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CHAPTER 4: USEFUL HELP
4.1
A
BIOS B
WARD
Beep Sound
One long beep followed by two short
beeps
High-low siren sound
One Short beep when system boot-up No error found during POST
Long beeps every other second
4.2
T
ROUBLESHOOTING
Probable
1.
No power to the system at all
Power light don't illuminate, f an
inside power supply does not turn
on.
2.
Indicator light on key board does
not turn on.
System inoperativ e. Keyboard lights
are on, power indicator lights are lit,
and hard driv e is spinning.
System does not boot from hard disk
driv e, can be booted from optical drive.
System only boots f rom optical driv e.
Hard disk can be read and applications
can be used but booting from hard disk
is impossible.
Screen message says "Invalid
Conf iguration" or "CMOS Failure."
Cannot boot system after installing
second hard driv e.
NF4 Ultra-A9
C
EEP
ODE
Video card not found or v ideo card
memory bad
CPU overheated
System will shut down automatically
No DRAM detected or install
1.
Make sure power cable is
securely plugged in.
2.
Replace cable.
3.
Contact technical support.
Using even pressure on both ends of
the DIMM, press down firmly until the
module snaps into place.
1.
Check cable running from disk to
disk controller board. Make sure
both ends are securely plugged in;
check the driv e type in the
standard CMOS setup.
2.
Backing up the hard drive is
extremely important. All hard disks
are capable of breaking down at
any time.
Back up data and applications files.
Ref ormat the hard driv e. Re-install
applications and data using backup
disks.
Rev iew system's equipment. Make
sure correct inf ormation is in setup.
Set master/slave jumpers correctly.
Run SETUP program and select
correct driv e types. Call the drive
manuf acturers f or compatibility with
other driv es.
19
Meaning
Solution
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