Shut down your computer by holding down the power key for a few seconds.

But I’ve had friends who gave their external Hard Disks to some PC users, which when returned caused some library plist or permission to malfunction. This technically shouldn’t come first, because it’s quite likely not to be the problem with the Mac. How to circumvent this ? One of the following processes should get you out of this loop Disconnect all Peripheral Devices If not, then it could be a add-on causing the problem. If one of these are causing a problem, your reboot should start immediately after the spinning wheel. At this point, the system loads kernel extensions, boot caches and more.

Then a spinning wheel shows up underneath. During the boot, when the Apple Logo shows up, that means the System has a valid boot device (ie could be your bootcamp, or your HD, or your bootable HD).

To narrow it down, lets take it one step further. However, if your computer is not booting, but is stuck in a boot loop, then there could be two problems : it could be a kernel issue, or a hardware issue. Once the Kernel loads properly, even if there’s a problem with background services like location, the computer will still boot, only in this case those particular background services may not work. This could be if there was a power outage/fluctuation, an app crashed, you ran out of HD space (yes, that’s happened to me, I download… a lot) or if your system libraries are corrupt. However, in the in some cases, instead of booting properly, the system may display the Apple Logo and then reboot, repeating this step over and over again. When you start up your Mac, the system generally shows a grey Apple Logo (the color changes depending on what OS you’re running) for a brief period followed by your Log In screen or directly jumps to your desktop (again depending on the settings you set in System Preferences). But first let’s look at what’s probably happening in the background. One of the following list should pull you out of the Boot loop, and from there you can take measures to stop it from reoccurring. Now back to the possible solutions/workarounds. I highly recommend going to them (rather than Maple or Chroma) for any Apple Related issues you may face. I’ve had a fantastic journey with them, for over 15 years I think. But there are other ways….įirst off, let me say, that the only Service Provider I’ve seen that doesn’t give up so fast on your data is PCSS, Mahim, Mumbai. Unfortunately, most of the time in India, if you take your Mac to your local Apple Third Party Reseller or Apple Authorized Service Provider, they will tell you that the only way to resolve this is to wipe your hard disk and by doing so you will lose all your data. Maybe its a 3rd Party extension, or or add-on causing it, or maybe a hardware fault. Recently 2-3 friends have had this problem with their Macs.

2006 macbook pro command r not working