Windows11

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).

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.

For system restore, it may be possible to improve the symptom of the error occurring in the OS by returning the setting information to the restore point at the time of acquisition in advance. It is not a backup function for restoring personal files and folders that have been accidentally deleted. It is a function to restore Windows files, settings, and registry by returning to a specific point before.

Virtual machines on the sandbox can be run without being affected by viruses or unknown programs, such as when browsing software installation verifications or websites that are unreliable in terms of security. When the sandbox is stopped, the OS status such as website history, changed settings, and installed software is completely destroyed.

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 11 and how to check the PC name using the Windows terminal (PowerShell) as a supplement.

.NET Framework 3.5 may be required depending on the application used on the Windows 11 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 11, 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 explain how to check the log result in the memory diagnosis and event viewer.

Startup can be automatically started when the PC is started by registering and setting frequently used applications such as Web pages, Outlook, and Onedrive. This is a convenient function because it is not necessary to start from the program icon after starting the PC. This time, I will explain how to add application software to startup on a Windows 11 computer.

Disk Cleanup is a feature that frees up disk space by deleting unnecessary files. You can free up disk space by deleting files such as "downloaded program files", "temporary Internet files", and "Recycle Bin". Disk Cleanup is an effective method when the C drive is under pressure and Windows is slow and the drive is running low on free space.

Domain join for Windows 11 runs on editions other than Windows 11 Home. Home edition does not have domain join function. Also, as a prerequisite for joining the Active Directory domain, check that the IP address of the domain controller is set in the "DNS server" setting item, and then execute the procedure.

In order to connect and recognize the hard disk / SSD to be added separately from the hard disk / SSD on which Windows 11 is installed, "Disk Management"-> "Initialize Disk"-> "Unallocated" area on the OS Must be formatted. After formatting, it can be used as a new partition (D drive, E drive, etc.).

To prevent the connection of USB devices on your Windows 11 computer, you can deny the connection of USB devices by launching Group Policy and enabling "Deny access to all removable storage classes". If you connect the removable disk to your PC with Group Policy applied, the device will be displayed, but when you open the drive, the access will be denied.

Windows Defender can disable the virus scanning feature in the GUI, Local Group Policy Registry. This time, I will explain the temporary disabling in the GUI in Windows 11 Pro and the permanent disabling setting procedure using the Local Group Policy Editor / Registry Editor.

Windows 11 : Internet Information Services is not installed by default. To add features, you need to enable and install the Internet Information Services checkbox in Control Panel -> Uninstall a program -> Turn Windows features on or off.