monitor not responding and black
The screen went black because of the impact it took.
crwdns2934109:0crwdne2934109:0
crwdns2889612:0crwdne2889612:0
0
crwdns2936751:024crwdne2936751:0 0
crwdns2936753:07crwdne2936753:0 1
crwdns2936753:030crwdne2936753:0 26
crwdns2942667:0crwdne2942667:0 35
Hi @hossein49628
Post an image of the screen in your answer to show the problem.
Here's how to do this on ifixit. The procedure is applicable for both Questions and Answers (but not Comments)
Adding images to an existing question
crwdns2934271:0crwdnd2934271:0 jayeff crwdne2934271:0