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3: Manage Post-Installation Issues
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FIGURE 3-11
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EXERCISE 3-4 Updating a Driver
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To update a driver, just follow these steps: 1 In Device Manager, right-click the desired device and click Properties Then, click the Driver tab 2 On the Driver tab, click Update Driver 3 The Hardware Update Wizard appears, as shown in the following illustration Notice that you have two options You can have Windows Vista install the new driver automatically at the online store and on your computer, or you can install from a specific list of drivers or locations If you choose the Search option, Windows Vista searches your computer for a new driver and installs the driver once it s found If you want to update the driver manually, choose that option on the Welcome screen and click Next
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Install and Con gure Windows Drivers
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4 The next window gives you a selection list You can choose the kind of device that you are using and allow Windows to try to match a driver from its database to the device If you have an installation disk, you can also use the disk here However, if you do have an installation disk, keep in mind that you can simply use the automatic installation method on the Welcome screen of the wizard (which is faster and easier) Make the desired selection and click Next 5 The files for the driver are copied and installed Click Finish
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Windows Update delivers updated drivers as they become available Assuming Windows Update is set for automatic updates, you should always have the latest drivers installed However,
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if the exam gives you a situation where you re having problems with a device and you want to make sure the device has the latest update, the answer is to run Windows Update
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FIGURE 3-12
Uninstall confirmation
Removing a Driver
If you want to completely remove a driver, simply use the Uninstall button You can also use the Roll Back Driver option to remove the current driver and use the previous one, which can be helpful in cases where you install a new driver that doesn t work properly If you choose to uninstall a driver, you ll see a warning message that tells you that you are about to remove the device from your system, shown in Figure 3-12 When you uninstall the driver, the device is uninstalled as well At this point, Windows Vista Plug and Play will detect the uninstalled hardware device as new hardware and attempt to reinstall it In some cases, this can help you uninstall and reinstall a problematic device, especially if you are having driver problems You can see an example of this process in Exercise 3-5
EXERCISE 3-5
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Uninstalling and Redetecting a Hardware Device
To uninstall a driver and redetect the device, follow these steps: 1 In Device Manager, expand the desired category and select the device that you want to uninstall If you perform this exercise, choose a basic device, such as a standard network adapter, keyboard, mouse, or some other device that uses a simple generic driver 2 Right-click the device and click Properties Click the Driver tab 3 Click Uninstall and click OK to the warning message that appears 4 The device driver is uninstalled from your computer Note that the device no longer appears in Device Manager
Install and Con gure Windows Drivers
5 To have Windows redetect and reinstall the device, on the menu bar click Action | Scan For Hardware Changes
6 Windows scans the system and detects the device A bubble message appears in the Notification Area telling you that a new device has been detected and is being installed Once the installation is complete, the bubble message tells you so and that is all there is to it!
As in previous versions of Windows, you can launch the Add Hardware Wizard to help you install troublesome hardwareThe wizard will detect the hardware and try to locate a suitable driver for it One difference in
Windows Vista is that the Add Hardware Wizard can now invoke custom installation programs so that you can install additional software that comes with the device driver(s)
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