© 2015 by McGraw-Hill Education. This proprietary material solely for authorized instructor use....

© 2015 by McGraw-Hill Education. This proprietary material solely for authorized instructor use. Not authorized for sale or distribution in any manner. This document may not be copied, scanned, duplicated, forwarded, distributed, or posted on a website, in whole or part.

Survey of Operating Systems, 4/eC

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Under the Windows Desktop:

Supporting and

Troubleshooting Windows

6


“”

Computing is not about computers any more. It is about living.

Nicholas Negroponte

Founder and chairman emeritus, Massachusetts Institute of Technology’s Media Lab and founder of the One Laptop per Child Association


Learning Outcomes

Define the role of the registry in Windows, and back up and modify the registry when needed.

Describe the Windows user options and power options, and, given a scenario, select appropriate startup options.

Install and manage device drivers. Troubleshoot common Windows problems


Understanding the Registry

LO 6.1


The Registry Defined Device drivers Services Installed application programs Operating system

components User Preferences

The registry includes settings for


Automatic Registry Changes

Windows starts up or shuts down Windows Setup runs Changes are made using Control Panel or PC

Settings A new device is installed Any changes are made to the windows

configuration Any changes are made to a user’s desktop

preferences An app is installed or modified Changes are made to preferences in an app

The Windows registry changes when


Registry Files BCD Default Ntuser.dat Sam

Windows registry files

Security Software System


Registry FilesMost registry files are in the config folder


Registry FilesThe default user profile is used until a user logs on


Registry Hives


The Temporary Portion of the RegistryHKEY_LOCAL_MACHINE\HARDWARE

Hardware detection information


Viewing and Editing the RegistryThe registry root keys


Viewing and Editing the RegistryThe registry keys


Contents of Registry Root Keys


Registry Data Types


Backing Up the Registry

Creating a restore point


Backing Up the Registry

Use Regedit to back up the registry


Windows User and Power OptionsLO 6.2


The Windows 7 Shutdown options menu


The Windows 8 User andPower menus

User menu

Power menu


Sleep versus Hibernate

Sleep System and user states

saved in RAM Requires a small amount of

power System stays in a lower

power mode Wakes up quickly

Hibernate System and user states

saved to disk Does not require power System shuts down Wakes up slower than from

Sleep


Power Options Tells apps to save data and settings Closes the session for each logged-on

user Shuts down all running services Shuts down all devices Closes the operating system’s session Writes pending data to system drive Sends power down signal to computer

The Windows 7 Shutdown


Power Options Tells apps to save data and settings and

shuts down apps Closes the session for each logged-on

user Hbernates the Windows session in a file Sends power down signal to computer

The Windows 8 Hybrid Shutdown


Power Options The same for Windows 7 and Windows 8 A full shutdown and full system start up Windows 8 does not do Hybrid Shutdown

Restart


Windows 7 Startup Phases Power-on self-test Initial startup Bootloader

Hardware detection and configuration

Kernel loading Logon


Log on to Windows 7


Windows 8 Secure Boot and Fast Boot

Firmware startup Trusted boot (and

ELAM) Fast boot


Modifying System Startup for Windows 7 and Windows 8


Installing and Managing Device DriversLO 6.3


Installing Device Drivers Permissions Working with signed versus unsigned device

drivers Unsigned will not install in Windows 7 64-bit or in

Windows 8


Managing Installed DevicesDevices and Printers


Managing Installed DevicesSet the default printer


Managing Installed DevicesA Device Stage page


Managing Installed DevicesWindows 8 PC Settings


Managing Installed DevicesDevice Manager


Using Windows Troubleshooting and Recovery ToolsLO 6.4


When Windows Fails at Startup:The Windows Recovery Environment (RE)

Available in Windows 7 and Windows 8 Manufacturers add tools to Windows RE Windows Error Recovery page may

start automatically at system failure Two options

Launch Startup and Repair (Windows RE) Start Windows Normally

Diagnostic and repair tools that run in Windows PE


Troubleshooting with Modified StartupsWindows Vista Advanced Boot Options menu


Troubleshooting with Modified StartupsWindows 7 Advanced Boot Options menu


Troubleshooting with Modified StartupsWindows 7 Safe Mode



Shut down or Restart


Troubleshooting with Modified StartupsWindows 8 PC Settings

Recovery page

Select Advanced Startup


Troubleshooting with Modified StartupsWindows RE

Select Troubleshoot



Select Advanced options



Select Startup Settings



Press the 4 key to start in Safe Mode


Troubleshooting with Modified StartupsWindows 8 Refresh Recovery Option

Saves user accounts, files, personal settings, Windows Store apps.

Other apps removed

May need installation or recovery media


Troubleshooting with Modified Startups

Drastic Removes everything Reinstalls Windows

You must provide product key code May need installation or recovery media

Windows 8 Reset you PC


Troubleshooting with Modified StartupsSystem Configuration Utility (MSCONFIG)


Troubleshooting DeviceProblemsDevice Manager



With correct driver installed, device is placed under correct category



The Roll Back Driver button is active only after a driver update

© 2015 by McGraw-Hill Education. This proprietary material solely for authorized instructor use....

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Transcript of © 2015 by McGraw-Hill Education. This proprietary material solely for authorized instructor use....