Articles in Systems | UserComp.com

How to Connect OpenWRT to Hotspot for Package Installation

Configure OpenWrt to connect to a Wi-Fi hotspot as a client and enable NAT so LAN devices can access the internet.

Windows 10: Folder Unavailable Error When Trying to Access Folders in File Explorer

Resolve the Windows 10 Folder Unavailable error by restarting Explorer, running SFC to repair corrupted files, and verifying user permissions.

Windows Extremely Slow: BIOS Screen Remains Closed After 40 Seconds

Resolve Windows extremely slow startup caused by BIOS screen remaining closed after 40 seconds by resetting BIOS defaults, disabling unused ports, and updating firmware.

Bash Script to Wait for GPU Memory to Free Up Before Running PyTorch Training Script

Resolve PyTorch Out of Memory errors by automatically waiting for sufficient GPU VRAM to become available before launching training jobs.

Windows 11: Admin User Can't Open Device Manager

Resolve Windows 11 admin access failure to Device Manager by repairing system files, adjusting Group Policy, or disabling conflicting security software.

Understanding Windows Auto-Repair in Wix Installer for Cross-Platform Applications

Implement custom rollback logic in WiX to restore application state after installation failures, as Windows lacks native auto-repair for individual apps.

How to Make rsync Update Files Transferred in Previous Executions

Use the -u flag to prevent rsync from overwriting newer destination files during synchronization.

Use Logitech MX Master 3 Mouse Thumb Button to Activate Window Switcher with xbindkeys on Linux

Map Logitech MX Master 3 thumb button to switch windows on Linux using xbindkeys and xdotool.

Converting a Data Partition to a Bootable Partition for Dual-Booting Windows 11 and 10

Resolves the issue of converting a data partition into a bootable volume for dual-booting Windows 10 and 11.

Internet Connection Slows Down After Opening Any Software

Resolve internet slowdowns on Windows 11 caused by background bandwidth consumption, QoS policies, or driver conflicts when launching software.

Troubleshooting Ubuntu 20.04.6 LTS Machine with Large Storage Usage

Resolve high disk usage on Ubuntu 20.04.6 LTS by cleaning APT caches, managing systemd journal logs, and identifying large directories with ncdu.

Function Search: Sum Certain Range in Respective Columns

Sum specific ranges in respective columns using SUM, SUMIF, and dynamic search functions like INDEX-MATCH or XLOOKUP.

Mouse Orientation Changes and Code/Text Folding Issues

Fix mouse orientation changes and code folding issues on Windows 11 by adjusting display settings, resolving IDE conflicts, and updating drivers.

Fixing Windows 11 Sleep Mode Issue: Hearing Chvoices on WhatsApp and Skype

Resolve Windows 11 sleep mode audio issues by disabling network adapter wake permissions and restricting background app activity for WhatsApp and Skype.

Troubleshooting Subdomain File Hosting with Autoindex on Nginx

Resolve Nginx 403 Forbidden errors on subdomains by adding autoindex directives, fixing directory permissions, and removing conflicting proxy_pass rules.

Simple Bash Script to Delete Files Fails on Ubuntu

Fix Bash scripts failing to delete files on Ubuntu by resolving permission errors, path resolution issues, and unsafe globbing patterns.

Troubleshooting Wifi Dongle on Armbian: nl80211 Driver Doesn't Work

Resolve Armbian nl80211 Wi-Fi driver failures by installing missing firmware and configuring wpa_supplicant.

Easy Tips to Register Portable/Standalone Apps on Windows

Register portable apps on Windows by manually editing the registry to create ProgIDs and file associations for system shell integration.

Fixing PNG Thumbnail Display Issue on Windows 10

Resolve missing PNG thumbnails in Windows 10 Explorer by clearing the corrupted thumbnail cache and verifying file associations.

Accessing Old Linux SATA HDD via USB-to-SATA Adapter on Windows 10 - Do I Need Special Software?

Resolve Windows 10 not recognizing Linux ext4 drives by installing Ext2Fsd to enable file access.

Cannot ssh into self hosted server from public IP

Resolve SSH connection failures from public IP by troubleshooting port forwarding, firewall rules, and ISP blocking.

How to Write the Last 4 Bytes of a Disk via CLI: A Tech Support Guide

Resolve the problem of writing exactly four bytes to the end of a disk using the dd command with precise offset calculation.

How to Use Specific Dynamic Wallpaper State on Mac

Lock macOS dynamic wallpaper to a specific time-of-day state by extracting the source image from the system library and setting it as a static background.

Preventing Unauthorized Programs from Reading Files in Windows 10

Block unauthorized programs from reading personal files in Windows 10 by configuring NTFS Access Control Lists to deny read permissions.

Prevent File Open Dialog from Grouping Files by Date Modified

Stop Windows File Explorer from grouping files by date in the Downloads folder to restore a standard flat list view.

