
Shut down the Mac, then press the power button.When you hear the startup chime, press and hold the Command-R keys (⌘R) until you see the Apple logo and progress bar. Once you're in recovery mode, run Disk Utility > First Aid on the internal startup drive. Some even go to the extremity of calling it a spinning pizza of doom. To fix the Mac spinning wheel on startup, or while running an application, TuneupMyMac will play the role of the saviour. One cause of a persistent spinning wheel is software instability. To do so, press Command+Tab or just click around on the screen (your mouse should still work even though the cursor has changed). of 2 - MacBookPRO hangs forever on start up spinning wheel for every task - posted in Mac OS: Hello everyone My MacBookPRO is old.If it’s not already obvious, you can find the app causing the issue by cycling through those that are active. Checking your machine's vitals-RAM, CPU, disk space, and so forth-will keep things running smoothly: Go to your Activity Monitor (you can find it by typing it into the Spotlight). Mac Pro hangs at startup showing white screen with spinning pie wheel. Fortunately I was able to narrow the problem down to two things: either a file(s) required at launch became corrupt, or system-level file permissions got screwed up. However, if you start seeing the wheel spinning frequently and on a variety of different applications there may be a deeper problem. I have a Mac Pro 1,1 (bought in Dec 2007) Dual-Core Intel Xeon.6, aka Snow Leopard, caused a boot failure that results in an endless display of a rotating icon known colloquially as "the spinning wheel of death. Usually, you’ll see it when working on something involving large file sizes – such as editing photos and videos. Verify from >System Preferences>Disk Startup> re-select your Macintosh HD. Then, choose ‘ Applications ‘ from the menu. I left it to see if it will start anyway but the computer just does not proceed with the startup, the wheel is still spinning on and on. Numerous Mac users complained over the past week that upgrading their systems to OS X 10.
