PC

Make Chrome, Firefox, or another browser the default on Windows 11. Here's the one-click Set default button, covering PDF and links, and why it reverts.

Wi-Fi says 'No Internet, secured' on Windows 11? You're connected but something blocks the internet. Forget the network, reset TCP/IP, and more fixes here.

Switch Windows 11 to dark mode in Settings, Personalization, Colors. Here's the exact path, how to darken only apps or the taskbar, and how to schedule it.

Windows 11 doesn't show CPU temperature on its own. Here is how to read it in the BIOS or a free tool, and what counts as a safe temperature.

Windows 11 CPU stuck near 100%? Find the process in Task Manager, then tame the usual causes — Defender scans, WMI, indexing, and too many startup apps.

A Windows 11 update stuck at a percentage is often still working. Here is how long to wait, then the safe way to reset Windows Update and move on.

If the Windows 11 taskbar is frozen, missing, or ignoring clicks, restart Explorer first, then re-register the shell and check for updates. Full steps here.

Windows 11 stuck at 100% disk usage? Find the process in Task Manager, then calm SysMain, Windows Search, and the few known culprits to get speed back.

A black screen on Windows 11 comes in two forms: before sign-in and after. Here is how to wake the display, restart Explorer, and boot Safe Mode to fix it.

UNMOUNTABLE BOOT VOLUME on Windows 11 usually points to a damaged file system or boot record. Fix it with Startup Repair, chkdsk, and bootrec.