Problems with ports and connectors, USB problem | Lenovo 33472GU

•The application is designed to operate with your operating system.

•Other applications run correctly on your computer.

•The necessary device drivers are installed.

•The application works when it is run on some other computer.

If an error message is displayed while you are using the application program, refer to the manuals supplied with the application.

If the application still does not run correctly, contact your place of purchase or a service representative for help.

Problems with ports and connectors

The following are the most common problems with ports and connectors.

A USB problem

Problem: A device connected to the USB connector does not work.

Solution: Ensure that the USB device setup is correct, and that the assignment of computer resource and the installation of the device driver are correct. Do the following:

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

2.Click Hardware and Sound ➙ Device Manager ➙ Universal Serial Bus controllers. If you are prompted for an administrator password or confirmation, type the password or provide confirmation.

Refer to “Diagnosing problems” on page 87 for a diagnostic test of the USB connector.

104User Guide

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Lenovo 33472GU, S230U, 33472YU, 3347XF2 manual Problems with ports and connectors, USB problem

Contents

User Guide Safety, Warranty, and Setup Guide Regulatory Notice Second Edition December Copyright Lenovo Contents Preventing problems Prevent your computer from getting wet Read this firstProtect yourself from the heat that your computer generates Protect the cables from being damaged Handle your computer gently Important safety informationProtect your computer and data when moving it Carry your computer carefully Service and upgrades Safety guidelinesConditions that require immediate action Power cords and power adapters Plugs and outlets Power supply statementExtension cords and related devices Vii Lithium coin cell battery notice General battery noticeBuilt-in rechargeable battery notice External devices Heat and product ventilation Electrical current safety information Liquid crystal display LCD notice Using headphones or earphones Additional safety information Xii User Guide Product overview Locating computer controls, connectors, and indicatorsFront view Integrated camera Volume control buttonsSystem status indicator illuminated ThinkPad logo Built-in microphones Right-side view USB 3.0 connectorMini DisplayPort connector Hard disk or solid-state drive bay Left-side view Combo audio jack Mini Hdmi connectorEthernet connector Media card reader slot Integrated battery Status indicatorsSystem status indicators Bottom view Power status indicator Locating important product information Machine type and model label Features FCC ID and IC Certification number label Specifications Operating environment Battery packBattery life Lenovo programs Lenovo Solution Center Lenovo SettingsLenovo Mobile Access Lenovo Support Password Manager Frequently asked questions Using your computerRegistering your computer Is getting connected in different locations a challenge? Tablet modeUsing tablet mode Need to attach or replace a device? Using your computer Tips on using your computer in tablet mode Using the multi-touch screen Tips on using the multi-touch screen Cleaning the multi-touch screen Using the tablet buttons Special keys and buttons Display management keys Function keys Volume and mute keysOther functions Changing the UltraNav pointing device settings Using the UltraNav pointing deviceSelect Config Keyboard/Mouse Change to F1-F12 keys Windows key Customizing the TrackPoint pointing device Using the TrackPoint pointing deviceChanging the cap Disabling the UltraNav pointing device Using the touch padCustomizing the touch pad Checking the battery status Power managementUsing the battery power Adding the UltraNav icon to the Windows notification area Maximizing the battery life Using the ac power adapterCharging the battery Connecting the ac power adapter Connecting to the network Managing the power plansPower-saving modes Click More power options Using the wireless LAN and wireless WAN connections Wireless connectionsEthernet connections Using Bluetooth Changing the display settingsPresentations and Multimedia Considerations for using an external monitor Using an external displaySetting the main display Setting the monitor type Using a projectorUsing audio features Set Resolution Click Advanced Settings Configuring for sound recording Using the integrated cameraUsing a media card Configuring camera settings Click Hardware and Sound Device Manager Inserting a media cardRemoving a media card Right-click the Safely Remove Hardware and Eject Media icon You and your computer Accessibility and comfortErgonomic information