Edges appearing jagged only in Illustrator

[skarda]

I'm using CC Illustrator and I recently noticed the edges of my vectors appearing jagged. Whether I create the vector myself or download an external .ai folder, upon opening the document in Illustrator the edges appear jagged. Exporting the vector as a .png or simply reviewing the image reveals that the lines are smooth, no issues. It's primarily an issue because I can't see the shape of my lines without hitting Ctrl + Y, where there is no sign of the jagged lines. Is this a simple fix? A view setting issue? I appreciate any help.

[Monika Gause · Accepted solution]

Should be solved with View > Preview on CPU

[skarda]

Thank you! I knew it had to be something small I missed. I'll be careful of that in the future.

[Monika Gause]

You might also try if these things help:

Troubleshoot GPU performance in Illustrator

In case you're on Windows, searching for graphic card driver updates is an option as well.