Symbol keys reversed after restarting the browser? Fixes

You press a symbol key and get a different character than the one printed on it. This can happen after restarting a browser, but the browser itself usually does not set your keyboard layout. The cause is often a changed input source in Windows or macOS, an app setting, or a key that is failing.

First check whether the keys register, then compare what they type in a plain text field in more than one app. That helps separate a layout mismatch from a browser problem or a hardware fault.

Find the cause

1. Open the Keyboard Test and press the symbol keys that seem wrong. Check whether each press registers. The test checks key input, but it does not identify which keyboard layout is selected.
2. Open a basic text editor and type the same symbols. Compare the results with the labels printed on your keyboard. For example, on a common US layout, Shift + 2 types @, while on a common UK layout it types ".
3. Try the same keys in a different app and in another browser, if available. If the output is wrong everywhere, check the system input source. If only one browser or page is affected, look for a browser or site-specific cause.
4. Check whether the layout changes back when you switch windows, reopen the browser, or press a keyboard shortcut. This can reveal an accidental layout switch or a setting that selects a different input method.

What the result means

The test registers the keys, but the characters do not match the labels

The keyboard is sending input, but the active layout may assign different characters to those physical keys. This is common when a computer has more than one language or keyboard layout installed. Check the system's input indicator and layout settings before suspecting a damaged keyboard.

The symbols are wrong only in one browser

The system layout is less likely to be the cause if the same keys type correctly in other apps. A browser extension, website shortcut, or page-specific input field may be changing how the keys behave. Test in another browser or a private window, where extensions may be disabled.

A key does not register reliably

If the same physical key is missing in the Keyboard Test and in other apps, the problem may be the key, connection, or keyboard. A layout switch changes the character produced, but it should not normally stop that key from registering.

The layout changes after a shortcut or app switch

A keyboard shortcut or input-source setting may be cycling between layouts. The operating system can change the layout for all apps, even if you first noticed the issue in a browser.

How to fix it

1. Check the active input layout. On Windows 11, look for the language or keyboard indicator on the taskbar. Press Windows + Space to cycle through installed layouts, then type a few symbols again. On a Mac, check the input menu in the menu bar, if it is shown, and select the layout that matches your keyboard.
2. Choose the matching layout in system settings. In Windows 11, open Settings › Time & language › Language & region, then review the keyboard layouts listed under your language's options. Remove layouts you do not use if you keep switching to one by mistake. On macOS, open System Settings › Keyboard › Text Input › Edit and select or add the intended input source.
3. Check the key combination that changes layouts. If you often press Windows + Space accidentally, remove unused layouts so there is less to cycle through. On a Mac, check the input-source shortcut in System Settings › Keyboard › Keyboard Shortcuts › Input Sources. The shortcut can vary if it has been customized.
4. Test a plain text field in another app. If symbols are correct there but wrong on one website, reload the page and check its language, keyboard, or text-entry settings. If the problem affects only one browser, temporarily disable extensions that change keyboard behavior, then test again.
5. Check remapping and accessibility settings. Keyboard software, remapping utilities, and some accessibility features can alter key behavior. Turn off recent remaps or settings one at a time, then repeat the same test.
6. Reconnect the keyboard and restart the computer. For a wired keyboard, try another USB port. For a wireless keyboard, check its connection and battery. Restarting the computer can clear a stuck input state that remains after closing the browser.

When it may be a hardware problem

If one key still fails or behaves inconsistently in the Keyboard Test and in several apps, disconnect and reconnect the keyboard, then try it on another computer if possible. If the same key fails there too, clean around it according to the keyboard maker's instructions. Do not pour liquid into the keyboard or pry off a key unless the design allows it. A key that remains unreliable may need a repair or replacement.

Why restarting the browser can seem to cause it

Restarting a browser does not normally change the operating system's keyboard layout. The timing can be misleading: you may notice the mismatch when you return to a page, or the browser may reopen a site with a different language or text field. Some extensions can also change key behavior. Compare the same key in a text editor and another browser to find out whether the issue follows the system or stays with one browser.

Keep the keyboard layout that matches the printed labels selected, especially if you switch between languages. If the layout indicator changes unexpectedly, remove layouts you do not need or adjust the shortcut that cycles through them.