MacBook Pro :: Clean Up Hard Disk Through Erase & Install
Jun 25, 2012
I have a MacBook Pro which was originally supplied with OS X10.4.9. I have upgraded using disks purchased from the Apple store to 10.5 and subsequently 10.6. More recently I upgraded to 10.7 using the download from the online App Store. I would like to perform an Erase and Install to get rid of the 'dross' on my hard disk and may do this as part of the 10.8 upgrade although have yet decide whether to wait for this or not.
when doing the erase and install, do I have to start from scratch by loading the original 10.4.9 OS X version or can I start at 10.7. If the latter how would I do this given that I don't have a disk as it was downloaded from the App Store?
Info:
MacBook Pro, Mac OS X (10.7.4), 2.4 GHz Intel Core 2 Duo
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Aug 15, 2009
1. To grab all the files I need/don't want to lose (photos, music, documents, etc.)2. Then completely erase the 500GB HD so I can then install it into the new Macbook Pro and install Leopard.(I'll then externally connect the 160GB HD that came w/ my Macbook Pro and add the files I've already copied into that 160GB HD into the 500GB Leopard installed HD in the new Macbook Pro)So, currently my 500GB HD is connected to my Macbook pro and I want to completely erase everything so I'll then have a completely clean hard drive, to then install into the Macbook Pro, add the installation discs and install Leopard into the 500GB HD.
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Feb 24, 2012
I have a Macbook Pro 2.1 GHZ with 2GB of RAM from 2006 with Mac OS X 10.4.11 (Tiger) and I bought Snow Leopard (Mac OS X 10.6.3). I want to install the new OS but I had some problems with this process. Do I have to erase my hard disk first and then install Snow Leopard? I want to keep my documents on my hard disk and the programs that I have.
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Jul 8, 2010
I have recently done a Time machine back up of my MB Pro 15" then wiped my hard drive trying to clean it up so I could install Windows 7 with Boot Camp. I had my original Install Disk which I forgot was Tiger, Having used one of my brothers company licenses to upgrade to Leopard but that disk is now with him in another country. So now I can not restore from my Time Machine backup. I have a Leopard Install disk for a Macbook Pro 13" which I also own. Is it possible to use this disk to re-install Leopard on my 15"?
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Apr 4, 2012
You can not post a blank message.
Info:
MacBook Pro (15-inch Early 2008), Mac OS X (10.3.x)
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Aug 17, 2009
I just received my new MacBook Pro. It came with 250 gb of hd space. I had to do an erase and install on it because of an issue that came up while using the migrant assistant. So, after doing the erase/install it says that I only have 216 gb of space left? And thats without the applications CD that I have to put in which will be about 4 gb. I believe when I first turned the computer on before doing the erase/install it had about 235?
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Oct 29, 2009
I'm in a bind. I want to sell my MacBook Pro, but my dad threw away the installation DVDs that would allow me to erase the hard drive. What's the best option here? I was thinking that I could purchase the upgrade version of Leopard on Ebay since it's cheaper than the full version of snow leopard... but would that allow me to erase the hard drive?
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Dec 2, 2014
Cant erase hard drive because cant "unmounted disk"...My hard drive crashed about a month ago, and i used a program called data rescue to clone hard drive. when i put it in mac it will not load. now all i want to do is erase the drive and install Yosemite as new mac. but cant install or erase the hard drive.
Info:
MacBook, Mac OS X (10.7.5)
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Jun 13, 2012
I want a brand new OSX installatetion. What is the best way to completely erase my SSD (to make it brand new) and reinstall MAC OSX (i can use internet WPA secure Wi-Fi to reinstall MACOSX Lion). On macbook air late 2011.
Info:MacBook Air, Mac OS X (10.7.1)
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Oct 17, 2010
I have an external hard drive that was used on a PC. I want to use it on a Mac. I went into disk utility and did an erase. (Extended Journaled and in security options changed it to zero out data). I can now use it on the Mac how ever it is telling me that there is 54.1 MB of used space. I want to have access to this. How do I do it?
