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[HOW TO] increase graphics memory to meet the reqirement of external display?


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My graphic memory is 144MB right now, but when i need VGA output, it pops up "your VRAM is not enough for an outer display".


and Apple says: Memory available to Mac OS X may vary depending on graphics needs. Minimum graphics memory usage is 144MB. An additional 16MB is required when using an external display.


how can i get that additional 16MB? add another 1G memory?

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