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Advanced Computer Maintenance and Repair

Computer Management (Compmgmt.msc)

A window that consolidates several Windows administrative tools that you can use to manage the local PC or other computers on the network.

console

A single window that contains one or more administrative tools such as Device Manager or Disk Management.

Data Collector Sets

Events that help track the performance and reliability of Windows.

Event Viewer (Eventvwr.msc)

A Windows tool useful for troubleshooting problems with Windows, applications, and hardware.

HKEY_CLASSES_ROOT (HKCR)

Registry key that stores information that determines which application is opened when the user double-clicks a file.

HKEY_CURRENT_CONFIG (HKCC)

Registry key that contains Plug and Play information about the hardware configuration that is used by the computer at startup.

HKEY_CURRENT_USER (HKCU)

Registry key that contains data about the current user. The key is built when a user logs on using data kept in the HKEY_USERS key and data kept in the Ntuser.dat file of the current user.

HKEY_LOCAL_MACHINE (HKLM)

Registry key that is the most important key and contains hardware, software, and security data. The data is taken from four hives the SAM hive, the Security hive, the Software hive, and the System hive. In addition, the HARDWARE subkey of HKLM is built when the registry is first loaded, based on data collected about the current hardware configuration.

HKEY_USERS (HKU)

Registry key that contains data about all users and is taken from the Default hive.

Microsoft Management Console (MMC)

Used to build your own custom consoles from available snap-ins.

Perfmon.msc

MMC snap-in that collects, records, and displays events.

ReadyBoost

Uses a flash drive or secure digital (SD) memory card to boost hard drive performance.

registry

a database designed with a treelike structure (called a hierarchical database) that contains configuration information for Windows, users, software applications, and installed hardware devices.

Registry Editor (Regedit.exe)

Is used to edit the register in real time. There is no way to undo changes you make to the registry. Therefore, you should always make a backup before editing it.

Reliability and Performance Monitor

Useful tool to determine the source of a performance drain on the system.

snap-ins

Individual tools within a console.

System Configuration Utility (Msconfig.exe)

Used to find out what processes are launched at startup and to temporarily disable a process from loading.

Task Manager (Taskmgr.exe)

Allows you view the applications and processes running on your computer as well as information about process and memory performance, network activity, and user activity.

Task Scheduler

A nap-in that that can be set to launch a task or program at a future time, including at startup.

Vista Upgrade Advisor

A program that can be run to make sure that all hardware or software installed on the system is compatible with Windows Vista.

Windows Experience Index

A summary index designed to measure the overall performance of a system.

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