Monday, August 13, 2012
How to fix Screen colours LCD Ghosting
After Watching Video with all video apps, such as Netflix, YouTube, Play Video and many kinds of player, the Nexus 7 screen is washed out and gets LCD ghosting noticeably. The issues diminish color saturation and increase brightness and contrast. That might cause by Nvidia's Tegra 3 PRISM technology. The PRISM will reduce a Tegra 3 device's backlight while enhancing the pixel color. Many users report a number of screen issues in different forums.
To temporarily fix the Screen colours and LCD Ghosting issues, just turn the screen on and then off. But it still appear in the next video. According to the XDA forum, you need to root to apply this fix to resolve the problem, and type the following command in your terminal with superuser permissions.
Disable tegra on your Nexus 7
echo "0" > /sys/devices/tegradc.0/smartdimmer/enable