There are no official modern drivers; Windows will typically use a "Microsoft Basic Display Adapter," which has limited performance. Finding Your Drivers
Unlike modern Intel Core CPUs (which have "Intel HD Graphics" built into the chip), the E5400 belongs to the older generation where graphics functionality resided on the (specifically the Northbridge), not the CPU itself. pentium-r- dual-core cpu e5400 graphics drivers
Leave the Hardware ID (e.g., PCI\VEN_8086&DEV_2E32 ) in the comments below for a direct driver link. There are no official modern drivers; Windows will
Here’s a clean, informative text for the graphics driver situation: There are no official modern drivers