Since the H55KEL uses the Intel H55 chipset, the most reliable way to get this motherboard working is to use the directly. The "Esonic" branded drivers on the CD or website were simply repackaged versions of these.
Intel Driver Center (Search for "Intel H55" or "1st Gen Intel Core Graphics"). esonic h55kel motherboard driver
To get the H55KEL fully functional, you generally need four core driver sets. Since this board uses the Intel H55 chipset, many are available directly from Intel or via Windows Update: Since the H55KEL uses the Intel H55 chipset,