Acer R700 User Manual

Page of 135
 5 Solving Problems
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Are the video monitor switch settings correct?
Is the video monitor signal cable properly installed?
Is the onboard video controller enabled?
If you are using an add-in video controller board, do the following:
1
Verify that the video controller board is fully seated in the server 
board connector.
2
Reboot the system for changes to take effect.
3
If there are still no characters on the screen after you reboot the 
system and POST emits a beep code, write down the beep code 
you hear. This information is useful for your service representative.
4
If you do not receive a beep code and characters do not appear, 
the video display monitor or video controller may have failed. 
Contact your service representative or authorized dealer for help.
Characters Are Distorted or Incorrect
Check the following:
Are the brightness and contrast controls properly adjusted on the 
video monitor? See the manufacturer’s documentation.
Are the video monitor signal and power cables properly installed?
If the problem persists, the video monitor may be faulty or it may be 
the incorrect type. Contact your service representative or authorized 
dealer for help.
System Cooling Fans Do Not Rotate Properly
If the system cooling fans are not operating properly, system 
components could be damaged.
Check the following:
Is AC power available at the wall outlet?
Is the system power cord properly connected to the system and the 
wall outlet?
Did you press the power button?
Is the power on light lit?
Have any of the fan motors stopped (use the server management 
subsystem to check the fan status)?
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