Dell 150D, 1N016 Click Roll Back Driver, Click Performance and Maintenance, and then click System

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4In the Device Manager window, right-click the device for which the new driver was installed, and then click Properties.

5Click the Drivers tab.

6Click Roll Back Driver.

Windows XP IRQ conflicts occur if a device either is not detected during the operating system setup or is detected but incorrectly configured.

To check for conflicts on a computer running Windows XP:

1Click the Start button, and then click Control Panel.

2Click Performance and Maintenance, and then click System.

3Click the Hardware tab, and then click the Device Manager button.

4In the Device Manager list, check for conflicts with the other devices.

Conflicts are indicated by a yellow exclamation point (!) beside the conflicting device or a red X if the device has been disabled.

5Double-click any conflicting device listed to bring up the Properties window so you can determine what needs to be reconfigured or removed from the Device Manager.

Resolve these conflicts before checking specific devices.

6Double-click the malfunctioning device type in the Device Manager list.

7Double-click the icon for the specific device in the expanded list. The Properties window appears.

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Solving Problems

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Contents Dell SmartStep 150D Rev. A00 Setting Up If your computer has speakers, use this section Adding Parts 111 When Using Your Computer 115VErgonomic Computing Habits Safety Instr uctions When Working Inside Your Computer Protecting Against Electrostatic Discharge Safety Instr uctions C T I O N Parallel Printer USB Printer Installing the Printer Driver On the welcome screen, click Next Click checklist for creating a network Click Turn offC T I O N Solving Problems See To Access Help in Windows XP If the screen is blank If the screen is difficult to read ON- See the setup diagram supplied with the speakers Solving Problems If you cannot print to a parallel port printer If you cannot print to a USB printer Verify That the Modem is Communicating with Windows Check the Mouse Settings If you cannot save a file to a floppy disk If you cannot play a music CD or install a program from a CD If you have a hard drive problem Restart the COMPUTER- Try to log on to the network againCharacters \ / * ? Do not use these characters in filenames Program crashes Program error causes the system to lock upProgram stops responding Solid blue screen appears If you have a problem with your Internet connectionProgram is designed for an earlier Windows operating system Solving Problems W . d e l l . c o m s u p p o r t . d e l l . c o m At the Welcome Dell System Owner screen, click Next Using the Windows XP Device Driver RollbackClick Properties Click Performance and Maintenance, and then click System Click Roll Back DriverSolving Problems Creating a Restore Point Click Performance and MaintenanceClick the System Restore tab Using the XP System Restore WizardRestoring the Computer to an Earlier Operating State Undoing the Last System Restore Select Undo my last restoration and click NextSolving Problems Solving Problems C T I O N Power Button CD Activity LightCD Drive Eject Button Floppy Drive Eject ButtonCD Headphone Connector CD Volume Control DialFloppy Drive Light Power Connector Diagnostic LightsMouse Connector Line-In ConnectorLine-Out Connector Microphone ConnectorUSB Connectors Keyboard ConnectorComputer cover Release latch Adding Parts Adding Parts Power supply Release latch Drive power cables Adding Parts Power supply Drive power cables Adding Parts Release latch Padlock ring System Board FAN Microprocessor DIMMA, DimmbAdding Parts Front-panel release tab Retaining hooks Adding Parts Rotate the power supply see Drive bay plate Adding Parts Front of computer Left rail right rail Connect a power cable to the drive Pin 1 cable Filler bracket Adding Parts W . d e l l . c o m s u p p o r t . d e l l . c o m Fully seated Removing Cards Page Securing clips 2 notches Adding Parts Adding Parts C T I O N Cache USB On back panel Maximum shock Operating Appendix Viewing Settings System Setup Program ScreensAppendix Appendix Battery Battery socket Battery Definition of Dell-Installed Software and Peripherals Definition of Third-Party Software and PeripheralsContact Numbers and Addresses Page Customer Care From outside Toronto Page W . d e l l . c o m s u p p o r t . d e l l . c o m Page W . d e l l . c o m s u p p o r t . d e l l . c o m Country Code Customer Service Seoul, Korea City Code Corporate Sales Page Or 800 300 412 or South Africa Johannesburg Technical Support 011 709 International Access Code Technical Support Servers Page Have your account number handy or value-added resellers VARs Returning Items for Warranty Repair or Credit 100 Appendix FCC Notices U.S. Only Class a Class B Battery Disposal NOM Information Mexico Only Day Limited Warranty United States Only 106 Appendix One-Year Limited Warranty United States and Canada Only 108 Appendix Appendix 109 Total Satisfaction Return Policy United States Only Index 111 Index Index 113 Index 114