Why is my mouse pointer glow­ing?

Mac Format - - APPLE TALK -

Q When I con­nect my MacBook to an ex­ter­nal mon­i­tor, I get a pur­ple glow around the edge of the mouse pointer. I can move it back to the MacBook’s screen and it’s fine, but when­ever it’s on the ex­ter­nal mon­i­tor it has the glow. Jonti van der Hoorn

A I don’t have a solid so­lu­tion for you, even though this bug has been known for al­most eight months now. It can af­fect any ex­ter­nal mon­i­tor, with both HDMI and Thun­der­bolt con­nec­tions. Re­plac­ing cheap mini Dis­play Port adap­tor ca­bles has helped in some cases. But the best work­around so far is to hit Can­cel when the MacBook first wakes, and let it go back to sleep. The glow doesn’t seem to come back af­ter that.

Can cheap DVI adapter ca­bles be re­spon­si­ble for a glow­ing mouse pointer? The jury

is still out.

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