Open the Control Panel by clicking the "Type Here to Search" box and entering "Control Panel"
When the Control Panel opens, search for "Configuration Manager" then double-click it.
Switch to the Actions Tab:
Now, select these actions and click "Run Now" for each one
- Application Deployment Evaluation Cycle
- Machine Policy Retrieval & Evaluation Cycle
- Software Updates Deployment Evaluation Cycle
Go get a cup of coffee, and when you're back, your computer will have finished talking to SCCM.