Other times, they can be installed, but that installation will not work properly or completely. Does your Mac shut down automatically upon connecting the disk? Verbose Mode—Verbose Mode is a text-only environment which displays status messages as the startup process progresses. If possible try to use a different display, or a different adaptor (use DVI instead of VGA, for example). check over here
Well, here's what you can do. Answer:When a Mac fails to start up normally, one of the common troubleshooting practices is to verify and repair the startup drive. Sure enough, I got a chime. Trying to log back in, I couldn’t get past the Apple logo and spin gear.I let the logo and spin gear go for about 3 hours and nothing. If you recently installed new memory or a new hard drive, make sure they are correctly installed and compatible (if possible re-install the old memory or hard drive). http://www.idownloadblog.com/2015/09/14/how-to-start-up-mac-from-bootable-media/
How to fix a Mac that won't start up: Step 3-Run Disk Utility in Recovery Mode If your Mac turns on, and the display works, but it won't boot, there could Wait until the command-line prompt appears, when all the text is done scrolling past. For instance, the CD included with Norton Utilities includes a version of Mac OS X that is too old for most new Macs, and the version of Mac OS X included If all of your Macbook Pros are the same model, purchased at the same time (more accurately, manufactured at the same time), then the "Software Restore" disks should all be identical.
If i desonnect the internet I am able to resart my compter and it will eventually startup. They boot on other systems2. Or have you been able to log in but then the desktop never shows up? https://www.cnet.com/news/mini-tutorial-inability-to-boot-from-mac-os-x-cddvds-solving/ In these cases, simply use the "Restore" CD/DVD that was included with with your Mac, or make sure the retail copy you Mac OS X installation disc meets the minimum requirement
A dead or dying PRAM battery can prevent a Mac from booting or cause erratic behavior. Resources#86117subscribing to MacFixIt Pr...More from Tutorials Share your voice 0 comments Join the conversation Tags Computers Related Stories Buying a laptop, last-minute holiday shopper? I unplugged everything from the logic board except for the power supply and video connections and hit the power button. You should use this startup mode only for troubleshooting and not for running day-to-day applications.Boot Into Single User ModeStart up your Mac and immediately hold down the command key plus the
United States Copyright © Apple Inc. http://www.mac-forums.com/showthread.php?t=288208 Tip: You can easily burn a bootable image of OS X to a DVD using Disk Utility. Macbook Pro Boot From Usb Apple Hardware Apple Desktops Apple Notebooks Apple TV Other Hardware and Peripherals Developer Playground iOS Development OS X - Development and Darwin « Previous Thread | Next Thread » Thread Information Mac Boot From Cd Golf a Numerical Growing Braid Snowman Bowling Classifying image by file extension within a PDF creator How can I keep the computers on my spaceship from dying after a hull breach?
To display a system boot menu: Hold down the Option key while restarting or booting the Mac, and you can choose which operating system you want to use. http://crudlet.org/boot-from/unable-to-boot-mac-from-dvd.html This is a special booting method that forces your Mac to perform an automatic disk check and repair as it tries to start up. Once the date/time reset alert popped up and I didn't really know what to do about it so I didn't do anything. To enter Target Disk Mode, turn on your Mac and hold down the T key immediately upon hearing the startup chime. Mac Option Key
Logic board is fine. Additional advice If the optical disc is loaded whilst the Mac is powered off, then C – pressed immediately after the startup sound, and held – should allow the Mac to After a week or two new battery is dead. this content Is the disk connect to the keyboard's USB port?
Safe Mode takes a while, so don’t be alarmed when you don’t see the desktop right away. Read next:How to back up your Mac How to fix a Mac that won't start up: Step 9 - Reinstall Mac OS X or macOS Sierra Remember OS X / macOS Reply With Quote Quick Navigation OS X - Operating System Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums Community Information Center News and Community Announcements
I reset the PRAM but this did not help. For more details seeHow (and Why) to Clone Your Mac Hard Drive.More Tips and Suggestions?I'm sure there are many other tips and suggestions on the topic of Mac startup problems; please What is important is the specific build of OS X that is being used. have a peek at these guys If your Mac requires the firmware update, the installation process will proceed.
Other ways to start up your Mac Your Mac can start up in a number of different ways, including the following methods that our tutorials provide step-by-step instructions for: Safe Mode—Invoked To start viewing messages, select the forum that you want to visit from the selection below. Your Mac OS X CD or DVD might not be compatible with your Mac If you are using a Mac OS X CD or DVD that came with a Mac other That really does not make sense as I have 10 of the same models?!?Thanks,Sean Apr 5, 2009 12:59 AM Helpful (0) Reply options Link to this post by eww, eww Apr
Has the disk been formatted with a GUID partition type? Release the key after Startup Manager appears. Is the storage device to an external power supply? Fortunately this is easy to test for: shut down the computer, remove one RAM DIMM at a time (remove in pairs on the Mac Pro or PowerMac G5), then reboot.
asked 3 years ago viewed 884 times active 3 years ago Upcoming Events It's the season to ask about recommendations - do it well, please. I have tried inserting the DVD, starting the install and rebooting.4. Here is also a guide on how to do this (install the osx from a USB) for osx 10.4 btw install boot osx 10.4 from usb drive share|improve this answer answered How to fix a Mac that won't start up: Step 2 - Novideo signal (or it's distorted) If your Mac does turn on, but doesn't boot up because you can't access
Step 1: Open the System Preferences application in the Dock. To get some feedback about what's happening, you might choose to start up while holding down Shift, Command and V: that enters both Safe Boot and something called Verbose Mode, which We will be covering more ways to start up your Mac in future tutorials.