Word Heading Numbers Show Black Boxes? Reset the List Font
Black boxes where your Word heading numbers should be come from the list template font, not the heading. A short macro resets it for good; the quick repaint fades.
Menu Item Stuck on Screen? Clear the Leftover Fade
A menu item or Close label frozen on your screen is a fade that never finished. Reopen the menu, restart Explorer or change the resolution, then turn the fade off.
Notepad Text Suddenly Right to Left? Press Ctrl+Left Shift
Notepad text jumped to the right edge? Ctrl with the right Shift key switched it to right to left. Press Ctrl+Left Shift or clear Right-to-left reading order.
Port 80 Used by System, PID 4? Find the Real Owner
Port 80 held by System, PID 4? HTTP.sys is holding it for a service. netsh http show servicestate names that service; stop it, or move your own server to another port.
Dotted Lines in Excel Won’t Go Away? Turn Off Page Breaks
Dashed lines across your Excel sheet after printing or Page Setup are page breaks. Clear Show page breaks in Options, Advanced, for that sheet, from Normal view.
Excel Adds Quotes When You Copy? The Line Break Is Why
Excel puts quote marks around a copied cell when it holds a line break, carriage return or tab. Copy from inside the cell, paste through Word, or change the formula.
COM Port Says In Use? Free the Numbers Windows Kept
Every low COM port number marked in use? Old devices still hold them. Show hidden devices in Device Manager, uninstall the faded ports, then reset ComDB only if needed.
Windows Lowers the Volume by Itself? Check Communications
Windows lowers your music or game volume during calls? The Communications tab ducks other sounds by 80 . Set it to Do nothing, then check the call app and audio software.
USB Drive Shows Only 32 GB? Get the Full Size Back
USB stick showing 32 GB or a few MB after a Windows installer or Linux image? The rest is unallocated. Delete the small volume in Disk Management, or clean it in diskpart.
Excel Turning Long Numbers Into E+? Fix It Before You Paste
Excel shows long numbers as E+ or turns the last digits into zeros? Up to 15 digits use the custom format 0; longer codes must arrive as text, before you paste.