NF500 754
24
5.3 T
ROUBLESHOOTING
Probable Solution
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.
1.
Make sure power cable is securely
plugged in.
2. Replace
cable.
3.
Contact technical support.
System inoperativ e. Keyboard lights
are on, power indicator lights are lit,
and hard driv e is spinning.
Using even pressure on both ends of the
DIMM, press down firmly until the module
snaps into place.
System does not boot from hard disk
driv e, can be booted from optical drive.
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.
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.
1.
Back up data and applications
f iles.
2.
Ref ormat the hard driv e. Re-install
applications and data using
backup disks.
Screen message says “Invalid
Conf iguration” or “CMOS Failure.”
Rev iew system’s equipment. Make sure
correct inf ormation is in setup.
Cannot boot system after installing
second hard driv e.
1.
Set master/slave jumpers
correctly.
2.
Run SETUP program and select
correct driv e types. Call the drive
manuf acturers f or compatibility
with other drives.