After you use a Polycom CX500, Polycom CX600, or Polycom CX3000 telephone that is running Microsoft Lync Phone Edition for about two years, horizontal white lines appear on the telephone screen.

Note When you update the LCD driver, the issue may be resolved or eased.


To resolve the issue, install the following cumulative update:

2737911 Description of the cumulative update for Lync Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000 telephones: January 2013
Note The update may not resolve the issue in some cases.

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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