How to

Change printer default settings in Windows 11 and 10: pick the default printer, set greyscale, duplex and paper size in Printing preferences, and stop changes.

Access BIOS on your PC with a startup key, the UEFI Firmware Settings option in Windows, or shutdown /r /fw. Brand keys and fixes when the option is missing.

Disable Sticky Keys on Windows 11 or 10 in Settings > Accessibility > Keyboard, stop the Shift-five-times prompt, and fix Sticky Keys that keeps turning on.

Restore tabs in your browser with Ctrl + Shift + T in Edge, Chrome, Firefox and Opera, or Shift-Command-T in Safari. Plus startup settings, history and fixes.

Force restart or hard reset any iPhone: the button sequence for iPhone 8 and later, iPhone 7 and iPhone 6s, plus how a factory reset differs and erases data.

Turn off Fn Lock on Windows 11 by pressing Fn + Esc on most laptops. Brand steps for Dell, Lenovo, ASUS and Surface, BIOS settings and fixes when it stays on.

Perform an advanced search in Google with the Advanced Search page or operators like site:, filetype: and before:. Includes which operators Google has retired.

My Computer is called This PC in Windows 11 and 10. Open it from File Explorer, add the desktop icon, make Explorer start there, and fix it when it is missing.

Open Task Manager with Ctrl + Shift + Esc on Windows 11 and 10. All 12 shortcuts in one table, plus how to run it as admin and fix it when it is disabled.

Find the HWID in Windows 11 in Device Manager: open the device’s Properties, then Details, then Hardware Ids. Plus pnputil, PowerShell, serial number and UUID.

Update Roblox on Windows and Mac by launching a game from roblox.com, updating in Microsoft Store, or reinstalling. Plus Roblox Studio and fixes when it fails.

Reset all settings in Windows 11 from Settings > System > Recovery > Reset PC, or reset one app or your network. See what each reset keeps, removes and can undo.