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    • How to Change Resolution in Windows 10?

      How to Change Resolution in Windows 10?

      Screen resolution is a number of pixels (small dots) your screen has horizontally, multiplied by the number of pixels vertically. The more pixels you have, the better the quality of the image. Resolution numbers are represented in the following formats: 800×600, 1024×768, 1366×768, 1600×900, 1680×1050, 1920×1080, 2560×1440 and so on… In practice, lower resolution means that

    • Error Loading Operating System

      Error Loading Operating System

      The Error Loading Operating System error appears when an operating system fails to load properly. This error is localized to the Microsoft Windows XP operating system, so users of other operating systems should not face this problem. Essentially, the Error Loading Operating System error occurs at a point between the computer’s BIOS running checks on

    • Understanding and Implementing Access Control

      Understanding and Implementing Access Control

      An Overview of Access Control Allowing users and computers unlimited access to system resources and network resources can ultimately compromise the security and stability of an organization. Even though users and computers need to access network and system resources to perform certain tasks, the access that they require should be limited to those necessary to

    • Troubleshooting ISA Server

      Troubleshooting ISA Server

      Tools for Troubleshooting ISA Server There are a variety of tools that you can use to troubleshoot ISA Server. The type of issue would determine which of the tools(s) listed here you need to use: ISA Server Reports tool: You can use the reporting feature included with ISA Server to obtain and view information on

    • NTFS File Compression

      NTFS File Compression

      One feature available when you format a volume with the NTFS file system is file compression. NTFS compression can only be applied to a partition or volume that is formatted with the NTFS file system. Through NTFS, you can create additional storage space for files by compressing either single files, or all files in a

    • Understanding the Department of Defense Network Model

      Understanding the Department of Defense Network Model

      Department of Defense Network (DoD) Network Model Introduction Back in 1960, systems were primarily made up of mainframe computers, and were typically owned by fairly large companies and government institutions. Because mainframe computers run different proprietary software, and due to mainframes not being able to communicate between each other, special code (interface) had to be

    • How to Find the Windows Version on a PC

      How to Find the Windows Version on a PC

      In many situations, it is extremely important to know the Windows software version that one’s computer is running. While it is obvious whether a computer user is running Windows 98 compared to Windows XP from the welcome screen, knowing the version and other information about the operating system can help a user avoid problems loading

    • Active Directory Replication

      Active Directory Replication

      The initial Windows NT versions were designed as single master network environments. The primary domain controller (PDC) was responsible for managing the domain database’s master copy. The PDC was therefore responsible for replicating any changes to the backup domain controllers (BDCs). In these environments, any changes had to be performed on the PDC, which then

    • I/O Device Error

      I/O Device Error

      A common error encountered by Microsoft Windows users when trying to read or write from a drive, disk, or portable media device is the I/O device error. When this error is generated, the transfer mode that the operating system is attempting to use for the operation may not be recognized. The I/O error may be

    • Device Driver has corrupted the executive memory pool

      Device Driver has corrupted the executive memory pool

      If you receive an error message which reads: Windows error "Device Driver has corrupted the executive memory pool., it basically means that there is a corruption with a driver somewhere on your system. This issue can occur when an attempt to touch invalid memory at a process IRQL that is too high occurs. This is

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