Here is why:
The GMA 3100 is not officially compatible with WDDM (Windows Display Driver Model) 2.0+. Uninstall the driver and let Windows fall back to "Microsoft Basic Display Adapter." Alternatively, buy a $10 used GPU (Nvidia GT 210 or Radeon HD 5450) to bypass the integrated graphics entirely. Download Driver Motherboard Amptron Zx-g31lm
Intel.com, Realtek.com, MajorGeeks.com, TechSpot.com, or your Linux distribution’s repository. Here is why: The GMA 3100 is not
If you prefer an automatic scan, use one of these trusted tools (they will detect all missing drivers for the G31 chipset): and 10 (32-bit & 64-bit)
Leave a comment below with your operating system and the specific driver issue.
Intel G31 + ICH7 Socket: LGA 775 OS Support: Windows XP, Vista, 7, 8.1, and 10 (32-bit & 64-bit)