Acer Altos G310 MK2 User Manual - Page 99
Characters are distorted or incorrect, System cooling fans do not rotate properly
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87 you hear. This information may be useful for your service representative. 5 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's signal and power cables properly installed? • Does this video monitor work correctly if plugged into a different system? System cooling fans do not rotate properly If the system cooling fans are not operating properly, it is an indication of possible system component failure. Check the following: • Is the power-on light lit? If not, see "Power light does not light" on page 85. • If your system has LED lights for the fans, is one or more of these LEDs lit? • Are any other front panel LEDs lit? • Have any of the fan motors stopped? Use the server management subsystem to check the fan status. • Have your fans speeded up in response to an overheating situation? • Have your fans speeded up in response to a fan that has failed? • Are the fan power connectors properly connected to the server board? • Is the cable from the front panel board connected to both the front panel board and to the server board?