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I would love feedback from those who have installed Yosemite on a Dell Latitude E7440. I used Pokenguyen's guide at the link below to perform an installation on mine: URL: https://osxlatitude.com/index.php?/topic/6461-guide-e7440-with-clover/ The system boots fine using Clover. However, I've observed that the mouse cursor is "jumpy" - and the same can be said for launching applications. Even the first screens of the installation process had sluggish animations and mouse cursor movement. Other times, windows that are closed leave behind "ghosts" of what was being displayed. Eventually the display refreshes to clear these old contents off the screen. The system is using a SSD drive, and would run Windows 7 & 8 very well, as far as response behaviors would go in a completely different environment. It is also using HD4400 for video output. I'm just curious if my description of how things are performing are of no surprise to those that also run this model, in that these behaviors are expected despite the model being able to be used as a Hackintosh. Otherwise, if there are those who have encountered these behaviors, and somehow overcame them, I'd love that input. As for things to try, I'm pondering the value of: 1) Trying out Jake Lo's Yosemite guide for this model, as outlined at: https://osxlatitude.com/index.php?/topic/7478-dell-latitude-e6xxxe7xxx-yosemite-install-guide/ 2) Evaluating if Yosemite is too heavy for this model, and seeing how Mavericks performs by comparison, using steps from Pokenguyen's guide at the top of this post. Folks in this community have so much valuable experience and understandings of how things operate, so I want to thank you in advance for anything you're willing to share with me!