Welcome to the forum!
Are you a fan of the Bills & Sabres?
First, to use Asus Sync, you have to initiate the connection from the TABLET not the PC. After you connect, a popup by the clock should appear to tap on to start sync.
Secondly, if it is not working, go to Settings - Storage - Tap the three stacked boxes - USB Settings - Select PTP instead of MTP and see if this helps.