The failure of keyboard shortcuts can be solved by following the following steps: 1. Check the input method or language settings, switch back to the default English layout or close the software with its own input method; 2. Restart related services or programs, close the background application, disable browser extensions, or restart the explorer; 3. Check the system or software settings to confirm that the shortcut keys have not been modified or conflicted; 4. Try to repair or reinstall the keyboard driver, uninstall the device and restart or manually install the latest driver. Most problems can be solved through the first few steps without all operations.

It is really annoying to fail keyboard shortcuts, especially when you are used to using shortcuts to improve efficiency. The problem may be with system settings, software conflicts, or hardware, but in most cases, the solution can be found.

Check if the correct input method or language is enabled

Sometimes you may switch to input methods that do not support certain shortcut keys. For example, shortcut keys of certain Chinese software under the English input method may not work.
Try the language icon in the lower right corner of the taskbar to confirm that you are currently using the language and input method you need. If you are not sure, you can try switching back to the default English (US) keyboard layout to see if there is any improvement.

In addition, some software will come with input methods or force the use of a certain locale, such as some games or development tools. It may be helpful to close them and try the shortcut keys again at this time.

Restart related services or programs

Many shortcut keys rely on specific background services or applications to run. For example, global shortcut keys may be controlled by the clipboard manager, screenshot tool, or browser extension.
If you recently installed new software or updated your system, it may be that it interferes with the original shortcut key mechanism.

You can try:

• Close all non-essential background programs
• Disable browser extensions (especially on Chrome or Edge)
• Restart Explorer (Windows) or reload desktop environment (Mac/Linux)

If the shortcut key of a specific software fails, restarting that software can usually solve the problem.

Check system or software settings

Many system shortcut keys can actually be viewed and modified in the settings. For example, there are some basic shortcut key instructions in "Settings > Easy to Use > Keyboard" on Windows; there is also a shortcut key management panel in "System Settings > Keyboard" on macOS.

Frequently asked questions include:

• Shortcut keys have been customized
• Reset default settings after system update
• Third-party applications cover system-level shortcut keys

It is recommended to open the settings page of the relevant software or system, search for the shortcut keys you use, and see if there are any prompts or conflicting prompts.

Try repairing or reinstalling the keyboard driver

If none of the above methods are useful, it may be a driver problem. Especially when external keyboards or laptops are used for a long time, the driver may have abnormalities.

Windows users can do this:

• Open Device Manager
• Expand the Keyboard option
• Right-click on your keyboard device and select "Uninstall Device"
• Then restart the computer and the system will automatically reinstall the driver

You can also download the latest driver to manually install it on the official website. Mac and Linux users generally do not need to manually update the driver, but if you encounter common problems, you can try resetting the system configuration file or restoring the factory settings.

Basically, these are the investigation directions. Not every time you need to operate it all. Start with simple things, such as checking the input method and restarting the program, which can be done most of the time.

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