Yes, it should work just fine. Lion through El Capitan has the Recovery built-in, and it will reinstall OS X using whatever current version you are on. If not, you might need to download the firmware to use the Internet Recovery version, but this installs whatever was originally on the computer, so you'd have to update your OS again from the Mac App Store. Everything works fine up until the last step after entering my ID and Password Try again later. My hard drive crashed on my Imac took it to computer repair they installed new hard drive, tried to recover data but could not, when we presented the imac to the apple store they told me i would have to buy back my old hd from them um hello no way, so thats why we went to another place that works on macs, so apple said i had lion on the mac, i couldnt remeber but now i remember i had leopard, the computer place installed lion, well now I cannot get any of my programs installed from the dics i have, like my photo software, etc, any cd i put in stays in for a minute then pops back out.
I turn on the computer, hold the command and r keys for 15 sec.
Oh the joy of reading Service currently not available when it tries to download Mavericks online and all the while having only windows computer working. My late Mac Pro would not boot this AM. Would not let me reinstall OS X. Would any think it is more than a bad internal drive 1? I pulled the drive 1 out, checked all the pins and reinstalled into its slot firmly.
It goes to grey screen and first tone There is not the "Reinstall the OS X" in my computer. Why not? Now what can I do? Please help me. I really need my computer for work. Whenever I turn on my iMac, it would load up to the apple logo and shut down after a few seconds. This happened ever time i tried to turn it back on again.
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I had a bit of hope but nothing ever changed so I decided to erase my disk and was immediately promoted me to restart my computer. When I did, it brought me a a symbol of a folder with a question mark which flashed forever. I held the power button to turn it off and hit it to turn it on again while pressing command and R keys at the same time, it brings me a sign of a spinning globe that loads forever.
When I restart it and immediately insert its installation DVD while pressing key C, it brings me the apple logo and stays like that for ages. This is freaking me out.
I have read and tried so may solutions online but nothing has changed. Please help me with another way. If I am currently running a public beta of El Capitan, will this method still work and install the official release of El Capitan? There's a good chance that it will re-install the public beta version, since it was the most recent OS installed on your Mac. Apple suggests installing from the Mac App Store instead. Now I need to format the new HD.
Do I need a utility disk? I never created one on this Macbook Pro can I create a utility disk from a newer iMac? Select the disk from the menu, select your language, then choose Disk Utility from the Utility drop-down menu and proceed to reformat it to the right settings. Then you can go back and install the OS.
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Try again later can anyone help me how to recover all the apps without recovery disc and without back up? I am just wondering. Hey Adriel. So I'm having a slightly different issue. I've followed your steps, but every time I hit "erase," it brings up a notice saying: "Disk Erase failed with the error: Couldn't unmount disk. I've attached a pic of the error.
However, on the left one can clearly see the main " But it allowed me to erase the Macintosh HD option. Why is that?
Has my drive been erased nonetheless? Or do I still need to do something else? Is all hope lost? I'm now stuck on the pop up window which says "To download and restore Mac OS X, your computer's eliegiiilty will have to be verified with Apple. Loading Installation information It shouldn't be too long.
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If that doesn't do the trick, there's another more complicated course of action you could try. Click on Bluetooth. Move the mouse pointer over the names of the devices. An x button appears when you do; click to unpair the device. Afterward, connect a wired USB equivalent keyboard or mouse to the Mac. Restart your iMac by clicking the Apple menu, then select Restart…. Click the Restart button when the dialog box appears. Run the Disk Utility in the Utilities window by clicking it.
Click Macintosh HD , then click Erase to erase the data on your hard drive. Click Quit Disk Utility when the erase success message appears.
After erasing the hard drive, install a fresh copy of macOS to your iMac. Click Reinstall macOS from the main utilities window. The utility prompts you to choose a language and accept the license agreement. When the process is complete, your iMac will have a clean operating system with factory settings.
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Chicago native John Papiewski has decades of IT consulting experience, and has worked with a wide range of businesses including finance, real estate, distribution and publishing. His articles have appeared in various outlets including azcentral. Skip to main content.
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