Canonical: https://screensie.com/knowledge-base/

Find practical Windows, Linux, networking, printer, and security guides. Follow step-by-step instructions to troubleshoot PCs and verify your results.

SCREENSIE SUPPORT LIBRARY


# IT Knowledge Base




The Screensie IT Knowledge Base is a library of practical guides for Windows, Linux, networking, printers and everyday PC support.


 


## Which guide should I start with?




Choose the topic that matches the problem, or search for the exact error or task. Check the guide's supported platform before following its steps.




For a printer that will not print, start with its connection and queue. For a PC that cannot reach a shared folder, start with networking. For a slow computer, collect system information and the symptom before choosing a repair. These topic pages help you find the relevant instructions; each guide explains the task and how to check the result.




[**Operating Systems**Practical operating systems guides and troubleshooting.](https://screensie.com/knowledge-base/operating-systems/)
[**Windows Administration**Practical windows administration guides and troubleshooting.](https://screensie.com/knowledge-base/windows-administration/)
[**Command Line**Practical command line guides and troubleshooting.](https://screensie.com/knowledge-base/command-line/)
[**Networking**Practical networking guides and troubleshooting.](https://screensie.com/knowledge-base/networking/)
[**Printers**Practical printers guides and troubleshooting.](https://screensie.com/knowledge-base/printers/)
[**Files & Storage**Practical files & storage guides and troubleshooting.](https://screensie.com/knowledge-base/files-storage/)
[**Software**Practical software guides and troubleshooting.](https://screensie.com/knowledge-base/software/)
[**Performance**Practical performance guides and troubleshooting.](https://screensie.com/knowledge-base/performance/)
[**Security**Practical security guides and troubleshooting.](https://screensie.com/knowledge-base/security/)
[**Troubleshooting**Practical troubleshooting guides and troubleshooting.](https://screensie.com/knowledge-base/troubleshooting/)
[**Browsers**Practical browsers guides and troubleshooting.](https://screensie.com/knowledge-base/browsers/)
[**Remote Support**Practical remote support guides and troubleshooting.](https://screensie.com/knowledge-base/remote-support/)
[**Hardware**Practical hardware guides and troubleshooting.](https://screensie.com/knowledge-base/hardware/)


 


## Featured guides




[Command Line

### PowerShell Basics for Beginners

Open PowerShell, discover commands, and work with objects safely. 7 min · Easy](https://screensie.com/knowledge-base/command-line/powershell/powershell-basics/)




[Networking

### How to Create a Network Share in Windows

Share a folder with specific people on a trusted Windows network. 7 min · Easy](https://screensie.com/knowledge-base/networking/network-shares/create-network-share/)


 


## Recently updated




[Networking

### How to Reconnect After a Wi-Fi Password Changes

Forget an old Wi-Fi profile and reconnect using the new password. 6 min · Easy](https://screensie.com/knowledge-base/networking/wi-fi/change-wifi-password-connection/)




[Windows Administration

### How to Create a Local User Account

Add a separate local Windows account without reusing another person's profile. 7 min · Easy](https://screensie.com/knowledge-base/windows-administration/users-groups/create-local-user/)




[Files & Storage

### How to Show File Extensions

Make Windows display extensions such as .pdf, .jpg, and .exe. 6 min · Easy](https://screensie.com/knowledge-base/files-storage/files-folders/show-file-extensions/)




[Operating Systems

### How to Take a Screenshot in Windows

Capture the whole screen, one window, or a selected region. 6 min · Easy](https://screensie.com/knowledge-base/operating-systems/windows/take-screenshot-windows/)




[Windows Administration

### How to Open Task Scheduler

View automated Windows tasks and their recent result. 6 min · Easy](https://screensie.com/knowledge-base/windows-administration/task-scheduler/open-task-scheduler/)




[Windows Administration

### How to Open Event Viewer

View Windows system and application event logs. 6 min · Easy](https://screensie.com/knowledge-base/windows-administration/event-viewer/open-event-viewer/)




[Command Line

### Advanced Legacy WMIC Queries and CIM Migration

Translate WMIC WHERE and GET expressions into supported PowerShell CIM filters. 7 min · Advanced](https://screensie.com/knowledge-base/command-line/command-prompt/legacy-advanced-wmic/)




[Command Line

### Legacy Networked WMIC Operations and Safer CIM Alternatives

Translate older WMIC /node workflows to authenticated PowerShell CIM sessions. 7 min · Advanced](https://screensie.com/knowledge-base/command-line/command-prompt/legacy-networked-wmic/)




[Command Line

### Legacy WMIC Basics and Modern Replacements

Understand common WMIC inventory commands and their supported PowerShell CIM replacements. 7 min · Easy](https://screensie.com/knowledge-base/command-line/command-prompt/legacy-wmic-basics/)