Reinstalling Drivers and Utilities | Dell UY691 manual

2Click Properties→Device Manager

NOTE: The User Account Control window may appear. If you are an administrator on the computer, click Continue; otherwise, contact your administrator to continue the desired action.

Scroll down the list to see if any device has an exclamation point (a yellow circle with a [!]) on the device icon.

If an exclamation point is next to the device name, you may need to try "Reinstalling Drivers and Utilities" on page 100.

Reinstalling Drivers and Utilities

NOTICE: The Dell Support website at support.dell.com and your Drivers and Utilities CD provide approved drivers for Dell™ computers. If you install drivers obtained from other sources, your computer might not work correctly.

Using Windows Device Driver Rollback

If a problem occurs on your computer after you install or update a driver, use Windows Device Driver Rollback to replace the driver with the previously installed version.

For Windows XP:

1Click Start and right-click My Computer.

2Click Properties→Hardware→Device Manager.

3Right-click the device for which the new driver was installed and click Properties.

4Click Drivers→Roll Back Driver.

For Windows Vista:

1Click the Windows Vista Start button,, and right-click Computer.

2Click Properties→Device Manager.

NOTE: The User Account Control window may appear. If you are an administrator on the computer, click Continue; otherwise, contact your administrator to enter the Device Manager.

3Right-click the device for which the new driver was installed and click Properties.

4Click Drivers→Roll Back Driver.

If Device Driver Rollback does not resolve the problem, use "Using Microsoft Windows System Restore" on page 103 to return your computer to the operating state that existed before you installed the new driver.

Using the Drivers and Utilities CD

If using Device Driver Rollback or System Restore does not resolve the problem, then reinstall the driver from the Drivers and Utilities CD.

1Save and close any open files, and exit any open programs.

2Insert the Drivers and Utilities CD.

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Reinstalling Software

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Dell UY691 manual Reinstalling Drivers and Utilities

