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Each installed application program takes up space on your computer s hard drive, and programs that you no longer need simply waste space that could be used for other purposes Removing unnecessary programs can be an important piece of optimization
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FIGURE 1916
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CHAPTER 19 Maintaining, Optimizing, and Troubleshooting Windows 2000/XP
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You remove a program from a Windows PC in much the same way that you install it That is, you use the application s own uninstall program, when possible You normally find the uninstall program listed under the application s icon on the Start menu, as shown in Figure 1917 If an uninstall program is not available, then use Windows Add or Remove Programs applet from Control Panel Figure 1918 shows this applet You select the program you want to remove and click the Change/Remove button You should not be surprised by now to hear that it does not disappear in a flash First you ll see a message warning you that the program will be permanently removed from your PC If you re certain you want to continue, click Yes You may then see a message telling you that a shared file that appears to no longer be in use is about to be deleted, and asking your approval Generally speaking, it s safe to delete such files If you do not delete them, they will likely be orphaned and remain unused on your hard disk forever In some cases, clicking the Change/Remove button will start the application s install program (the one you couldn t find before) so that you can modify the installed features This is a function of the program you re attempting to remove The end result should be the removal of the application and all of its pieces and parts, including files and Registry entries
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When you installed Windows, it tried to guess which optional Windows components you would need It installed Notepad, modem support, and games on your computer These Windows components can be removed from your system if you like, and other components can be added as well If you re adding components, you ll need a copy of your Windows CD or another location where the
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FIGURE 1917
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MIKE MEYERS A+ CERTIFICATION PASSPORT
FIGURE 1918
Add or Remove Programs applet
Windows source files are stored This task really hasn t changed from previous versions of Windows To add or remove a Windows component, open the Add or Remove Programs applet in the Control Panel (Add/Remove Programs in Windows 2000) From here, select Add/Remove Windows Components, which opens the Windows Components Wizard (Figure 1919) You can select an installed program; see how frequently it is used, how much disk space it uses, and (sometimes) the last time it was used
Installing/Optimizing a Device
The processes for optimizing hardware in Windows 2000/XP are absolutely identical, even down to the troubleshooting and backup utilities, and are similar to the steps for installing a new device The install process is covered in every chapter of this book that deals with one type of device or another, so this section concentrates on the issues that fit best under optimization
CHAPTER 19 Maintaining, Optimizing, and Troubleshooting Windows 2000/XP
FIGURE 1919
Windows Components Wizard
Exam Tip
All four CompTIA A+ certification exams test you on installing and optimizing devices
Driver Updates
Device manufacturers occasionally update their device drivers Most of these updates are intended to fix problems, but many updates incorporate new features Whatever the case, when one of your devices gets an updated driver, it s your job to install it Windows / Microsoft Update provides an easy method to update drivers from manufacturers that take advantage of the service The only trick to this is that you usually need to select the Custom option to see these updates because Windows installs only high-priority updates using the Express option When you click the Custom option, look under Hardware, Optional (on the left) to see if Windows has any driver updates (Figure 1920) Take some time and read what these updates do sometimes you may choose not to install a driver update because it s not necessary or useful to your system If Windows does not put a driver update in the Windows Update tool, how do you know a device needs updating The trick is to know your devices Video card manufacturers update drivers quite often Get in the habit of registering
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