when driving my car today. the dashboard lights just went complety blank.

What is your question?

I could not see nothing on the dashboard. it would not show nothing at all no blinking signal no nothing!!! but it was still with power as i drove. and i tried to roll the window down and it would not roll down while the lights were out. after awhile pass the dashboard lights came back on again. this problem as happen twice today and once last week. Do you know what this could be? I took it to auto zone and they told me my battery, alternator, and starter was reading normal codes.