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Dec 19, 2010
I have a hard drive with about 250 gb of film and music on fbut it's formatted as HFS+ which windows cant read! I need to partition the drive to make windows be able to read at least a portion of it. But If I run disk utility and create a partition will it erase the info I already have on there? I don't have this data else where so I hope it wont!
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Aug 4, 2007
i know that diskutil has alot of commands and im not sure how to use them, i would specifically want to know how to use eraseDisk properly. Or is there any other way to clean install tiger without using darwin? I know eraseDisk gives me a format to use but i never get it right for some reason. diskutil eraseDisk "Journaled HFS+" MacintoshHD bootable /dev/disk0 -- this works i got it right now but it gives me this error: could not unmount disk for zeroing
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Oct 26, 2008
I'm wanting to sell my old Mac mini, but I need to know how to erase any and all private information that I don't want any possible buyers to have access to. How do I go about this?
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Apr 18, 2012
My older MBP is running very slow, and I have tried all the usual ways of making it run quicker - repair permissions, repair disk from Lion recovery partition, remove extraneous files, checking Activity Monitor, etc. etc. Someone suggested reformatting the HD and then restoring from a backup. I have the HD cloned to an external HD with Super Duper, but if I reformat the internal HD and restore from the clone, won't the problems that caused the issue in the first place just be cloned into SD and then restored to the reformatted internal drive, thus defeating the excercise?
Info:
MacBook
Pro, Mac OS X (10.7.3)
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Dec 17, 2010
I try to securely erase big hard drive and Disk Utility in Tiger says Secure Erase. Pass 1 of 7. Estimated time 123 hours
Is this progress bar only for erase 1/7 or for all 7 passes (1-7/7)?
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Mar 17, 2010
I have an early 08 MBP that shipped with Leopard. I upgraded it to Snow Leopard quite a long time ago. I feel like doing a clean reinstallation but my Leopard disk is spoilt.
Is it possible for me to do a brand new clean installation just using that Snow Leopard upgrade disk?
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Feb 21, 2012
I run a computer business. My customer gave me a white macbook core duo. I upgraded to 2gigs of memory from 512mb. I then purchased a full copy of snow leapard and did a clean install. I setup garageband for the first time. This is all I want to use the computer for. I don't deal with macs in my business. I only work on windows. So, I thought this computer would be nice just to use to setup a small recording studio. I did everything by the book and now when I record I am getting the disk to slow error 10005. This happened after I recorded about five songs. I checked the we and it seems like this error has been around for years with frustration and no resolution. My question is this. Should I just buy another computer or waste my time trying to fix this error. I don't mean that in a bad way. Since this error has been around for so long, I don't to spend all my time working on the computer when I could be recording. What would you do?
Info:
GarageBand (Mac) '11, Mac OS X (10.6.8), Garageband
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Nov 1, 2010
I'm drop shipping my 27" imac refurb to OWC for them to install the sdd, ram, etc. Someone here said OWC will clone the hd to the ssd and then the end user went back and did a clean install. Wouldn't it be better if OWC just installed the SSD, left it clean, and I did the install from the disks myself? I mean I assume it's a time issue why they would clone, not fresh install. I have plenty of time to do it. Is it not that simple? Is there something more fangled to it, or is it just running the disks and doing what they say?
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Apr 27, 2012
I'm in a pretty big mess right now. I was using boot camp with lion and Windows 7 no problem and I wanted to edit the sizes of the partions. It didnt go so well and I ended up losing both operating systems. Now the big problem is when I boot up from the recovery partion I cannot do any sort of formating from the disk utility, it always give me some sort of error. When I try to install lion via web there is no partion that I can Install it to. I can install Windows no problem from a USB drive whcih I have done already. When managing the disk in windows I see 2 of the windows partions, the mac recovery partion, and an 80 GB partition that I can format but I cannot do anything else with. I dont have any images or recovery devices other than the recovery partition.how to get the drive back to mac format so I can re install lion.
Info:
Mac mini, Mac OS X (10.7.3)
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Apr 21, 2012
This nonsense: To upgrade your Mac to OS X Lion, you must be running OS X Snow Leopard. If you have OS X v10.5 Leopard, purchase OS X v10.6 Snow Leopard now and install it on your Mac. Then buy OS X Lion as a digital download from the Mac App Store- seems very very un-apple.
