Shima System Academy

This section explains how to check the private IP address of the computer used in Windows 10 and how to change it manually. The private IP address corresponds to the address assigned to your computer. This article explains how to check and set using GUI (graphical operation) and command (ipconfig).

We recommend a maximum length of 63 bytes for the PC name and a maximum of 15 characters. This time, I will explain how to change the computer name setting in Windows 10 and how to check the PC name using the command prompt (cmd) as a supplement.

Checkdisk is a drive error checking tool used by the Windows OS standard. If a system error or bad sector (area where data cannot be recorded) is detected and an error is found, it may be possible to repair it with Checkdisk. This article explains how to execute the check disk and how to check the result using the event log.

Defragmentation is a feature that reorganizes fragmented files on a drive into the correct location. You can do it with the tool "Defragment and Optimize Drives" that is available as standard in Windows 10. Defragmentation execution time may take some time depending on the capacity of the drive and the number of fragmented files. If you are using a laptop computer, we recommend that you run it with the AC adapter connected.

.NET Framework 3.5 may be required depending on the application used on the Windows 10 PC. By default (initial state), ".NET Framework 3.5" is not installed in the OS. This time, I will explain how to manually install .NET Framework version 3.5.

If the computer does not work due to a sudden restart, blue screen error, or freeze when using Windows 10, there may be a problem with the OS, disk, or memory. First of all, we recommend the standard Windows software "Windows Memory Diagnostic". This time, I will introduce how to check the log result in the memory diagnosis and event viewer.

To create a local user using the Windows 11 GUI (except Windows 11 Home Edition), add it from Computer Management-> System Tools-> Local Users and Groups.

If you want to use different accounts for multiple users of Windows 11 Home PC, you can use personal folders and desktops by adding users with local accounts from "Settings"-> "Family and other users". This article describes how to create a user for a local account in Windows 11 Home edition.

You can find the location where you can search for users, contacts, groups, computers, printers, etc. of domain resources in Active Directory Domain Services (AD DS) from "Search Active Directory". This article describes the procedure for searching from a domain-joined Windows 11 device.

Explorer on a Windows 11 computer is a type of program called a filer that is used to open frequently used folders. You can display C drive, D drive, download, document folder, etc. In addition, it is an application that is often used in various situations such as file movement, file copy, and program startup. Let's utilize it because it is a convenient function.

Windows Security is antivirus application software that comes standard with Windows 11. You can protect your computer by detecting and blocking viruses, spyware and other malicious software. This time, I will explain the quick scan, full scan, custom scan, and offline scan methods.

Airplane mode, which is a standard function of Windows 11, is a function that makes it impossible to send and receive all wireless communications such as Wi-Fi, mobile network, and Bluetooth. There are scenes where airplane mode is set in places where external communication is prohibited. When airplane mode is enabled, it is possible to block external communication via Wi-Fi and make it impossible to connect to the Internet.

This section explains how to check the private IP address of the computer used in Windows 11 and how to change it manually. The private IP address corresponds to the address assigned to your computer. This article explains how to check and set using GUI (graphical operation) and command (ipconfig).