Should I Reset Windows on an Open-Box Laptop?

Resetting Windows on an open-box laptop removes potential spyware, bloatware, and unstable configurations to ensure a secure system.

Can't Create or Modify Files/Folders in Ubuntu 20.04 LTS

Resolve permission denied errors in Ubuntu 20.04 by correcting file ownership with chown, adjusting permissions with chmod, and removing immutable attributes.

Notepad++ File Association Issue in Windows 10

Fix Notepad++ failing to open .txt files in Windows 10 by manually reassigning the file association through Settings or the context menu.

Microphone Being Recognised as a Headphone: How to Fix the Issue

Resolve Windows incorrectly identifying a microphone as headphones by verifying physical connections, updating audio drivers, and adjusting privacy settings.

Windows 11 CDPSVC Background Service Fails to Start

Resolve Windows 11 CDPSVC service failure by repairing corrupted files, verifying dependencies, and isolating software conflicts.

No Space Left: Device Shows Free Space, But Nothing Works (Debian)

Resolve Debian write failures caused by inode exhaustion or full reserved root space by identifying high-file-count directories and adjusting filesystem settings.

Run Single Command via SSH to WSL 2 from Windows Command Line

Resolve the inability to execute single commands in WSL 2 via SSH from Windows by configuring OpenSSH server and network connectivity.

Change Primary Video Device on Linux

Resolve incorrect camera selection on Linux by configuring applications or udev rules to use specific /dev/video nodes.

Configuring DNS Server Network Interfaces for WiFi Networks on MacOS

Configure SSID-specific DNS resolvers on macOS to optimize network performance and security for different Wi-Fi networks.

Windows Server 2008 R2 System Keep Changing Time Every Hour

Resolve Windows Server 2008 R2 clock drifting by disabling Hyper-V time sync and configuring the W32Time service with a reliable NTP source.

Most Important Drive Characteristics for Swapfile/Swappartition/Pagefile

Optimizes system responsiveness and prevents thrashing by selecting drives with high IOPS, low latency, and sufficient endurance for swap space.

Connect SMB Shared Printer on Windows 11: Troubleshooting Add-Printer Connection Error

Resolve Add-Printer connection errors for SMB shared printers on Windows 11 by fixing network discovery, credentials, and protocol settings.

RE: PascalABC.NET on Surface RT (ARM32)

Explains why PascalABC.NET cannot run on Surface RT due to ARM32 architecture and provides remote desktop alternatives.

Turn Off Persistent Startup Apps in Windows 11

Disable persistent startup apps in Windows 11 to improve boot time and reduce resource consumption.

Windows 10 Restart Error and EventViewer Critical Event

Resolve Windows 10 restart loops by identifying and uninstalling faulty drivers via Event Viewer and Device Manager.

Why Does a Folder Get Automatically Created in /home/myuser/ When I Create a Folder in the Root Directory?

Explains why folders appear in the home directory after creation in root due to file manager mounts, symlinks, or scripts.

Calculating Precise Partition Size for Desired Displayed Size in Windows

Resolve Windows partition size discrepancy by converting desired decimal gigabytes to binary bytes using the 1,000,000,000 divided by 1,073,741,824 formula.

How to Avoid Update 'Pending Restart' on Windows 11

Manage Windows 11 pending restart interruptions by scheduling active hours and configuring update notifications to minimize workflow disruption.

Ghost MDADM RAID Array Appearing at Boot: A Tech Support Mystery

Resolve the md127 ghost array appearing at boot by clearing MDADM superblock metadata on underlying disks.

Troubleshooting Windows OS Migration with UEFI Mode and MBR Disk

Resolve Windows OS migration failure in UEFI mode caused by incompatible MBR disk partition style.

Freeing Up Space on OneDrive from WSL2: A Step-by-Step Guide

Resolve WSL2 VHDX file bloat by compacting the virtual disk after clearing Linux files and shutting down OneDrive.

Windows 11: ServiceHost:WaaSMedicSvc using Google Chrome with High Memory Consumption

Resolve high memory consumption by ServiceHost:WaaSMedicSvc in Windows 11 that appears linked to Google Chrome.

SSH Key WorksWith FileZilla: Not PuTTY

Resolve PuTTY authentication failures after Raspberry Pi Bullseye upgrade by converting OpenSSH keys to PPK format.

Enable Normal Users to Access VMs in Hyper-V Host using vmconnect.exe while Restricting Access to Hyper-V Manager

Grant normal users vmconnect.exe access to Hyper-V VMs by adding them to the Hyper-V Administrators group while restricting full Hyper-V Manager privileges.

Netbooting Debian 12 with NFS Root: No Root Access

Resolve Debian 12 PXE netboot root access failures by embedding NFS modules in initramfs and configuring fstab with _netdev to prevent race conditions.