Matrox graphic card (model P690) not able to drive multiple display at a time on RHEL7.

Solution Verified - Updated -

Issue

  • The system have an issue with one of the dual ports of Matrox graphic card (model P690). The default port is working fine, but the upper port is not working.
  • Unable to get display on both monitors connected to Matrox graphic card (model P690) at a time.
  • One of dual ports from Matrox Graphic card (model P690) not working.

Environment

  • Red Hat Enterprise Linux 7

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