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Only happens if either nothing is open or certain web pages are open. Windows 7 64-bit, samsung un22d5003 monitor.

Can't find any monitor settings and all my drivers are up-to-date.

The Intel Graphics and Media Control Panel didn't show anything obvious either.

Online information is either whole screen dims or doesn't - not much help if its only the edge. Reduced to non-native resolution and it didn't happen.

Thanks!

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