How is it when I start PS CS4 I have black lines?

How is it when I start PS CS4 I have black lines? I just work PS CS4, but when I open and go again, I get a black line randomly through my doc. How to fix this?

they look like this, when I knocked again.

http://img25.imageshack.us/img25/6136/15796875.jpg

http://img33.imageshack.us/img33/4156/26846388.jpg

lizard81288 wrote:

How can I disable OpenGL, and how to check what video card I have?

go to Edition-> Preferences-> Performance, you can do both here

Tags: Photoshop

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