1. An electronic device comprising: an operating system; a first network stack associated with the operating system; a management subsystem having a second network stack that is independent of the first network stack, the management subsystem to perform a management task using network communication through the second network stack; a fault manager to: detect fault of a particular module in the electronic device, in response to detecting the fault, access a network site using network communication through the second network stack in a preboot context, and in response to the access, receive an update module to update the particular module.