Second Monitor blinks out when in screen saver mode

I have and earlier Dual 2.5 G5 with ATI Radeon 9600 XT, 23 Cinema HD and Samsung 204T in portrait. Just hooked up the Samsung, and it's beautiful, but when it goes into Screen Saver mode with photos, after about 2 minutes, vertical black lines start flashing up, noise on the screen, then it blacks out for a second, comes back, and randomly blacks out monentarily. Once, it blacked out, and I had to reboot to get the screen to come back on. Seems like the video image is stressing the ATI card. No problems when just using the two monitors, only see this when in screen saver mode so far. Any thoughs our Ideas for cause and solution are welcome. Thanks.
Dual 2.5 G5 Mac OS X (10.4.3) 23" Cinema HD, Samsung 204T

It sounds like preferences, log back into your normal account and check your Preferences Thoroughly;
• Navigate to ~(YourHome/Library/Preferences drag this folder to the desktop.
• Restart and test your applications.
• If this works, save the old preferences folder somewhere else or on disk, name it "old prefs" .
** Note: A very important file is the "com.apple.Mail.plist" preference file located in the Preferences folder which contains all email account settings and general mail preferences (hold this one and replace if your problem is not with Mail).
You'll have to go through some of your System Preferences and apps to set the preferences back to how you like them. (Or if you have the time and inclination, "cherry pick" through until you find the problem one or two.)
-mj
[email protected]

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It sounds like preferences, log back into your normal account and check your Preferences Thoroughly;
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> My program runs 24/7 monitoring an exhaust stream. The program
> usually nruns in the background. When the chart display is called up
> the display is not correct. this also happens when the screen saver
> has been on. How can I get the display to redraw the chart to diaplay
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to
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HP G62 Notebook PC, S/N: [Personal Information Removed], P/N: WQ760UA#ABA, Windows 7
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http://support.apple.com/kb/HT1274
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Did you ever find a way to fix this issue?

Second Monitor blinks out when in screen saver mode

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