You should be able to set the graphics to 1440x900 @60hz.
Try "display properties" -> "advanced" -> "adapter" -> "list all modes". If you don't see 1440x900, then put it on the highest you can.
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A little further down that page is a link to a possible driver fix. I'm not vouching for this stuff though... it's just what I found by google searching your problem.
Good luck.