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Device Manager is a configuration tool for advanced users who understand configuration parameters and the ramifications of changing them. Disabling a device 1 Click Start, Control Panel, then click Performance and Maintenance. 2 Click the Administrative Tools icon. 3 Double-click Computer Management, then click Device Manager. 4 Select the specific device from the device category. To expand a device category, double-click the category. 5 In the toolbar, look to the far right for an icon of a monitor with a strike mark through a circle on the front. This is the disable feature. 6 Click the icon. You are given the option of disabling the device. 7 Click Yes to disable the device or No to cancel. Checking device properties Device Manager provides a way to view the properties of a device. Properties include the name of the manufacturer, the type of device, the drivers installed, and the system resources assigned to the device. If Something Goes Wrong 177 Resolving a hardware conflict To check a device’s properties: 1 Click Start, Control Panel, then click Performance and Maintenance. 2 Click the Administrative Tools icon. 3 Double-click Computer Management, then click Device Manager. 4 To view the device(s) installed, double-click the device type. 5 To view the properties, double-click the device. The operating system displays the Device Properties dialog box, which provides an array of tabs. They may include: . The General tab, which provides basic information about the device. . The Resource tab, which lists resources assigned to the monitor, optional external optical drive, optional external diskette drive, and other power-using functions. This tab does not appear if the device is not using resources. . The Driver tab, which displays the drivers being used by the device. The tabs that appear in the dialog box vary from one device to another. A Troubleshooting button is also present. 6 Click Troubleshoot... A Help and Support window for that device appears. For more information about Device Manager, refer to Windows® XP online help. If Something Goes Wrong 178 Resolving a hardware conflict Memory problems Incorrectly connected or faulty memory modules may cause errors that seem to be device-related. It is worthwhile checking for these first: 1 Click Start, Turn Off/Shut Down Computer. 2 Click Turn Off/Shut Down. The operating system shuts down and turns off the computer automatically. 3 Remove the memory module, following the instructions in “Removing a memory module” on page 58. 4 Reinstall the memory module, following the instructions in “Installing a memory module” on page 53, and making sure the module is seated properly. 5 Check for the error again. 6 If the error recurs, remove the memory module entirely and check for the error again. If removing the memory module eliminates the error, the memory module may be faulty. If the error recurs without the memory modul...

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