ASUS VivoBook Flip 14 14in i3 4GB 256GB 2-in-1 Laptop Silver

To maximize battery life try the following:-

Use the function keys to adjust the display brightness.

If you are not using any Wi-Fi connection, switch your system into Airplane mode.

Disconnect unused USB devices.

Close unused applications, especially those that take up too much system memory.

Press F6 to enable your touchpad.

You can try doing any of the following suggestions:

Press F3 to turn up the speaker volume.

Check if your speakers were set to mute.

Check if a headphone jack is connected to your Notebook PC and remove it.

Delete the applications you recently installed or were not included with your operating system package, then restart your system.