CN1260 Client Operating System

1. CN1260 Client Operating System Kemtis Kunanuraksapong MSIS with Distinction MCT, MCITP, MCTS, MCDST, MCP, A+

2. Agenda • Chapter 1: Introduction to Windows 7 • Quiz • Exercise

3. Computer Hardware • The primary subsystems that make up a computer are: • Processor • 32 bits (x86) vs 64 bits (x64) • Memory • Storage • Network

4. Computer Hardware (Cont.) • Other components: • Motherboard • System ROM BIOS • Power supplies and cases • Ports • Parallel / Serial port / Universal serial bus (USB) • PS/2 Mouse or keyboard port • RJ-45 connector

5. Computer Hardware (Cont.) • Other components: • Video systems • VGA / DVI / HDMI • VIVO (S-Video, composite video) • Sound system

6. Windows 7 System Requirements • Windows 7 (32 bits) can recognize up to 4 GB of memory: • Except for the Starter edition, which only recognizes 2 GB of memory. • Windows 7 - 64 bits • Ultimate, Enterprise, and Professional - 192 GB • Home Premium - 16 GB • Home Basic - 8 GB • Hardware Compatibility List (HCL)

7. Clean VS Upgrade Installation • A clean installation is installing the software from scratch on a new drive or on a newly reformatted drive • Disadvantage: all software needs to be reinstalled, patched and configured, and data copied over • In-place upgrade from a lower edition of Windows 7 to a higher one using the Windows Anytime Upgrade tool • Cannot directly upgrade from Windows XP to Windows 7 • Only 32 bits -> 32 bits or 64 bits -> 64 bits • Windows XP -> Vista SP2 -> Windows 7

8. Windows Component • Control Panel • 8 categories listed • User Account Control (UAC) • Prevent unauthorized changes to your computer. • As an administrator, UAC asks you for permission • As a standard user, UAC will ask you for an administrator password • Without administrative permissions, you can: • Install updates and drivers from Windows Update or those that are included with the operating system • View Windows settings • Pair Bluetooth devices with the computer • Reset the network adapter and perform other network diagnostic and repair tasks

9. System Settings • You can access it by: • Click system and security -> System • Double click the system applet • Right-click Computer and select properties • See Figure 1-4 on Page 12 • In order to join the domain/workgroup or change the computer name • Click change settings • See Figure 1-5 on Page 13

10. Action Center • Lists important messages about security and maintenance settings that need your attention • Red items in Action Center are labeled Important, and indicate significant issues that should be addressed soon, such as an outdated anti-virus program that needs updating • See Figure 1-6 on Page 15

11. Reliability Monitor • Action Center -> the Maintenance section, click View reliability history. You can then: • Click any event on the graph to view its details • Click Days or Weeks to view the stability index over a specific period of time. • Click items in the Action column to view more information about each event. • Click View all problem reports to view only the problems that have occurred on your computer.

12. Microsoft Management Console (MMC) • One of the primary administrative tools used to manage Windows and many of the network services provided by Windows • A standard method to create, save, and open the various administrative tools provided by Windows • When you open Administrative Tools, most of these programs are MMC

13. MMC(Cont.) • MMC.exe • See Figure 1-7 on Page 17 • On a blank console, you can add mmc snap-in. • Event viewer • Performance monitor • Task Scheduler • Services • See Figure 1-8 on Page 18

14. Services • A program, routine, or process that performs a specific system function to support other programs or to provide a network service • It runs in the system background without a user interface • Type Services.msc to launch the console • See Figure 1-9 on Page 7

15. Services (Cont.) • Service startup type • Automatic • Automatic (Delayed start) • Manual • Disable • All services are run under specific account • Local System • NT Authority/LocalService • NT Authority/NetworkService

16. Registry • A central, secure database in which Windows stores all hardware configuration information, software configuration information, and system security policies. • HKEY_CLASSES_ROOT • HKEY_CURRENT_USER • HKEY_LOCAL_MACHINE • HKEY_USERS • HKEY_CURRENT_CONFIG

17. Troubleshooting Methodology • Discover the problem • Do the research on KB • Evaluate system configuration • Ask the client if anything changed recently. Check event logs • List or track possible solutions, and try to isolate the problem by removing or disabling hardware or software components • Execute a plan • Check results • Take a proactive approach

18. System Information • Type msinfo32.exe • System summary • Hardware Resources • Components • Software Environment • See Figure 1-11 on Page 24

19. Event Viewer • A Microsoft Management Console (MMC) snap-in that enables you to browse and manage event logs • You can also execute the eventvwr.msccommand • See Figure 1-12 on Page 25 • Application log • Security log • Setup log • System log • ForwardedEvents log

20. Assignment • Submit these before class over on Thursday • Fill in the blank • Multiple Choice • True / False • Submit these before class start on Monday • Case scenarios 1-1 • Lab 1