Mac键盘在Ubuntu 22.10下按F6仅调节亮度，无法实现F+6功能
Hey there, I totally feel your pain—having a critical shortcut get hijacked by a system function is super frustrating, especially when you can’t find solutions tailored to your exact issue! Let’s walk through some fixes to get F6 working the way you need it to on your Mac keyboard with Ubuntu 22.10.
方法一：切换功能键默认行为（最简单的图形化操作）
Ubuntu lets you adjust whether the F keys act as standard function keys or system controls first:
- Open Settings (you can launch it quickly via the app menu or press
Super + I) - Navigate to Keyboard
- Look for the Function keys behavior section (it might sit under the "Keyboard Shortcuts" submenu depending on your interface layout)
- Select Standard function keys from the dropdown. Now pressing F6 will trigger its intended function, and you’ll need to hold
Fn+ F6 if you want to adjust brightness later.
方法二：手动解除亮度快捷键绑定（如果图形化设置没生效）
If the above doesn’t work, you can directly unbind the brightness control from F6 using the command line:
- Open the terminal (press
Ctrl + Alt + T) - Run this command to remove the brightness-up binding (since F6 is triggering brightness increase for you):
gsettings set org.gnome.settings-daemon.plugins.media-keys brightness-up '' - If F6 was mapped to brightness-down instead, run this command:
gsettings set org.gnome.settings-daemon.plugins.media-keys brightness-down ''
After running the command, press F6 again—it should now work for your intended task instead of adjusting brightness.
方法三：自定义应用快捷键（如果仅针对某款软件）
If you only need F6 to work for a specific app, you can override the system shortcut within the app itself:
- Open the app’s Settings or Preferences menu
- Find the Keyboard Shortcuts section
- Look for the action you need F6 to trigger, and reassign it directly to F6. Most apps will prioritize their own shortcuts over system ones once set.
Hopefully one of these fixes gets you back on track!
备注：内容来源于stack exchange，提问作者remy rubinstine
