To check if your CPU is overclocked, follow these steps:
1. Open the Task Manager by pressing CTRL+ALT+DEL and selecting Task Manager.
2. Click on the Performance tab.
3. Look at the clock speed displayed and compare it to the stock or turbo speed.
4. If the displayed clock speed is higher, your CPU is overclocked.
5. If the clock speed matches the stock or turbo speed, your CPU is not overclocked.
Ensure your CPU is running at the desired speed for optimal performance and stability.