So let me get this straight: I have to install an outdated OS (snow Leopard) in order to install Lion. ???
Remember when an OS was self contained, not an add-on upgrade feature?
I am puzzled- I would simply like to boot my mac pro from leopard (current os), and install LION on a newly placed, freshly formatted internal hard drive on same computer. Why would i need to have the intermediary step?
The folks at apple store couldn't answer- even the genius folk weren't sure- dissappointing at best-
Info:
Mac Pro 3Ghz Quad Core Duo, Mac OS X (10.5.8), G4 MDD Dual 1Ghz Power PC
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May 7, 2012
I have a macbook pro 13 " and I shall like settling on an external hard disk ( SSD) Windows 7 not to split up the main disk.
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Apr 15, 2012
I've just transferred my data to a new computer and now need to erase the hard drive on my old one.. I've tried Disk Utility, increased the security, and tried 'erase' but I keep getting an error message "couldn't unmount disk". I've gone into Partitions and tried deleting the HD there as well but I get the same message. I just want to get the computer securely wiped and would like to keep Lion as the operating system.
Info:
Macbook 2GB ram, Mac OS X (10.4.9)
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May 10, 2012
My Macbook pro has just had a new 500gb hard drive in it and osx snow leopard had not been put on it because i never got a disk when i bought it. It still comes up with the grey screen with the flashing folder which i think would be normal because there is nothing on the hard drive. How do i install OSX Snow Leopard back on it the cheapest way possible?
Info:
MacBook Pro (13-inch Late 2011)
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May 10, 2012
My Macbook pro has just had a new 500gb hard drive in it and osx snow leopard had not been put on it because i never got a disk when i bought it. It still comes up with the grey screen with the flashing folder which i think would be normal because there is nothing on the hard drive. How do i install OSX Snow Leopard back on it the cheapest way possible? and easiest.
Info:
MacBook Pro (13-inch Late 2011)
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Aug 6, 2009
I have tried numerous times to restart the PC with the Leopard disc in my DVD drive and it comes up, after I press C upon reboot, but no matter what I try I cannot get the erase and install option to ever show up.
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Sep 4, 2010
I want to clean install windows 7 after formatting disk. This doesn't sound like a great idea, but I need this for couple of engineering softwares to work. I don't want to spend my nights in computer cluster or at friends pc...
I have heard, I will encounter following issues:
- battery will drain faster
- graphics driver for x64-bit version
- camera
- iPhone backups and syncs (music, video, cal, contacts and apps)
- I would need a external mouse for right click.
I can live with all of the above problems except graphics card drivers. Can anyone provide feedback or useful links they have refered to installing Windows 7?
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Apr 28, 2012
How do you get the install destination hard disk to show up when re-installing the operating system? I'm trying to re-install my OS and can't get past this step because the destination disk does not show.
Info:
MacBook Air, Mac OS X (10.5)
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Apr 2, 2012
This is the first time i reinstalled(clean install) my snow leopard on my MBP. All went fine but then i inserted the disc for bundled application (which contains the ilife apps) but it keeps failing.
It says that "the installation failed. the installer encountered an error that caused the installation to fail. contact the software manufacturer for assistance".
I've also done my research on this matter. I've gone thru a few steps i tried as below without success:
1)normal install - fail
2)repair permission - fail
3)install in safe mode - fail
4) install using another admin acc - fail
5) made an image out of the disc and install - fail
6) used a similar disc(my dad's since we have identical version) - fai
7)updated my system and install - fail
8) reinstall the mac - fail
i cant think of any other solution as im a bit noob when it comes to mac. is there any other things i could try before taking it Apple?
Info:
MacBook Pro, Mac OS X (10.6.8)
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Jul 5, 2012
How do I erase/wipe clean my old, 2001, desktop so I can donate it?
Info:
iMac
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Nov 28, 2010
i just bought a macbook pro and i want to do a clean install but it didn't come with the install disks. is there a way to do it without buying new disks?
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