Anyone experiencing random screen flicker, blink, pulse, flashing when on single and dual monitor, or opening multiple windows at once?

OS & VERSION elementary OS 0.3 Freya (64-bit)

HARDWARE Sony Vaio Laptop (2006) Processor: Dual-Core Intel® Core™2 Duo CPU T6400 @ 2.00GHz Graphics: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)

  • Any chance you could record a video of the issue, either by screencapping of actually filming the monitor(s)? That might help people identify your problem.
    – waldyrious
    Aug 25, 2015 at 4:48
  • 1
    I can try. It's so random. But, I will try
    – dee jaay
    Aug 29, 2015 at 13:43
  • I have a similar laptop (VAIO VGN-NR120E) and I have the same problem
    – Suici Doga
    Jun 21, 2016 at 1:03

1 Answer 1


If you have an intel graphic chip, you could try comment nr 5
Screen flickering solution

  • This worked for me. After that change sometimes my screen freezes or crashes suddenly. (very rarely, not that annoying like the flickering)
    – Ben
    Aug 26, 2015 at 20:01
  • My mothers laptop (dell with intel graphicchip) had the same problems and this answer from launchpad worked great. No problems anymore.
    – Stiffler
    Aug 26, 2015 at 20:30
  • Worked for my Sony Vaio VGN-NR120E
    – Suici Doga
    Apr 16, 2016 at 3:55

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