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Apple Computing Products:
macOS - Desktop Hardware
Very Grainy Display
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<blockquote data-quote="Chilbear" data-source="post: 805369" data-attributes="member: 32643"><p>Update your OS to a later version as the early ones were suspect. Get the latest Combo updater and try that first.</p><p></p><p>Sounds like a bad driver as a first guess. What kind of plug is the monitor using - DVI or other? Maybe the video card is going away (overheating?) and defaulting to a lower res. Also go into the Preferences>Displays and make sure what you have for a monitor is correctly identified by the system and it should allow a choice of resolutions in the pull down.</p></blockquote><p></p>
[QUOTE="Chilbear, post: 805369, member: 32643"] Update your OS to a later version as the early ones were suspect. Get the latest Combo updater and try that first. Sounds like a bad driver as a first guess. What kind of plug is the monitor using - DVI or other? Maybe the video card is going away (overheating?) and defaulting to a lower res. Also go into the Preferences>Displays and make sure what you have for a monitor is correctly identified by the system and it should allow a choice of resolutions in the pull down. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Very Grainy Display
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