Question 1

Why does my keyboard type the wrong characters?

Accepted Answer

Almost always because the **software keyboard layout** does not match the **physical keyboard**, so the system is interpreting each key according to a different map from the one printed on the keys.

**The classic symptoms of a UK keyboard set to US layout:**

**@ and " are swapped.** Pressing Shift+2 gives @ instead of ", and Shift+' gives " instead of @.

**The £ sign produces # instead.**

**The backslash and hash keys behave oddly**, and the UK keyboard's extra key near the left Shift does nothing useful.

This is the single most common instance, and it appears constantly after installing an operating system, restoring a backup or connecting a keyboard bought abroad.

**How to fix it.** Change the input language or keyboard layout in system settings to match the physical keyboard — United Kingdom for a UK keyboard, United States for a US one. Note that **region and keyboard layout are separate settings**, and setting the region alone does not change the layout.

**Other causes worth checking:**

**Accidental layout switching.** Both Windows and macOS have a keyboard shortcut cycling between installed layouts — on Windows commonly **Windows+Space** or Alt+Shift. It is easy to trigger by accident and baffling if you do not know it exists. Removing unused layouts entirely prevents recurrence.

**Num Lock off** on a compact or laptop keyboard, turning part of the letter area into a numeric keypad — so typing letters produces digits.

**Sticky Keys or Filter Keys** enabled accidentally, usually by pressing Shift five times, which triggers a prompt people dismiss without reading.

**A stuck modifier key.** A physically stuck Ctrl, Alt or Fn makes every keypress do something unexpected.

**Dead keys** in layouts designed for accented characters, where an apostrophe or quote waits to combine with the next letter and appears to do nothing.

**Genuine hardware failure** — liquid damage or debris — typically affects specific keys consistently rather than changing which character appears.

Question 2

Why does my document look different on someone else's computer?

Accepted Answer

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Question 3

Why does my drive show less storage than advertised?

Accepted Answer

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Question 4

Why does formatting break when I paste between apps?

Accepted Answer

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Question 5

Why does my calendar invite show the wrong time?

Accepted Answer

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Question 6

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Accepted Answer

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Question 7

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Accepted Answer

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