Asus RS260-E4/RX8 - Manual (Page 181)

ASUS RS260-E4/RX8 A-5
Problem Action
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.
Why do the fans run in full speed
after the system is switched on?
(system fan: 5700RPM; rear fan:
11800RPM)
Please go to Hardware Monitor in
BIOS setup and check the CPU
temperature and setting of Smart-
Fan Control. If Smart-Fan is disabled,
please set Smart-FAN control to
“Enabled”. If Smart -Fan is already
enabled, please check the followings:
1. If CPU temperature is over 60
0 C in
BIOS setup, please shut down and re-
install CPU’s heatsink to make sure
that CPU’s heatsink is tightly secured
to the CPU.
2. If CPU temperature is over 60
0 C
in BIOS setup, please check whether
the arrow on the system fans points
to the direction on the rear panel. Re-
install the fan in case it causes CPU
to overheat.
3. If CPU temperature is under 60
0 C in BIOS setup, please check the
CPU_FAN1 connector on the MB
connected with 3-pin connectors on
the mid-fan board (FANBPC-AR21).