iMac color bleeding
Overlapping colors then blacken on video play. Mouse is unstable, trailing a black tail. Desktop fading in the icon tray. Menus show transparent.
iMac, OS X 10.11
EtreCheck is a FREE simple little diagnostic tool to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac. It will not display any personal info.
Thanks for Old Toad’s etrecheck instructions…
Slow iMac 2017 - Apple Community
Use the Note tool on the bottom of this editor's toolbar, as shown in the image, to copy and paste the output from EtreCheck. In a Reply before you click post, look for this to add longer texts...