The most widespread myth in the world of computing is that when a keyboard suddenly starts swapping “A” with “Q” or “Z” with “W”, the device is physically broken or, even worse, infected with a virus. The truth is much more trivial and counter-intuitive: if your AZERTY keyboard keeps typing the wrong characters , your hardware is perfectly intact. The real culprit is a legacy Windows feature, activated by a keyboard shortcut (Alt+Shift) that no one ever requested, but which Microsoft keeps active by default. Buying a new keyboard will be useless; the solution requires exactly two minutes of software configuration to defuse this invisible trap.
Type the incorrect character you see on the screen to find out which physical key you pressed on the wrong layout. Useful for recovering passwords typed “blindly”.
Why does the keyboard change language by itself?
If your AZERTY keyboard keeps typing the wrong characters, the culprit is the Alt+Shift system shortcut. Windows uses this default combination to swap input layouts, instantly turning your French setup into an American or Italian one without any obvious visual cues.
The AZERTY layout is the standard used in French-speaking countries. Its key arrangement differs significantly from the QWERTY layout (used in Italy and English-speaking countries). When you accidentally press the Alt + Shift (or Windows + Space ) combination, the operating system switches to the next layout in the list of installed languages. This happens very often during fast typing sessions or in gaming, where these key combinations are pressed inadvertently.
| Key pressed (Physical AZERTY) | Output if Windows switches to QWERTY |
|---|---|
| A | Q |
| Z | W |
| Q | A |
| M | , (Comma) |
Check and set the active layout on Windows

To solve the problem of the AZERTY keyboard displaying the wrong characters , you need to check the language bar in the bottom right corner. According to official Microsoft documentation, by clicking on the language icon you can manually force the layout to FRA (French AZERTY).
The first operational step is to regain control of the operating system. Here's how to check which layout is currently interpreting your input:
- Look at the bottom-right corner of the screen, near the system clock.
- Look for a small icon with three letters (e.g., ITA , ENG , or FRA ).
- Click this icon to open the input methods drop-down menu.
- Select French (France) - AZERTY keyboard to immediately restore the correct functioning of the keys.
If the icon is not visible, you can bring up the floating menu by pressing the Windows key + Spacebar simultaneously.
Remove unwanted keyboard layouts

Removing unnecessary language packs will permanently prevent the AZERTY keyboard from displaying the wrong characters. By accessing Windows settings, you can remove the QWERTY layout (English or Italian), leaving only AZERTY as the sole available input option.
If you only use a French physical keyboard , there's no logical reason to keep other typing layouts installed on your PC. Removing them completely is the cleanest solution. According to the official Windows 11 documentation , the correct procedure is as follows:
- Open Windows Settings (Win + I).
- Navigate to the Date/time & language section and select Language & region .
- In the "Preferred languages" section, find the languages you don't use (e.g., Italian or English).
- Click the three dots next to the unwanted language and select Remove .
- Make sure that French is at the top of the list as the default language.
Disable the shortcut that changes the language
The most effective way to stop having the wrong characters on your AZERTY keyboard is to disable the advanced hotkeys. In Windows' typing settings, you can assign the "Unassigned" action to the key sequence for changing the language.
If, for work reasons, you need to keep multiple layouts installed (for example, you write in both French and Italian), removing the language packs is not a viable option. In this case, you must disable the keyboard shortcut that causes the problem. This setting is deeply hidden in the depths of Windows:
- Go to Settings > Date/time & language > Typing .
- Scroll down and click on Advanced keyboard settings .
- Click on Language bar options .
- In the window that opens, go to the Advanced settings tab.
- Select "Between input languages" and click the Change Key Sequence... button .
- Set both columns (Change input language and Change keyboard layout) to Unassigned .
- Click OK and then Apply.
Working as a translator in Milan with a laptop purchased in Paris, I used to spend hours correcting non-existent typos. Every time I used Alt+Shift for an InDesign macro, Windows would change the layout in the background. My passwords were constantly rejected because I typed 'A' but the system registered 'Q'. Disabling the advanced key sequence literally saved my daily productivity.
Case Study: The Experience of Marie L., Copywriter and Translator

Conclusions

Solving the annoying problem of the AZERTY keyboard displaying the wrong characters only requires a basic understanding of how modern operating systems handle hardware input. As we have seen, the anomaly does not lie in a mechanical failure of the keys, but in an involuntary software transition between the AZERTY and QWERTY layouts.
Whether you choose to completely remove superfluous languages or disable legacy system shortcuts, applying the steps described in this guide will give you back total control of your word processor. Always remember to check the language bar as a first diagnostic step: often, the solution to a seemingly complex problem is just a click away.
Frequently Asked Questions

This happens because you have inadvertently pressed a system key combination that changes the input layout. On Windows, simultaneously pressing Alt and Shift or the Windows key and the Spacebar automatically switches to the next language installed on your computer, changing your French keys to American or Italian ones.
If you notice that only certain specific letters are swapped, the physical device is working perfectly. Hardware failures usually manifest as keys that do not respond at all or that type multiple random characters, while a precise swapping of letters always indicates an incorrect operating system configuration.
The safest method is to completely remove the language packs you don't use from your operating system settings. If you need to keep different languages for work reasons, the ideal solution is to disable the quick key sequence by assigning the value of no action to the layout change combination.
When the computer changes the layout before logging in, the characters you type do not correspond to the actual characters. To fix this, you can click on the language symbol in the bottom right corner of the login screen and select the correct layout. Alternatively, you can use the on-screen keyboard to visually select the correct letters.
This specific function is located in the advanced keyboard settings within the Windows control panel. You need to navigate to the section dedicated to date, time, and language, access the typing options, and look for the advanced key settings. From that screen, you can remove any key association for switching between input languages.
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