If you’ve done that and you’re certain it’s not the cause of an inability to drag and drop, carry on with the tips below. If there is, clean that off first, as physical obstructions can definitely cause weird behavior with input interfaces. WAIT! First, Check the Hardware for Gunk & Grime!īefore we get started with any of the software based troubleshooting tips, check to see if there is any material, gunk, or grime buildup on the surface of the trackpad, or in the tracking surface of the mouse, and in the buttons. With its “Junk Files” feature, it not only cleans temporary files including logs, mail caches, iTunes, and iOS temporary files, and empties trash for the current user, but also detects remaining files after deleting apps.How to Fix Drag & Drop Not Working on Mac : 6 Troubleshooting Tipsįor best results you’ll probably want to try these in order, they’re arranged in order of simplicity to slightly more complex. It’s really great to have such a system optimizing tool. I must tell you there is a savior for your Mac – Cleaner One Pro. There are also probably many apps you have never used and don’t need anymore. Let’s say someday your Mac has a lot of junk files and duplicate photos.

I believe you also want to keep your Mac clean. If you have done a complete installation of macOS, you must be enjoying the completely new macOS now. Click “Install” and wait until the upgrade is done Agree to the software terms and conditions. When the installation window appears, click “Continue” again.

When it returns to the former page, insert your USB and click “Continue”. Select “Mac OS Extended (Journaled)” from the list of volume formats and start formatting.į. Open “Disk Utility”, choose your startup disk, and then click “Erase”.Į. Press and hold “Command+R” when you hear a startup ring (or when the screen on your newer Mac device turns black), and hold down the keys until your computer restarts.ĭ.

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