How to Use Function Keys on SAMSUNG Galaxy Book4: FN Key & F1-F12 Guide

Understanding the FN Key and FN Lock

• 💡 To use the function keys (F1-F12) on your Samsung Galaxy Book4, you typically need to press and hold the Fn button, located in the bottom left corner of the keyboard.
• 🔑 The Fn lock feature, activated by pressing F12, allows you to use the function keys without holding down the Fn button. Pressing F12 again disables this lock.

Function Key Operations (F1-F12)

• ⚙️ F1 opens Samsung settings.
• 🔆 F2 lowers screen brightness, while F3 increases it.
• 🖥️ F4 is used to switch displays when connected to an external monitor or TV.
• 🖱️ F5 toggles the touchpad on and off.
• 🔊 F6 mutes and unmutes audio, F7 lowers the volume, and F8 raises the volume.
• 🎛️ F9 enables and disables the monitor.
• 📸 F10 blocks and unblocks the camera and microphone.
• ⚡ F11 allows you to change the performance mode.
• 🔒 F12 enables or disables the Fn lock feature.