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Random lines and blank screens

Tags:
  • Graphics
  • blank
  • lines
  • Monitors
  • Samsung
September 13, 2014 8:45:55 PM

After installing a new version of Windows 7 Ultimate x86, I have been getting random lines on my monitor that briefly flash onto the screen, usually followed by a series of 1-2 second blank screens. The computer is still responsive and I can hear sounds in the background. Any known solutions?

Specs:
Sapphire ATI HD5770
Intel C2D E8400
Samsung S20B300

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