Lenovo 3347XF2, S230U, 33472YU manual Wireless LAN problem, Wireless WAN problem, Bluetooth problems

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–Use Category 5 wiring and ensure that the network cable is securely connected.

–Connect to a 1000 BASE-T hub/switch (not 1000 BASE-X).

•Problem: The Wake On LAN feature is not working. Solution:

–Ensure that Wake On LAN is enabled in ThinkPad Setup.

–If it has been enabled, check with your LAN administrator for the necessary settings.

•Problem: If your computer is a Gigabit Ethernet model, it cannot connect to the network at 1000 Mbps. Instead, it connects at 100 Mbps.

Solution:

–Try another cable.

–Ensure that the link partner is set to auto-negotiate.

–Ensure that the switch is 802.3ab-compliant (gigabit over copper).

A wireless LAN problem

Problem: You cannot connect to the network using the built-in wireless network card.

Solution: Ensure that:

•Your wireless LAN driver is the latest version.

•Your computer is within range of a wireless access point.

•The Airplane mode is turned off.

Check the Network Name (SSID) and your encryption information.

A wireless WAN problem

Problem: A message is displayed indicating that an unauthorized WAN card is installed.

Solution: The WAN card is not supported on this computer. Remove it.

Note: Depending on your computer, some models do not have a wireless WAN card.

Bluetooth problems

•Problem: Sound does not come from the Bluetooth headset/headphone but comes from the local speaker even though the Bluetooth headset/headphone is connected using a Headset profile or AV profile.

Solution: Do the following:

1.Exit the application that uses the sound device (for example, Windows Media Player).

2.Move the cursor to the top-right or bottom-right corner of the screen to display the charms. Click Settings ➙ Control Panel.

3.Click Hardware and Sound ➙ Sound ➙ Playback.

4.If you are using a Headset profile, select Bluetooth Hands-free Audio and click the Set Default button. If you are using an AV profile, select Stereo Audio and click the Set Default button.

5.Click OK to close the Sound window.

•Problem: PIM items sent from the Windows 8 operating systems cannot be received correctly into the address book of any other Bluetooth-enabled device.

