sudo sh -c 'echo "keyboard:usb:vXXXXpXXXX:evdev:input:b0003*" >> /etc/udev/hwdb.d/99-remap.hwdb' sudo sh -c 'echo " KEYBOARD_KEY_<scancode>=f13" >> /etc/udev/hwdb.d/99-remap.hwdb' sudo udevadm hwdb --update sudo udevadm trigger But for 99% of users: Summary: The Refresh key is your browser's reload button and your system's first aid kit. Learn it, love it, and never fear a frozen Chromebook again.
Chromebooks lack an F5 key entirely. The Refresh key is not a function key; it is a dedicated action key. 10. Final Power User Tip If you enable Developer Mode , you can remap the Refresh key to any other action using evremap or by modifying /etc/udev/hwdb.d/ . For example, to map it to F13 for use in a custom script: what is the refresh key on a chromebook