Macbook Pro Screen Problem

i'm having problems mac randomly screen this. except menu bar effected. sparactically , changing when switch programs or something.

computer info:

 

http://forums.macrumors.com/showthread.php?t=1294949

yup many of have problem. 1 of them

 

Forums Macs Notebooks MacBook Pro

• iPhone
• Mac OS & System Software
• iPad
• Apple Watch
• Notebooks
• iTunes
• Apple ID
• iCloud
• Desktop Computers
• Apple Music
• Professional Applications
• iPod
• iWork
• Apple TV
• iLife
• Wireless