Joomla Update notice gone from Control Panel - Joomla! Forum - community, help and support

hi,
my control panel notice update latest version of joomla has disappeared maintenance heading in

lanna moon apartments administration control panel.png

control panel.
there plug-in update no joomla notice.
how can restore or way force update latest rev. of joomla 3?

you can force quick check going to:

components >> joomla update

or go to:

global configurations >> joomla update

good luck.