Intel provides legacy support for the Graphics Media Accelerator (GMA) series. These are the most stable drivers for older operating systems.
The Core 2 Duo T6600 is a legacy product and is not officially supported by Windows 10. However, you can often get it working using these steps: Intel Core 2 Duo T6600 Graphics Driver- Download
Before downloading a driver, you must identify which graphics component your laptop uses: : Right-click the button and select Device Manager . Expand the Display adapters Intel provides legacy support for the Graphics Media
Since the T6600 is a "noGPU" processor, you must first confirm which graphics chip your specific laptop uses: Intel Core 2 Duo T6600 Graphics Driver- Download