Problems launching Classic with OS 9.2.1: USB Mouse extension? After updating to Mac OS 9.2.1, J.P. Monahan had the problem where Classic would not launch in Mac OS X anymore (see also our Mac OS ...
USB problems continue We continue to report on significant issues with USB devices, apparent after the recently released Intel-based Mac EFI firmware updates. These include system sluggishness that ...
Check your mouse hardware first by trying a different USB port or changing the batteries. Update your computer's drivers to fix any lagging issues with the mouse. Turn off features in the settings ...
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