|You have not provided enough detail as to the source of the problem.|
pc or server?
how is it connected to the network [wired or wireless]
static or dhcp ip and what device is giving it a ip.
is this a internet issue or just a lan issue?
how are you determining you don't have a ip address after a reboot?
post the results of a ipconfig /all for review so we can check your settings.
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