Thanks TM100, broken server recovered at all after upgraded CORE module to 13.0.120.3 ( previous moduel: core 13.0.120.2) a moment ago. now work great again!
I plan to re-install new machine and will get back if still having problem
King Henry
I updated 6/21/2017 also no sound after; I follow the instruction listed here" https://wiki.freepbx.org/display/FOP/Manually+Upgrading+the+FreePBX+GUI" now everything works .FreePBX 13.0.192.9