Why is my screen all pixelated and blurry

10-11  Source: Network gathering  Views:0 

just as when i restart my computer, everything on my browser, menu bar, everything blurrs out and got pixelate.
Anyone has any idea what's wrong with my computer? and how to fix it
Welcome to Apple Support Communities
Have you checked that you are using the correct resolution? Open System Preferences > Displays, and choose the highest resolution available (or the one you were using).
If it does not work, reset the PRAM > http://support.apple.com/kb/HT1379
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