Chapter SIx Maintaining a Computer Part I: Configuring, Updating, and Upgrading the OS.
-
Upload
rosamund-casey -
Category
Documents
-
view
222 -
download
0
Transcript of Chapter SIx Maintaining a Computer Part 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
2
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
3
© 2006-2011 Wiley, Inc. All Rights Reserved.
Working with User Accounts
• Mac OS:– Standard– Administrator– Managed with Parental Controls– Sharing Only
• Ubuntu Linux:– Administrator– Desktop User– Unprivileged
4
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
8
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
9
© 2006-2011 Wiley, Inc. All Rights Reserved.
Changing the Date and Time
• You can allow the clock to set itself automatically using a time server on the Internet
10
© 2006-2011 Wiley, Inc. All Rights Reserved.
Changing the Date and Time
• 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
11
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
12
© 2006-2011 Wiley, Inc. All Rights Reserved.
Changing Screen Resolution
• Windows: Right-click the desktop and click Screen Resolution
• Mac OS: Click System Preferences on the Dock and click Displays
13
© 2006-2011 Wiley, Inc. All Rights Reserved.
Updates vs. Upgrades
• Updates = free enhancements to the existing version
• Upgrades = new version or edition
14
© 2006-2011 Wiley, Inc. All Rights Reserved.
Benefits of Updating OS
• Patch vulnerabilities• Correct programming errors• Add minor new features• Add device compatibility
15
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
16
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
17
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
19
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
20
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
21
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
22
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
23
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
24
© 2006-2011 Wiley, Inc. All Rights Reserved.
Upgrading to a New Edition
• Windows Anytime Upgrade
25
– Enables you to upgrade to a higher edition at any time
– To access: Start, All Programs, Windows Anytime Upgrade
© 2006-2011 Wiley, Inc. All Rights Reserved.
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)
26
© 2006-2011 Wiley, Inc. All Rights Reserved.
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
27