Screen flashing during alarm compact Z3

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  Hello @Tenno,

  Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums, I would like to draw your attention to the HP Forums Guide first time here? Learn how to publish and more.

  I understand that you have a problem with the display and wanted to help you!

  For starters, can you provide me with the product number and the operating system of your laptop?  You can use the links below to help you with this information:
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  Please let me know if this information helps you solve the problem by marking this message as 'accept as Solution' , this will help others easily find the information they seek.  In addition, by clicking on the Thumbs up below is a great way to say thank you!

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  Hi Laurent

  Did you get all the answers. I am new to this and have just turned on my Toshiba Satellite C55 still work on windows 8.1 and the screen goes ballistic. After that signature in the display starts to Flash and the only thing I can do is CTRL + ALT + DELETE. I wonder if its something to do with 25 downloads of Microsoft?
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• Screen flashing in Satellite L500D

  Welcome!

  I have a laptop Toshiba L500D. For about two weeks, something is happening with my laptop. Laptop is turned on and when I open the lid, or closed, the screen flashes, change colors, you can see the different bands in black and white or in color, usually the screen is distorted.

  This happens when the cover is at an angle from 0 to 90 degrees, when there is more than 90 degrees, then it is not the case.

  Probably something not going under the screen of the laptop on the hinges. Only way out is a service?

  It is a film in which this problem is presented.
  http://www.YouTube.com/watch?v=LyxhfiZtKak

  Please answer

  Hello

  Yes, I agree with you that there may be a problem with the connection.
  But it of not possible to say exactly what's wrong.
  It may be something wrong with the sensor that turns the backlight on and off, or maybe something wrong with one cable

  There is no other choice for that pick up if the guarantee is available (it should be valid 2 years long if the laptop has been saved) then should be set the laptop for free.

  Good luck