Accessibility information Comfort Travel tips Travel accessoriesTraveling with your computer Assistive technologies User Guide Typing passwords Using passwordsPasswords and sleep mode Security Setting a power-on password Power-on passwordHard disk passwords Select Power-on Password Setting a hard disk password Select Hard Disk 1 Password Supervisor password Changing or removing a hard disk password Setting, changing, or removing a supervisor password Select Supervisor Password Using Windows BitLocker Drive Encryption Hard disk security Setting the security chip Setting the security chipClick System and Security BitLocker Drive Encryption Using firewalls Protecting data against viruses Security User Guide Recovery overview Refreshing your computer User Guide Replacing devices Disabling the built-in batterySelect Disable Built-in Battery Static electricity prevention User 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 Installing the Windows 8 operating system Advanced configurationInstalling a new operating system Select Startup Boot Installing the Windows 8 fix module Installing device drivers ThinkPad SetupMain menu Menu item Submenu item Selection Comments Network Config menuAC Only Menu item Submenu item Selection Comments EnabledIPv4 First Auto DisabledDefault Keyboard/Mouse Menu item Submenu item Selection Comments Display PowerBattery Optimized Always ThinkPad LCD Security menu Menu item Submenu item Selection Comments Beep and AlarmDate/Time menu Serial ATA Sata Menu item Submenu item Selection Comments Password At unattended boot, a password Smbios Reporting Smbios Disabled, the Security Chip optionBios ROM String Reporting Uefi Bios Update Option Menu item Submenu item Selection Comments Virtualization Port AccessAnti-Theft Changing the startup sequence Menu item Submenu item Selection Comments Secure BootStartup menu Uefi Only and set CSM Support UEFI/Legacy Boot Uefi Only Menu item Selection Comments BootNetwork Boot UEFI/Legacy Boot Priority Uefi First Menu item Selection Comments Boot Device List F12 Option Updating your system Uefi BiosUsing system management Boot Order Lock Disabled Setting management features System management Network Boot sequence Flash update User Guide Preventing problems General tips for preventing problems Making sure device drivers are current Getting the latest drivers using System UpdateGetting the latest drivers from the Web site Be gentle with your computer Be careful about where and how you workTaking care of your computer Carry your computer properly Cleaning your computer keyboard Cleaning the cover of your computerTake care in setting passwords Register your computer Be sure not to modify your computer Cleaning your computer display User Guide Troubleshooting Troubleshooting computer problemsDiagnosing problems Computer stops responding Spills on the keyboard Error messagesIf you spill something on your computer Troubleshooting computer problems Errors without messages Memory module problems Beep errorsProblem Solution Ethernet problems Networking problemsSolution Bluetooth problems Wireless LAN problemWireless WAN problem Click Hardware and Sound Sound Playback UltraNav pointing device problems Problems with the keyboard and other pointing devicesKeyboard problems Problems with the display and multimedia devices Computer screen problems External monitor problems Set Resolution Audio problems Battery and power problems Battery problems An ac power adapter problem Power problems Boot problems Power button problemSleep problems Solid-state drive problem Problems with drives and other storage devicesHard disk drive problems Optical drive problems Software problem Problems with ports and connectors USB problem Getting support Getting help and serviceBefore you contact Lenovo Lenovo Support Web site Using diagnostic programsCalling Lenovo Finding ThinkPad options Purchasing additional servicesTelephone numbers User Guide Appendix A. Regulatory information Wireless related informationWireless interoperability 109 Location of the UltraConnect wireless antennas Usage environment and your health Electronic emission notices Locating wireless regulatory noticesExport classification notice Federal Communications Commission Declaration of Conformity German Class B compliance statement Appendix A. Regulatory information User Guide Japan recycling statements Appendix B. Weee and recycling statementsImportant Weee information 115 Recycling information for Brazil Battery recycling information for the European UnionDisposing of Lenovo computer components Appendix B. Weee and recycling statements User Guide Click Hardware and Sound Device Manager Network adapters Power plan Energy Saver settings when plugged into ac powerAppendix C. Energy Star model information 119 Click OK Appendix D. Notices 121 Trademarks Ukraine RoHS China RoHS Turkish RoHS123 India RoHS