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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. 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. If Something Goes Wrong 187 Resolving a hardware conflict 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. 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 computer. 2 Click Turn Off. 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 59. 188 If Something Goes Wrong Resolving a hardware conflict 4 Reinstall the memory module, following the instructions in “Installing a memory module” on page 54, 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 module installed, the error is not caused by the memory module. TECHNICAL NOTE: You must have at least one memory module installed for the computer to work. Power and the batteries Your computer receives its power through the AC adaptor and power cord/cable or from the system batteries (battery, optional high-capacity battery and real-time clock (RTC) battery). Power problems are interrelated. For example, a faulty AC adaptor or power cord/cable will neither power the computer nor recharge the batteries. Here are so...

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