Error Restart Mac
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rare situations, your Mac may do one or more of the following: spontaneously restart, become unresponsive, turn off, display a message "Your computer restarted because of a problem." or display a message "You shut mac kernel panic down your computer because of a problem." About unexpected restartsIn rare instances, OS X
Mac Restart Error Message
may encounter an unrecoverable issue affecting all open apps.When this happens, your Mac must be restarted. This is sometimes due to how to restart a mac desktop what is known as a "kernel panic" because an underlying part of the operating system (the "kernel") has determined there is an issue that requires a restart. If your computer experiences a kernel panic,
How To Restart A Frozen Mac
a message may appear for a few seconds explaining that the computer has been restarted: "Your computer restarted because of a problem. Press a key or wait a few seconds to continue starting up." After a moment, the computer continues starting up. Preventing unexpected restartsIn most cases, kernel panics are not caused by an issue with the Mac itself. They are usually caused by software that was installed, or how to restart a mac with keyboard a problem with connected hardware. To help avoid kernel panics,install all available software updatesuntil Software Updatereports, "Your software is up to date." OS X updates help your Mac handle the kinds of issues that can cause kernel panics, such as malformed network packets, or third party software issues. For most kernel panics, updating your software is all you have to do. After your computer restartsOnce your Mac restarts successfully, an alert message appears, "You shut down your computer because of a problem." Click Open to re-open any apps that were active before you restarted. If you believe the issue may have been caused by one of the apps that you were using, click Cancel instead. If you don't click anything for 60 seconds, OS X automatically continues as if you had clicked Open. Note:If your computer is unable to recover from the issue, it may restart repeatedly, and then shut down. If this happens, or if you see the "computer restarted because of a problem" message frequently, see theAdditional Informationsection of this article for guidance. Reporting the issue to AppleOnce you log in, OS X lets you know that, "Your computer was restarted because of a problem." Click "Report…" if you want to see details
(Malaysia)NederlandsNorskPolskiPortuguês BrasileiroPortuguêsRomânăPусскийSlovenčinaSvenskaไทยTürkçeУкраїнськаTiếng Việt简体中文繁體中文 OS X El Capitan: If your Mac restarts and a message appears If your Mac restarts and a message appears If your Mac restarts unexpectedly, an error known
How To Restart A Mac In Recovery Mode
as a kernel panic occurred. After the restart, you’ll see a
Restart Mac Laptop
message that your computer restarted because of a problem. The most likely cause is faulty software. restart mac os A kernel panic can also be caused by damaged or incompatible hardware, including external devices attached to your Mac. Important: To print these instructions, click the https://support.apple.com/en-us/HT200553 Share button in the Help window, then choose Print. If the kernel panic is caused by a known problem, the faulty software is identified. To make sure that this software doesn’t continue to cause kernel panics, move it to the Trash. If the faulty software is not identified and your Mac continues to experience https://support.apple.com/kb/PH21900?viewlocale=en_CA&locale=en_CA kernel panics, try the following: Restart your Mac in safe mode. If it successfully starts up in safe mode, choose Apple menu > App Store, click Updates, then install any available updates. Uninstall any plug-ins or other enhancement software from manufacturers other than Apple. If you recently updated OS X or an app, plug-ins and other software that worked in the past may no longer be compatible. Read the manufacturer’s documentation (including Read Me notes) to be sure the software is compatible with your version of OS X. Disconnect all USB and FireWire devices, except for the Apple keyboard and mouse. Remove hardware upgrades from other manufacturers, such as random–access memory (RAM) and Peripheral Component Interconnect cards. Then try restarting your Mac. If this resolves the issue, reconnect one device at a time, restarting your Mac after reconnecting each one, until you determine which device is causing the problem. Reset parameter random-access memory (PRAM). Use Apple Diagnostics or Apple Hardware
Resources Macs MacBooks Mac Desktops iPhones Blogs iPads Accessories Apps Audio Business Cameras Components Development software Displays E-readers Home Theater iOS iPhone Accessories iPad Accessories http://www.macworld.com/article/2027201/how-to-troubleshoot-a-kernel-panic.html iPods OS X Printers Networking Productivity Software Smartwatches Storage Styluses Mac 911 Mac Gems MacOS Hints Mac 101 Working Mac Get more out of your Mac with productivity tips and tricks Follow @macworldbiz Home OS X How to troubleshoot a kernel panic Comments Joe Kissell | @joekissell Senior Contributor, Macworld Feb 6, 2013 3:30 AM Most crashes on a Mac how to affect just one application. But you may encounter a type of system-wide crash that brings down your entire Mac: a kernel panic. When this occurs, there’s no warning and no way to save your work or do anything else without restarting. And, because kernel panics can have many different causes, diagnosing the problem and preventing its recurrence are difficult. how to restart How do you know if it’s a kernel panic? If you’re running OS X 10.7 Lion or earlier, kernel panics usually result in your screen dimming from top to bottom, and a message appearing in several languages telling you that you must restart your Mac (by holding down the power button for several seconds to turn it off, and then pressing it again to turn it back on). Up through Lion, a kernel panic looked like this (on an otherwise unresponsive screen). Starting in OS X 10.8 Mountain Lion, OS X automatically restarts when you have a kernel panic, and then displays a similar-looking message for 60 seconds (or until you press a key) telling you that your Mac was restarted because of a problem. (If the kernel panic repeats every time your Mac restarts, OS X will give up after five tries and shut your Mac down.) As Apple notes on its support page about kernel panics, something as random and fleeting as malformed network packets can potentially cause a kernel panic. So, if you e