Because the E5400 was built on the 45nm Wolfdale architecture, graphics processing was handled by the motherboard. Most systems from this era utilized the Intel® Graphics Media Accelerator (GMA) TechPowerUp Common Chipsets:
Intel Pentium Dual-Core E5400 (2.7 GHz, Wolfdale architecture) does not have integrated graphics on the CPU itself. Graphics capabilities for this processor are provided by the motherboard's chipset (commonly Intel G41, G43, or G45 for Socket 775). TechPowerUp Graphics Driver Performance Review pentium-r- dual-core cpu e5400 graphics drivers