After Installation

[dinis_87]

Hello,
i'm trying to install freenas 8 fot the first time, but after the installation , computer give me the following error:

F6 PXE
Boot: F1
No /boot/loader

FreeBSD/x86 boot
Default: 0:ad(0,a)/boot/kernel/kernel
boot:
No /boot/kernel/kernel

FreeBSD/x86 boot
Default: 0:ad(0,a)/boot/kernel/kernel
boot:

And i wait, wait, wait.... and nothing happens...
I hope you can help me
thanks