Asus D300TA User Manual page 49

Power
Problem Possible Cause
Incorrect power voltage
No power
(The power
Your computer is not turned
indicator is off)
on.
Your computer's power cord
is not properly connected.
PSU (Power supply unit)
problems
Display
Problem Possible Cause
The signal cable is not
No display output
connected to the correct
after turning the
VGA port on your computer.
computer on
(Black screen)
Signal cable problems
ASUS Desktop PC
Action
• Set your computer's power voltage
switch to your area's power
requirements.
• Adjust the voltage settings. Ensure that
the power cord is unplugged from the
power outlet.
Press the power key on the front panel to
ensure that your computer is turned on.
• Ensure that the power cord is properly
connected.
• Use other compatible power cord.
Contact the ASUS Service Center about
installing another PSU on your computer.
Action
• Connect the signal cable to the correct
display port (onboard VGA or discrete
VGA port).
• If you are using a discrete VGA card,
connect the signal cable to the discrete
VGA port.
Try connecting to another monitor.
49