How to

Check GPU usage in Windows 11 and 10 with Task Manager: press Ctrl + Shift + Esc and open Performance > GPU. Plus per-app usage, nvidia-smi and the NVIDIA overlay.

Recover an unsaved Word document from File > Info > Manage Document > Recover Unsaved Documents, or find AutoRecover .asd, .tmp and .wbk files on PC and Mac.

Virus removal for beginners: run a full Microsoft Defender scan, then an offline scan, on Windows 11 or 10. Mac steps, Safety Scanner, Reset this PC and fixes.

Find my phone on Samsung: locate a lost Galaxy phone or tablet with Samsung Find or SmartThings Find, then ring, lock or erase it, or use Google Find Hub.

Open Local Users and Groups on Windows 11 with lusrmgr.msc from Run, Computer Management, CMD or PowerShell, plus fixes and command-line options for Home.

Network monitoring tools for 2026: Wireshark, Packet Monitor, Nmap and Cloudflare Network Flow for free, plus Cisco ThousandEyes, FortiMonitor and Azure picks.

Speed up your computer or laptop on Windows 11/10: disable startup apps, free disk space, install updates, set power mode and check Task Manager. Steps for both.

MacBook Air ports: a MagSafe 3 charging port, two Thunderbolt 4 (USB-C) ports and a 3.5 mm headphone jack, plus older layouts, adapters and display limits.

Open source alternatives to Adobe Acrobat: read, edit, fill and sign PDFs in Firefox, and create, protect and redact PDFs with LibreOffice, all free.

Open a JSON file in Notepad, Notepad++, VS Code, Edge or Firefox, Excel, Python or TextEdit. Steps to read it in a readable format and fix files that won’t open.

Clean the print head in Windows 11 from Printing preferences, the printer maker’s app or the control panel, then run a nozzle check to confirm the fix.

Ping an IP address in Windows with ping 8.8.8.8 in Command Prompt, or in a Linux terminal with ping -c 4. Continuous pings, ports, PowerShell and fixes.