Finding the correct graphics driver for an older system powered by the Intel Core 2 Duo T6600 processor can be challenging. Because the T6600 is a central processing unit (CPU) and does not contain integrated graphics on the processor die itself, your system relies on a separate graphics chipset located on the motherboard.
Knowing these can help me guide you to the specific manufacturer driver if the standard Intel one doesn't work. Share public link Intel Core 2 Duo T6600 Graphics Driver- Download