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Mike Meyers A+ Guide to Managing and Troubleshooting PCs
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The Control Panel applets enable you to do an amazing array of things to a Windows system, and each applet displays text that helps explain its functions The Add Hardware applet (Figure 1327), for example, says quite clearly, Installs and troubleshoots hardware They are all like that Figure 1328 shows the User Accounts applet Can you determine its use (If not, don t sweat it I ll cover users in 15, Maintaining and Troubleshooting Windows ) Each Control Panel applet relevant to the CompTIA A+ exams is discussed in detail in the relevant chapter for example, the Modems applet is discussed in 22, The Internet
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The Device Manager enables techs to examine and con- Figure 1327 Add Hardware Wizard of the Add Hardware applet figure all the hardware and drivers in a Windows PC As you might suspect from that description, every tech spends a lot of time with this tool! You ve seen it at work in several earlier chapters, and you ll work with the Device Manager many more times during the course of this book and your career as a PC tech There are many ways to get to the Device Manager make sure you know all of them! The first way is to open the Control Panel and double-click the System applet icon This brings up the System Properties dialog box From here, you access the Device Manager by selecting the Hardware tab and then clicking the Device Manager button Figure 1329 shows the Hardware tab of the System Properties dialog box in Windows XP
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13: Understanding Windows
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Holding down the Windows key and pressing the PAUSE key is yet another way to get to the System Properties dialog box Keyboard shortcuts are cool!
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You can also get to the System Properties dialog box by right-clicking My Computer and selecting Properties From there, the path to Device Manager is the same as when you access this dialog box from the Control Panel The second (and more streamlined) method is to right-click My Computer and select Manage (Figure 1330) This opens a window called Computer Management, where you ll see Device Manager listed on the left side of the screen, under System Tools Just click on Device Manager and it will open You can also access Computer Management by opening the Administrative Tools applet in the Control Panel and then selecting Computer Management (Figure 1331)
Figure 1329
Windows XP System applet with the Hardware tab selected
Figure 1330
Right-clicking on My Computer to select the Manage option
Mike Meyers A+ Guide to Managing and Troubleshooting PCs
Figure 1331
Device Manager in Computer Management
There is one other problem icon you might see on a device in Device Manager a blue i According to Microsoft, this means you turned off automatic configuration for a device This is probably good to know for the exams, but you ll never see this error on a working machine unless you re intentionally messing with I/O address or IRQ settings for a device
Why are there so many ways to open Device Manager Well, remember that we re only looking at locations in Windows from which to open utilities, not at the actual utilities themselves Windows wants you to get to the tools you need when you need them, and it s better to have multiple paths to a utility rather than just one The Device Manager displays every device that Windows recognizes, organized in special groups called types All devices of the same type are grouped under the same type heading To see the devices of a particular type, you must open that type s group Figure 1332 shows a typical Windows XP Device Manager screen with all installed devices in good order which makes us techs happy If Windows detects a problem, it shows the device with a red X or a yellow exclamation point, as in the case of the network adapter in Figure 1333 The red X means the device is disabled right-click on the device to enable it The tough one is the yellow exclamation point If you see this, right-click on the device and select Properties; you ll see a dialog box like the one shown in Figure 1334 Read the error code in the Device Status pane, and then look up Microsoft Knowledge Base article 310123 to see what to do There are around 40 different errors nobody bothers to memorize them! The Device Manager isn t just for dealing with problems! It also enables you to update drivers with a simple click of the mouse (assuming you have a driver downloaded or on disc) Right-click a device and select Update Driver from the menu to get the process started Figure 1335 shows the options in Windows XP By double-clicking a device (or by selecting the device and clicking the Properties button) and then clicking the Resources tab, you can see the resources used by that device Figure 1336 shows the resources for an NVIDIA GeForce 7900 GT video card
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