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My chromebook has started to have an intermittent problem where the screen turns pink for a few seconds or sometimes upto a minute. When it does this there are often frame freezes and ghosting . Moving the screen hinge seems to have no effect. Its out of warranty so how can I get it fixed? Series: TOSHIBA CB30-B-104 Model : PLM02E-00K003EN Purchased : 2015 - 03 - 25
Defective CCFL backlight may have the following symptoms: Screen flashes on red/pink and goes off. Picture stays on in red and slowly be come normal. Picture flickering with dim display. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of its life.
Hi Randall, It sounds like your Graphic chip on the laptop is busy dying, I might be wrong but lets test it, download PassMark BurnInTest http://www.passmark.com/ftp/bitstd.exe. Install BurnInTest and launch the application the menu will pop up with an evaluation screen just click continue. Look for a tab at the top that says Configuration, and select “Test Selection and duty cycles”. Uncheck Optical Drivers, Printer, GPGPU, Disks, Sound and Network. Make the CPU, RAM, Video, 2D and 3D Graphics all 100, press OK and then press the green triangle a lot of windows’s will pop up don’t worry about that, the tests have begun. It will run for a few minutes then a screen will pop up either flashing Green with PASSED or Red with FAILED. Let me know of the outcome. Ewald