Tech Repair Blog — Page 3

How to Change DNS on Windows 11

Change DNS to Cloudflare, Google, or Quad9 on Windows 11. Settings method, Control Panel method, DNS over HTTPS setup, and which server to pick.

May 27, 2026

Set a custom wallpaper, slideshow, or Windows Spotlight on Windows 11. Fix wallpaper not changing or reverting to black.

May 27, 2026

Check CPU temperature with HWiNFO, understand what numbers mean for your chip, stress test properly, and spot thermal throttling. Desktop and laptop.

May 27, 2026

Check how much RAM you have, its speed, channel config, and health. Task Manager, CPU-Z, MemTest86 guide for Windows 11.

May 27, 2026

How to defragment hard drives and optimize SSDs on Windows 11. When defrag helps, why SSDs use TRIM instead, and when to just get an SSD.

May 27, 2026

Disable Windows Defender temporarily or permanently on Windows 11. Real-time protection toggle, Group Policy, registry, and Tamper Protection bypass.

May 27, 2026

Enable virtualization (VT-x/SVM) in BIOS for Docker, WSL2, Android emulators, and Hyper-V on Windows 11. Intel and AMD steps included.

May 27, 2026

Find your Windows product key from firmware, PowerShell, or Microsoft account. What to do when the key is lost and when you actually need it.

May 27, 2026

Enter BIOS on Windows 11 via Shift+Restart or POST keys. Dell F2, HP F10, Lenovo F1, ASUS Del. Works on laptops and desktops.

May 27, 2026

Partition your drive in Windows 11 with Disk Management. Shrink, create, delete, and merge partitions without third-party tools.

May 27, 2026

Reset network adapters, TCP/IP, Winsock, and DNS on Windows 11. Fixes WiFi connected but no internet and unidentified network.

May 27, 2026

Record your screen on Windows 11 with Xbox Game Bar, Snipping Tool, or OBS Studio. Full desktop, audio, and troubleshooting guide.

May 27, 2026