password Changing a DriveLock password Using Computer Setup Automatic DriveLock Entering an Automatic DriveLock passwordRemoving DriveLock protection Using antivirus software Removing Automatic DriveLock protection Using firewall software Installing critical security updatesUsing HP ProtectTools Security Manager select models only Installing an optional security cable Using the fingerprint reader select models only Locating the fingerprint reader Maintenance Adding or replacing memory modulesPage Cleaning your computer Cleaning products Cleaning procedures Cleaning the displayCleaning the sides and cover Cleaning the TouchPad and keyboard Updating programs and drivers Using SoftPaq Download Manager Backup and recovery Backing up your information Performing a system recovery Using the Windows recovery tools Using f11 recovery tools Using Windows 8 operating system media purchased separately Using Windows Refresh for quick and easy recovery Remove everything and reinstall Windows Click Settings Using HP Software Setup Computer Setup Bios and Advanced System Diagnostics Using Computer SetupStarting Computer Setup Navigating and selecting in Computer Setup Restoring factory settings in Computer Setup Updating the Bios Determining the Bios versionDownloading a Bios update Using Advanced System Diagnostics Page Support Contacting support Labels Component Specifications Input power Input Power Rating Operating environment Traveling with the computer Page Troubleshooting Troubleshooting resourcesResolving issues Computer is unable to start up Computer screen is blank Software is functioning abnormallyComputer is on but not responding Computer is unusually warm Wireless network connection is not working An external device is not workingOptical disc tray does not open for removal of a CD or DVD Page Computer does not detect the optical drive Disc does not playMovie is not visible on an external display Page Electrostatic discharge Symbols/Numerics Index SIM Passwords USB VGA