PC Won’t Boot From USB? Match the Stick to the Firmware
PC skips your USB stick even with the boot order set? Pick the UEFI entry in the one-time boot menu, remake a copied or exFAT stick as FAT32, or turn on CSM.
Numpad Types a Comma Instead of a Dot? The Layout Decides
Your number pad’s decimal key types a comma when you want a dot, or the reverse? The keyboard layout decides it. Switch to a twin layout or remap it in PowerToys.
Back Up Your File Encryption Key Pop-Up? Find the Key First
Encrypting File System asks you to back up your file encryption key? It is a real prompt. Run cipher /u /n /h to see what is encrypted before you pick Never back up.
Transparent Image Turns Black When Pasted? Insert the File
A transparent PNG pastes with a black background? The plain bitmap copy drops transparency. Save the picture and insert the file, or paste Chrome copies into Word.
Remote Desktop Won’t Go Full Screen? Reset the Saved Size
Remote Desktop stuck in a small window with scroll bars? Press Ctrl+Alt+Break, set the Display slider to full screen and save, or start mstsc /f from Run.
Can’t Copy Text From a PDF? Tell a Scan From a Lock
Nothing highlights, Copy is grayed out, or the paste comes out as symbols? Those are three different PDFs. Word reads a scanned page; a locked one needs its sender.
Mac Tilde Key Types a Section Sign? Reset the Keyboard Type
Your Mac types the section sign or plus-minus where the tilde should be? It has filed your keyboard as ISO. Delete com.apple.keyboardtype.plist, restart and choose ANSI.
No Outlook Alert When a Rule Moves Mail? Add an Alert Rule
Outlook only alerts for mail that lands in the Inbox, so mail a rule moves arrives silently. Add a separate alert-only rule in classic Outlook; new Outlook needs a category.
No Shut Down in Remote Desktop? Use Alt+F4 or a Command
Windows 11 leaves Shut down out of Start in a Remote Desktop session. Go full screen and press Alt+F4 on the desktop, run shutdown /r /t 0, or use Ctrl+Alt+End.
USB Mouse Keeps Disconnecting? Check Power Saving First
USB mouse disconnecting and reconnecting with the Windows sound? Clear the power saving box on its USB Input Devices and hub, test selective suspend, then the port and cable.