Asus AP120-E1 - Manual (Page 51)

ASUS AP120-E1 user guide A-3
Problem Action
The system continuously beeps
after it was turned on
1. Check the memory modules
and make sure you installed
supported DIMMs.
2. Make sure that the DIMMs are
properly installed on the
sockets.
The message “Non-system disk
or disk error” appears 1. Check if a bootable HDD is
active.
2. Check if the HDDs are
properly installed.
Network connection not
available 1. Make sure that the network
cable is connected to the LAN
port on the rear panel.
2. Make sure that you have
installed the LAN drivers from
the support CD.