Scroll down to the Charts section and in the top right-hand corner of the Client Information chart, click the action menu () and select Last Check-in Time
The Client Information Chart changes to show a breakdown of the last time the PMPC clients checked in.
Click the relevant segment of the Client Information chart, which opens the device list modal of Clients meeting the requirements for that segment.
Click the checkbox beside the relevant Client(s) you want to delete.
Click Actions and select Delete Devices
When prompted Are you sure, click OK
The Devices by Last Check-in Time is redisplayed along with the Success – x devices deleted notification.