chapter six maintaining a computer part i: configuring, updating, and upgrading the os

Chapter SIx

Maintaining a ComputerPart I: Configuring, Updating, and

Upgrading the OS

© 2006-2011 Wiley, Inc. All Rights Reserved.

Strata Objectives Covered

1.6 (21.2 FC0-U11 U.K.) Identify the risks associated with upgrading the following technologies and equipment:–Operating systems (open source and commercial)–Automatic applications and operating system updates

3.1 (2.1 FC0-U11 U.K.) Conduct basic software installation, removal, and/or upgrading–Configure the OS

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Working with User Accounts

• User account: your identity when working in the OS

• You can have multiple levels of users, with each level having different permissions

• Windows:– Standard– Administrator– Guest

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Working with User Accounts

• Mac OS:– Standard– Administrator– Managed with Parental Controls– Sharing Only

• Ubuntu Linux:– Administrator– Desktop User– Unprivileged

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User Account Management in Windows

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User Account Management in Mac OS X

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User Account Management in Ubuntu Linux

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Adjusting the Sound Volume

• Volume control tells sound card how much amplification to use

• Some keyboards have volume control buttons

• Click speaker icon in notification area to adjust sound from within Windows

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Changing the Date and Time

• Date and time are stored in BIOS settings and reported to the OS

• You can change the date/time manually

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• You can allow the clock to set itself automatically using a time server on the Internet

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• Windows: Click the clock in the notification area, and click Change date and time settings

• Mac OS: Click System Preferences on the Dock, and click Date & Time icon

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Screen Resolution

• Screen resolution is the number of pixels that comprise the display

• The higher the resolution, the smaller icons and fonts appear onscreen

• Maximum resolution is dependent on the monitor and the amount of RAM on the video card

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Changing Screen Resolution

• Windows: Right-click the desktop and click Screen Resolution

• Mac OS: Click System Preferences on the Dock and click Displays

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Updates vs. Upgrades

• Updates = free enhancements to the existing version

• Upgrades = new version or edition

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Benefits of Updating OS

• Patch vulnerabilities• Correct programming errors• Add minor new features• Add device compatibility

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Risks of Updating OS

• Potential compatibility problems, leading to crashes

• Problems with certain applications that may have replaced default system files with their own custom versions

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Procedure for Updating OS

• Windows: Use Windows Update utility to check for and install updates

• Mac OS: System Preferences on the Dock, then Software Update

• Linux: Depends on version

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Windows Update

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Version vs. Edition

• Version: OS release, such as Windows XP, Windows Vista, Windows 7

• Edition: Feature set of a version, such as Windows 7 Home Premium or Windows 7 Ultimate

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Windows Versions

Version Year Editions

XP 2001 Home, Professional,Media Center, Tablet PC,Starter

Vista 2007 Home Basic, Home Premium, Business,Enterprise, Ultimate,Home and Business, Starter

7 2009 Home Premium, Professional, Ultimate, Starter

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Mac OS X Versions

Version Year

10.0 Cheetah 2001

10.1 Puma 2001

10.2 Jaguar 2002

10.3 Panther 2003

10.4 Tiger 2005

10.5 Leopard 2007

10.6 Snow Leopard 2009

10.7 Lion 2011

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Assessing Upgrade Compatibility

• Minimum system requirements– CPU type and speed– RAM– Display adapter– Hard drive – CD/DVD drive

• Individual hardware devices– Driver availability– Helper software compatibility

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Assessing Upgrade Paths

• Upgrade path: a means of getting from one OS version or edition to another

• Upgrade install: installing a new OS over the old one, so applications and settings remain

• Clean install: installing the OS on a freshly formatted hard disk, wiping out all old settings and applications

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Assessing Upgrade Paths

OS makers provide upgrade path information online

– Windows XP to Vista: http://windows.microsoft.com/en_US/windows-vista/Upgrading-from-Windows-XP-to-Windows-Vista

– From Windows XP or Vista to Windows 7: http://windows.microsoft.com/en-us/windows7/products/upgrade

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Upgrading to a New Edition

• Windows Anytime Upgrade

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– Enables you to upgrade to a higher edition at any time

– To access: Start, All Programs, Windows Anytime Upgrade


Preparing to Upgrade the OS

• Make sure you have administrative rights

• Make sure the Setup program can get through your firewall

• Back up data and settings• Locate application discs for

reinstallation• Make sure hardware drivers are

available (download as needed)

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Installing a New OS Version

• Insert the CD or DVD• Follow the onscreen prompts• Fill in information as requested

– Product key– User name– Network to connect to

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Installing a New OS Version

• If doing a clean install, make decisions about:– Partitioning and formatting– System folder location– Drive on which to install– Administrator password

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chapter six maintaining a computer part i: configuring, updating, and upgrading the os

Documents

rights reserve

user accountsmac os

user account management

updatesmac os

time settingsmac os

screen resolutionmac

date time icon

system preferences