Hi Welcome to Windows Central! Only you know if you have the skills to fix the broken hinge.:wink: Here's user guild! If you need more help, please join the forum! https://www.bhphotovideo.com/lit_files/63335.pdf
Have to find a new hinge too. Some manufacturers make that easy, some don't. Dell is a good vendor for which parts are easily found, don't know about Acer