Many times the cause of a monitor that appears to flicker intermittently or has a discoloration on a Power Macintosh 5200CD family* computer is related to environmental factors. You need to verify that environmental interference is not the cause of the flickering and discoloration. To do this, try the following suggestions; be sure to look for improvements and changes after following a suggestion:

• Change the location and/or rotate the computer.
• Remove metal objects from the area.
• Look for other environmental influences (power lines, generators, refrigerators, air conditioners).
• Check fluorescent lighting fixtures and transformers, which are also common sources of interference.

If the symptoms you are experiencing do not appear to have an environmental cause, contact an Apple-authorized service provider for additional assistance.

Note: The following computers are in the Macintosh 5200CD family: Macintosh 5200/75 LC, Performa 5200, Performa 5210, Performa 5215, and Performa 5220.

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