Vertical black stripes at bottom of screen

After updating to OSX 10.6.8 I have noticed that my MBP 2.5 GHz Intel Core 2 Duo has vertical black stripes at the bottom of the screen when I start it up.  I cna still use it, but the stripes are very distracting.  I thought it was a hardware issue (like my screen is failing).  But the solution suggests that it is a software problem. 
The solution is to retart the computer after its initial bootup.  When it restarts the black stripes are completely absent and the computer runs for long periods of time (like for days) with no problem at all, even when it goes to sleep and then wakes back up.
Anyone else have this issue?

Hello @jomerbey,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I understand that you are having issues with your HP TouchSmart Elite 7320 All-in-One PC developing a black patch over time that disappears after restarting. I am sorry, but to get your issue more exposure, I would suggest posting it in the commercial forums, since this is a commercial product. You can do this at Business PCs - Compaq, Elite, Pro.
I hope this helps. Thank you for posting on the HP Forums. Have a great day!
Please click the "Thumbs Up" on the bottom right of this post to say thank you if you appreciate the support I provide!
Also be sure to mark my post as “Accept as Solution" if you feel my post solved your issue, it will help others who face the same challenge find the same solution.
Dunidar
I work on behalf of HP
Find out a bit more about me by checking out my profile!
"Customers don’t expect you to be perfect. They do expect you to fix things when they go wrong." ~ Donald Porter

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