java barcode reader tutorial 17: Maintaining and Troubleshooting Windows in Software

Encoding QR Code in Software 17: Maintaining and Troubleshooting Windows

366 17: Maintaining and Troubleshooting Windows
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Laurie has been given six computers in various stages of disrepair Not one of the systems will boot, even though they are Windows 2000 and XP systems A friend gives her some oppy disks labeled ERD and ASR, and recommends that she boot the machines using these oppies When she tries it, the machines display the message Non-System disk or disk error, replace and press any key when ready Why William has been running his Windows XP system for a few days and notices a small yellow shield icon in the system tray/noti cation area He calls you to ask what it might be
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Key Term Quiz
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Use the following terms to complete the following sentences Not all terms will be used ASR automatic updates driver signing ERD Event Viewer MSCONFIG Recovery Console service packs System Restore WHQL
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To assist in the recovery of a system crash, Windows 2000 uses the __________ process, while Windows XP uses the _____________ process Both processes require a oppy disk to store critical system les The _____________________ can be added as a boot menu option As operating systems age, many of the system les, drivers, and utilities are updated It is recommended that Windows always has the latest ______________________ installed Microsoft quali es devices and drivers through its ____________________, which approves and digitally signs drivers that are proven to work properly with Windows The _________________ provides three log les System, Security, and Application to assist with the troubleshooting of a Windows operating system
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Lab Exercises
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1801 Exploring USB Drivers 1802 USBDeview 1803 Paging Dr Keyboard! Lab Analysis Test Key Term Quiz
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368 18: Input/Output
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One of the most important functions in any type of computing is
getting information (data) in and out of the computer system If it weren t for data moving in and out, your computer would be a boring (and pretty useless) device! You need two items to make input/output work on your PC: a peripheral device and a way to connect that peripheral device to your system unit The typical desktop PC comes with a number of peripherals: keyboard, mouse, monitor, printer, speakers, and often a cable that runs to a network These peripherals all come with some form of cabling/connection system Many of these connections are unique pairings For example, a monitor uses either a 15-pin VESA (also called VGA) connector or a DVI connector, whereas a sound card uses S/PDIF or mini-RCA connectors you won t see any other device commonly using these types of connectors CompTIA wants you to have a solid understanding of these types of peripherals and their unique connections: printers using parallel connections, networks using twisted-pair cabling, monitors using VGA or DVI, and speakers using mini-RCA or S/PDIF Entire chapters of this lab manual address these speci c peripherals in more detail, but there s much more to the world of input/output than just those devices The most common PC input devices are keyboards and mice Other, more exotic input devices include scanners, touch screens, and biometric readers More general-purpose connections used by many types of peripherals include serial, USB, and FireWire This chapter takes a look at those other peripherals and connections that don t really t well into any of the other chapters
Lab Exercise 1801: Exploring USB Drivers 369
S 30 minutes
Lab Exercise 1801: Exploring USB Drivers
USB s incredible ease of use makes it the most popular type of general-purpose connection used on PCs USB is so popular that every type of peripheral (other than monitors) has someone making a USB version The downside to this ease of use is that it can be a challenge to deal with USB when it doesn t work as speci ed
Learning Objectives
At the end of this lab, you ll be able to Diagnose and repair common USB driver failures Recognize the limitations of built-in Windows USB device drivers
Lab Materials and Setup
The materials you need for this lab are A Windows system using USB At least one human interface USB device, such as a mouse or keyboard At least one mass storage USB device, such as a USB thumb drive At least one USB device that is neither a human interface device nor a mass storage device (for example, a wired NIC, Bluetooth hub, wireless NIC, or PDA synching cradle) A notepad and pencil
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