Multimedia key failure is usually caused by driver, setup, or software conflicts rather than hardware corruption. The solutions are as follows: 1. Check the keyboard driver in the device manager, update or reinstall the driver. It is recommended to download and install the brand computer on the official website; 2. Enter the BIOS to adjust the function key mode to ensure that the "Function Key Behavior" is set correctly; 3. Disable the possible conflicting third-party startup items through the task manager, and check whether there are script tools that overwrite the hotkeys; 4. Check and restart Windows system services such as "Windows Audio" to ensure that its startup type is automatic. Follow the steps to solve most problems.

The multimedia key failure is really annoying, especially when you want to adjust the volume, play music or switch songs suddenly don't work. This situation is usually not a problem with the hardware failure, but more of a problem with drivers, system settings or software conflicts. The following methods can help you troubleshoot and solve this problem.

Check whether the keyboard driver is normal

In many cases, problems with the driver will cause some function keys to be unrecognized. You can try the following steps:

• Open Device Manager → Expand Keyboard Options
• Check if there are any devices with yellow exclamation marks. If so, right-click and select "Update Driver"
• You can also try uninstalling the current keyboard driver and restarting the computer to automatically reinstall it.

If you are using laptop-branded phones (such as Lenovo and Dell), it is recommended to download the driver installation package of the corresponding model on the official website. Manual updates will be more secure.

Confirm whether the function key mode is correct

Some laptop keyboards set F1~F12 as secondary functions by default, and need to be used with the Fn key. If you find that all the function keys are not right, it may be a problem with this setting.

• Enter BIOS settings (press F2/F10/Del and other keys when restarting)
• Find "Function Key Behavior" or similar options
• Change it from "Multimedia Key First" to "Function Key First", or try it the other way around

The settings of notebooks for different brands are slightly different, but the general logic is similar. After the modification, save and exit to see if the buttons are restored to normal.

Check for software conflicts

Some third-party software (such as shortcut key management tools, system optimization software) may interfere with the normal operation of multimedia keys.

You can check this way:

• Press Ctrl Shift Esc to open the Task Manager → “Start” tab
• Disable unnecessary boot items, especially those software you are not familiar with
• After restarting, test whether the buttons are restored

In addition, check whether there are scripting tools that install custom hotkeys like AutoHotKey, which may also overwrite the original multimedia key function.

Windows system service exception

If a service in Windows called "Human Interface Devices" or "Windows Audio" is disabled, it will also affect the multimedia key.

The operation method is as follows:

• Press Win R to enter services.msc to enter
• Find the "Windows Audio" service, right-click "Restart"
• Also confirm that its "start type" is "automatic"

Sometimes just restarting this service can solve the problem without having to mess with anything else.

Basically, these common reasons and methods are there. Most of the time it is not the keyboard that is broken, but the system or software glitch. Take it step by step in order, and it should be done.

The above is the detailed content of How to fix multimedia keys not working. For more information, please follow other related articles on the PHP Chinese website!