You might be able to fix your display by pushing it down, and using pliers to bend the metal things that stick through the board so they hold it on better. I often had to do that to make them stay together after taking them apart to change the backlight LEDs.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
You might be able to fix your display by pushing it down, and using pliers to bend the metal things that stick through the board so they hold it on better. I often had to do that to make them stay together after taking them apart to change the backlight LEDs.