You can force-install the Windows 8.1 driver, but you have to disable Driver Signature Enforcement. Even then, expect occasional blue screens and screen tearing.
To find and install the correct graphics driver for your E7500 system, follow these steps: 1. Identify Your Graphics Hardware intel core 2 duo e7500 graphics driver
Unlike modern processors (like the Core i-series) that feature Integrated Graphics (iGPU) You can force-install the Windows 8
If you are keeping it old school with Windows 7, you are in luck. This OS was built for this hardware. intel core 2 duo e7500 graphics driver