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Installing the New Driver
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You ve got two ways to install a new driver: using the installation CD directly or using the Add Hardware Wizard in the Control Panel Most experienced techs prefer to run from the installation CD Most devices come with extra programs My motherboard comes with a number of handy applications for monitoring temperature and overclocking The Add Hardware Wizard does not install anything but the drivers Granted, some techs find this a blessing because they don t want all the extra junk that sometimes comes with a device, but most installation discs give clear options to enable you to pick and choose what you want to install (Figure 59) The other reason to use installation CDs instead of the Add Hardware Wizard stems from the fact that many expansion cards are actually many devices in one, and each device needs its own drivers Sound cards often come with joystick ports, for example, and video cards often have built-in TV tuners The Add Hardware Wizard will install all the devices, but the installation CD brings them to your attention Go for the CD program first and save the Add Hardware Wizard for problems, as you ll see in the next section
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Mike Meyers CompTIA A+ Guide: PC Technician (Exams 220-602, 220-603, & 220-604)
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To install drivers in a Windows computer, you need to have the proper permission I m not talking about asking somebody if you re allowed to install the device! Permissions are granted in Windows to enable people to perform certain tasks, such as adding a printer to a computer or installing software, or to stop people from being able to do such tasks Specifically, you need administrative permissions to install drivers
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Tech Tip
Driver Rollback
Windows XP offers the nifty driver rollback feature for rolling back to previous drivers after an installation or driver upgrade If you decide to live on the edge and install beta drivers for your video card, for example, and your system becomes frightfully unstable, you can back up to the drivers that worked before (Not that I ve ever had to use that feature, of course!) To access the rollback feature, simply open Device Manager and access the properties for the device you want to adjust On the Driver tab (Figure 510), you ll find the Roll Back Driver button
Beta Drivers
Many PC enthusiasts try to squeeze every bit of performance out of their PC components, much like auto enthusiasts tinker with engine tunings to get a little extra horsepower out of their engines Expansion card manufacturers love enthusiasts, who often act as free testers for their unpolished drivers, known as beta drivers Beta drivers are fine for the most part, but they can sometimes cause amazing system instability never a good thing! If you use beta drivers, make sure you know how to uninstall or roll back to previous drivers
Figure 510
Driver rollback feature
5: Installing Internal Devices
Step 4: Verify
As a last step in the installation process, inspect the results of the installation and verify that the device works properly Immediately after installing, you should open Device Manager and verify that Windows sees the device (Figure 511) Assuming that Device Manager shows the device working properly, your next check is to put the device to work by making it do whatever it is supposed to do If you installed a printer, print something; if you installed a scanner, scan something If it works, you re done!
Figure 511
Device Manager shows the device working properly
Troubleshooting Expansion Cards
A properly installed expansion card rarely makes trouble it s the botched installations that produce headaches Chances are high that you ll have to troubleshoot an expansion card installation at some point, usually from an installation that you botched personally The first sign of an improperly installed card usually shows up the moment you first try to get that card to do whatever it s supposed to do and it doesn t do it When this happens, your primary troubleshooting process is a reinstallation after checking in with Device Manager Other chapters in this book cover specific hardware troubleshooting sound cards in 13, for example, and video cards in 12 Use this section as your general methodology to decide what to look for and how to deal with the problem
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