SIS chip on-board VGA 螢幕 DDC 壞掉時修改最大解析度

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狀況是設定螢幕解析度為 1280x1024 (真實解析度亦為 1280x1024),
而可視區域為 1024x768, 要用滑鼠移動才能看到全部的畫面(全部的桌面超出可視區),
若您是用 SIS chip on-board VGA, 有可能是螢幕的 DDC 有問題,
Driver 偵測不到螢幕的最大解析度, 就變成預設值 1024x768.
可以修改 registry 來修正此問題.

registry search
SiS.2D.NonDDCResolutionBound

可能會找到兩三個, 其預設值為 1024.768.75 (表示最高 1024x768 75Hz)
改成 1280.1024.75 (表示最高 1280x1024 75Hz)

其他家的顯示卡可能也有類似的參數.

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This page contains a single entry by Pank published on July 10, 2008 2:00 AM.

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