I solved this problem. This problem is due to old firmware.
I creat USB with frimware update on WIndows 10 and I followed the directions. Last frimware: https://ftp.hp.com/pub/softpaq/sp101001-101500/sp101220.exe Instruction create USB and update notebook without Windows: https://www.youtube.com/watch?time_continue=117&v=t3S3KgcT-Ao&feature=emb_title and https://www.youtube.com/watch?v=72uwa0OZPPw -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1841039 Title: Multiple keys have same keycode on HP ProBook 450 G6 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1841039/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs