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For help on hardware conflicts: 1 Click Start, then click Help and Support, or press F1. 2 Click Troubleshooting in the Find an answer section. A list of category links appears. 3 Click a topic under Hardware and drivers and follow the steps. If there is still a problem, the operating system should display a message that explains what the conflict is. A plan of action The smooth operation of the system depends on the interaction of all devices, programs, and features. If the system or one of its attached devices is not working, resolving the problem can be time- consuming and frustrating. The recommended procedure for getting multiple devices to work together is to add and set up one device at a time. After you add each device, test it to make sure it and all previously connected devices work. If Something Goes Wrong If Something Goes Wrong Resolving a hardware conflict The device most recently connected to the system is the one most likely to be causing a conflict. Resolving conflicts There are several things you can do to resolve hardware conflicts: . Get the most recent drivers from the manufacturer. . Disable the device. For an older device, remove it from the computer. . Disable another system component and use its resources for the new device. See “Fixing a problem with Device Manager” on page 180. . Reconfigure the device so that its requirements do not conflict. Refer to the device’s documentation for instructions about changing settings on the device. Fixing a problem with Device Manager Device Manager provides a way to check and change the configuration of a device. Changing the default settings using Device Manager can cause other conflicts that make one or more devices unusable. Device Manager is a configuration tool for advanced users who understand configuration parameters and the ramifications of changing them. 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, System and Maintenance, System, and then Device Manager. 2 To view the device(s) installed, double-click the device type. 3 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. If Something Goes Wrong If Something Goes Wrong Resolving a hardware conflict . The Resources 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. This tab also provides options for updating the driver or rolling back the driver in case the new version is causing a problem. The tabs that appear in the dialog box vary from one device to another. For more information about Device Manager, refer to Windows® online Help. Memory problems Incorrectly connected or faulty memory modules may cause errors that seem to be hardware or even software related. It is worthwhile checking for these first: 1 Click Start, and then click the arrow next to the Lock button in the lower-right part of the Start menu. The Shut Down menu appears. 2 Click Shut Down. The computer shuts down completely. 3 Remove the memory module, following the instructions in “Removing a memory module” on page 59. 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. If Something Goes Wrong If Something Goes Wrong Resolving a hardware conflict NOTE For this model Slot A is the bottom slot. Slot B is the top slot. If only one memory module is to be installed, it must be installed in Slot A. Power and the batteries Your computer receives its power through the AC adaptor and power cord/cable or from the system batteries (battery, optional secondary 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 some typical problems and how to solve them: The AC power light does not come on when you plug in the AC adaptor and power cord/cable. Make sure the AC adaptor and power cord/cable are firmly plugged into both the wall outlet and the comput...

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