Biostar M6TWO Manual page 67

Chapter 3
3. Trouble Shooting
No power inputs to the system at all. Power light does not illuminate, fan inside
power supply does not turn on. Indicator light on keyboard does not turn on.
PROBABLE CAUSE
Power cable is
unplugged.
Defective power cable.
Power supply failure.
Faulty wall outlet; circuit
Breaker or fuse blown.
System is inoperative. Keyboard lights are on, power indicator lights are lit, hard
drive is spinning.
PROBABLE CAUSE
Memory DIMM is
partially dislodged from
the slot on the
motherboard.
PROBLEM
DIAGNOSIS
Visually inspect power
cable.
Visually inspect the
cable; try another cable.
Power cable and wall
socket are OK, but
system is still dead.
Plug in device known to
work in socket and test.
PROBLEM
DIAGNOSIS
Turn off computer.
Take cover off system
unit. Check the DIMM to
ensure it is securely
seated in the slot.
3-1
Trouble Shooting
SOLUTION
Make sure power cable
is securely plugged in.
Replace cable.
Contact technical
support.
Use different socket,
repair outlet, reset circuit
breaker or replace fuse.
SOLUTION
Using even pressure on
both ends of the DIMM,
press down firmly until
the module snaps into
place.