Flashing vertical stripe in the middle of my 27" TB display

I am getting a flashing vertical stripe in the middle of my 27" TB display, its a very random flash, can anyone help its driving me insane

Hi PUSH,
If you are having intermittant issues with your Thunderbolt display, you may find the following article helpful:
Apple computers: Troubleshooting issues with video on internal or external displays
http://support.apple.com/kb/ht1573
Regards,
- Brenden

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