Chapter 9. Troubleshooting computer problems 93

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Contents User Guide Second Edition December Copyright Lenovo Safety, Warranty, and Setup Guide Regulatory NoticeContents Preventing problems Protect the cables from being damaged Read this firstProtect yourself from the heat that your computer generates Prevent your computer from getting wetCarry your computer carefully Important safety informationProtect your computer and data when moving it Handle your computer gentlyConditions that require immediate action Safety guidelinesService and upgrades Power cords and power adapters Vii Power supply statementExtension cords and related devices Plugs and outletsExternal devices General battery noticeBuilt-in rechargeable battery notice Lithium coin cell battery noticeHeat and product ventilation Liquid crystal display LCD notice Electrical current safety informationAdditional safety information Using headphones or earphonesXii User Guide Front view Locating computer controls, connectors, and indicatorsProduct overview Built-in microphones Volume control buttonsSystem status indicator illuminated ThinkPad logo Integrated cameraHard disk or solid-state drive bay USB 3.0 connectorMini DisplayPort connector Right-side viewLeft-side view Media card reader slot Mini Hdmi connectorEthernet connector Combo audio jackBottom view Status indicatorsSystem status indicators Integrated batteryPower status indicator Machine type and model label Locating important product informationFCC ID and IC Certification number label FeaturesSpecifications Lenovo programs Battery packBattery life Operating environmentLenovo Support Password Manager Lenovo SettingsLenovo Mobile Access Lenovo Solution CenterRegistering your computer Using your computerFrequently asked questions Need to attach or replace a device? Tablet modeUsing tablet mode Is getting connected in different locations a challenge?Using your computer Tips on using your computer in tablet mode Using the multi-touch screen Cleaning the multi-touch screen Tips on using the multi-touch screenSpecial keys and buttons Using the tablet buttonsOther functions Function keys Volume and mute keysDisplay management keys Windows key Using the UltraNav pointing deviceSelect Config Keyboard/Mouse Change to F1-F12 keys Changing the UltraNav pointing device settingsChanging the cap Using the TrackPoint pointing deviceCustomizing the TrackPoint pointing device Customizing the touch pad Using the touch padDisabling the UltraNav pointing device Adding the UltraNav icon to the Windows notification area Power managementUsing the battery power Checking the battery statusConnecting the ac power adapter Using the ac power adapterCharging the battery Maximizing the battery lifeClick More power options Managing the power plansPower-saving modes Connecting to the networkEthernet connections Wireless connectionsUsing the wireless LAN and wireless WAN connections Presentations and Multimedia Changing the display settingsUsing Bluetooth Setting the main display Using an external displayConsiderations for using an external monitor Set Resolution Click Advanced Settings Using a projectorUsing audio features Setting the monitor typeConfiguring camera settings Using the integrated cameraUsing a media card Configuring for sound recordingRight-click the Safely Remove Hardware and Eject Media icon Inserting a media cardRemoving a media card Click Hardware and Sound Device ManagerErgonomic information Accessibility and comfortYou and your computer Comfort Accessibility informationAssistive technologies Travel accessoriesTraveling with your computer Travel tipsUser Guide Security Using passwordsPasswords and sleep mode Typing passwordsSelect Power-on Password Power-on passwordHard disk passwords Setting a power-on passwordSelect Hard Disk 1 Password Setting a hard disk passwordChanging or removing a hard disk password Supervisor passwordSelect Supervisor Password Setting, changing, or removing a supervisor passwordHard disk security Using Windows BitLocker Drive EncryptionClick System and Security BitLocker Drive Encryption Setting the security chipSetting the security chip Protecting data against viruses Using firewallsSecurity User Guide Refreshing your computer Recovery overviewUser Guide Static electricity prevention Disabling the built-in batterySelect Disable Built-in Battery Replacing devicesUser Guide Replacing the hard disk drive or solid-state drive User Guide Replacing the keyboard User Guide Replacing devices User Guide Replacing a Mini PCI ExpressCard for wireless LAN connection User Guide Replacing devices Installing or replacing the wireless WAN card Replacing devices User Guide Replacing devices User Guide Select Startup Boot Advanced configurationInstalling a new operating system Installing the Windows 8 operating systemMain menu Installing device drivers ThinkPad SetupInstalling the Windows 8 fix module AC Only Config menuMenu item Submenu item Selection Comments Network IPv4 First EnabledMenu item Submenu item Selection Comments Keyboard/Mouse DisabledDefault AutoThinkPad LCD PowerBattery Optimized Always Menu item Submenu item Selection Comments DisplaySerial ATA Sata Menu item Submenu item Selection Comments Beep and AlarmDate/Time menu Security menuAt unattended boot, a password Menu item Submenu item Selection Comments PasswordUefi Bios Update Option Disabled, the Security Chip optionBios ROM String Reporting Smbios Reporting SmbiosAnti-Theft Port AccessMenu item Submenu item Selection Comments Virtualization Uefi Only and set CSM Support Menu item Submenu item Selection Comments Secure BootStartup menu Changing the startup sequenceUEFI/Legacy Boot Priority Uefi First Menu item Selection Comments BootNetwork Boot UEFI/Legacy Boot Uefi OnlyBoot Order Lock Disabled Updating your system Uefi BiosUsing system management Menu item Selection Comments Boot Device List F12 OptionSystem management Setting management featuresFlash update Network Boot sequenceUser Guide General tips for preventing problems Preventing problemsGetting the latest drivers from the Web site Getting the latest drivers using System UpdateMaking sure device drivers are current Carry your computer properly Be careful about where and how you workTaking care of your computer Be gentle with your computerRegister your computer Be sure not to modify your computer Cleaning the cover of your computerTake care in setting passwords Cleaning your computer keyboardCleaning your computer display User Guide Computer stops responding Troubleshooting computer problemsDiagnosing problems TroubleshootingIf you spill something on your computer Error messagesSpills on the keyboard Troubleshooting computer problems Errors without messages Problem Solution Beep errorsMemory module problems Solution Networking problemsEthernet problems Click Hardware and Sound Sound Playback Wireless LAN problemWireless WAN problem Bluetooth problemsKeyboard problems Problems with the keyboard and other pointing devicesUltraNav pointing device problems Computer screen problems Problems with the display and multimedia devicesExternal monitor problems Set Resolution Audio problems Battery problems Battery and power problemsPower problems An ac power adapter problemSleep problems Power button problemBoot problems Optical drive problems Problems with drives and other storage devicesHard disk drive problems Solid-state drive problemSoftware problem USB problem Problems with ports and connectorsBefore you contact Lenovo Getting help and serviceGetting support Calling Lenovo Using diagnostic programsLenovo Support Web site Telephone numbers Purchasing additional servicesFinding ThinkPad options User Guide 109 Wireless related informationWireless interoperability Appendix A. Regulatory informationUsage environment and your health Location of the UltraConnect wireless antennasFederal Communications Commission Declaration of Conformity Locating wireless regulatory noticesExport classification notice Electronic emission noticesGerman Class B compliance statement Appendix A. Regulatory information User Guide 115 Appendix B. Weee and recycling statementsImportant Weee information Japan recycling statementsDisposing of Lenovo computer components Battery recycling information for the European UnionRecycling information for Brazil Appendix B. Weee and recycling statements User Guide 119 Power plan Energy Saver settings when plugged into ac powerAppendix C. Energy Star model information Click Hardware and Sound Device Manager Network adaptersClick OK 121 Appendix D. NoticesTrademarks 123 China RoHS Turkish RoHSUkraine RoHS India RoHS
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