Contents

User’s Guide Abbreviations and Acronyms Contents Using the Keyboard Setting Up and Using Networks Securing Your Computer Double-Clicking the Dell Support Icon Traveling With Your Computer Adding and Replacing Parts 149 Finding Information Drivers and Utilities CD Quick Reference Guide Dell Support Website support.dell.com To view Dell QuickSet Help, right-click the Quickset Icon in the Microsoft Windows taskbarFor more information on Dell QuickSet, see Dell QuickSet on About Your Computer Front View Track stick Light is flashing Y B O a R D S T a T U S L I G H T S Left Side View D I O C O N N E C T O R S Right Side View Back View Connects serial devices, such as a mouse or handheld device About Your Computer Bottom View Transferring Information to a New Computer To prepare the new computer for the file transfer Click Finished and restart the new computer Windows Vista Using a Battery Battery Performance Checking the Battery Charge Dell QuickSet Battery MeterMicrosoft Windows Power Meter Charge Gauge Conserving Battery Power Power Management ModesLow-Battery Warning Standby Mode Hibernate Mode Charging the Battery Configuring Power Management SettingsReplacing the Battery Storing a Battery Using the Keyboard Numeric KeypadKey Combinations System Functions Battery Power ManagementDisplay Functions Microsoft Windows Logo Key Functions Touch Pad Customizing the Touch Pad and Track Stick Changing the Track Stick CapPull the cap off the track stick Using the Keyboard Using the Keyboard Using Multimedia Playing CDs or DVDs Adjusting the Volume Adjusting the PictureVolume Control Window Volume Control Buttons Using the Display Adjusting Brightness Microsoft Windows XP Click the Windows Vista Start button →Control Panel Microsoft Windows XP Using the Ambient Light Sensor Click the Start button and click Control Panel Ambient light sensor Using the Display Connecting a Network or Broadband Modem Cable Setting Up and Using NetworksSetting Up a Network in Microsoft Windows XP Setting Up a Network in Microsoft Windows Vista Wireless Local Area Network WlanChecking Your Wireless Network Card What You Need to Establish a Wlan Connection Setting Up and Using Networks Connecting to a Wlan Setting Up and Using Networks Mobile Broadband or Wireless Wide Area Network Wwan Checking Your Mobile Broadband Card Connecting to a Mobile Broadband Network Enabling/Disabling the Dell Mobile Broadband Network Card Internet Connection Firewall Dell Wi-Fi Catcher Network LocatorFor information about Dell QuickSet, see Dell QuickSet on Button →Help and Support Setting Up and Using Networks Using Cards Installing a PC Card or ExpressCardCard Types Card Blanks PC Card ExpressCard Removing a Card or Blank Using Cards Securing Your Computer Security Cable LockSmart Cards About Smart Cards Passwords Installing a Smart Card Using a Primary/System Password Using an Administrator Password Using a Hard Drive Password Enabling the TPM Feature Trusted Platform Module TPM Computer Tracking Software Security Management SoftwareIf Your Computer Is Lost or Stolen Securing Your Computer Securing Your Computer Diagnostic Lights TroubleshootingDiagnostic Light Codes During Post Computer. If the computer starts Dell Technical Update Service Dell DiagnosticsWhen to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard Drive Dell Diagnostics Main Menu Troubleshooting Dell Support Utility Accessing the Dell Support UtilityClicking the Dell Support Icon Drive Problems Double-Clicking the Dell Support Icon CD and DVD drive problems Hard drive problemsProblems writing to a CD/DVD-RW drive Right-click Local Disk C Mail, Modem, and Internet Problems Error Messages Troubleshooting Click Start→Control Panel→Add or Remove Programs Ieee 1394 Device Problems Keyboard ProblemsFor Windows XP For Windows Vista External keyboard problems Lockups and Software ProblemsUnexpected characters Other software problems Computer does not start upComputer stops responding Program stops responding or crashes repeatedly Memory Problems Network ProblemsIf necessary, uninstall and then reinstall the program General PC Card or ExpressCard Problems Power Problems Docking Power Considerations Ensuring Sufficient Power for Your ComputerMemory modules see Memory on Printer Problems Scanner Problems Sound and Speaker Problems Touch Pad or Mouse ProblemsNo sound from headphones No sound from integrated speakers Video and Display Problems If the display is blank If the display is difficult to read If only part of the display is readable Viewing the System Setup Screens System Setup ProgramOverview Commonly Used Settings System Setup ScreensChanging the Boot Sequence Performing a One-Time Boot Changing COM Ports System Setup Program Traveling With Your Computer Identifying Your ComputerPacking the Computer Attach a name tag or business card to the computer Travel Tips Traveling by Air Reinstalling Software What Is a Driver?Drivers Identifying Drivers Reinstalling Drivers and Utilities 101 Restoring Your Operating System Using Microsoft Windows System Restore 103 Using the Operating System CD Ensure that Turn off System Restore is unchecked 105 106 Adding and Replacing Parts Before You BeginRecommended Tools Turning Off Your Computer Follow the procedures in Before You Begin on 108 Hard Drive 109 Returning a Hard Drive to Dell Media BayRemoving the Device Security Screw Removing and Installing Media Bay Devices 111 Hinge Cover Keyboard 113 Keyboard Keyboard screws Memory 115 Memory module 117 Memory module Subscriber Identity Module SIM Card Wireless Cards119 Wireless Local Area Network Wlan Cards 121 Mobile Broadband or Wireless Wide Area Network Wwan Cards FCM Flash Cache Module 123 FCM card Internal Card With Bluetooth Wireless Technology 125 Coin-Cell Battery 127 128 Dell QuickSet 129 130 Specifications 131 132 PC/SC 133 Lvds 134 135 136 137 138 Technical Support and Customer Service Getting HelpObtaining Assistance 139 DellConnect Online Services Problems With Your Order AutoTech ServiceAutomated Order-Status Service 141 Before You Call 142 For customers in the United States, call 800-WWW-DELL Contacting Dell143 Visit support.dell.com Cleaning Your Computer AppendixComputer, Keyboard, and Display Touch Pad Floppy Drive MouseCDs and DVDs Macrovision Product Notice FCC Notice U.S. OnlyFCC Class B 147 148 Glossary 149 150 151 152 153 154 155 156 157 Video resolution See resolution 158