my display get distrubed when i installed windows 8.1 please help me.. i can read words correct?

[Javedakhter]

i have installed new windows 8.1 but my display got distrubed and words not good to visible .. sometime its shows good and atonce blurring or crecked one like spreaded or broken.. even vidoes playing not good faded of pix broken.

 

[maikutech]

What is your video card name and model number, what type of monitor do you have and model number ?
If you can take a picture of the blurred or distorted we could find out what the problem is.