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erasing hard drive

I have a 17 inch Macbook Pro 17 that is running out of memory. I have copied the hard drive to an external drive using Time Machine. Now I need to erase files off of the internal hard drive. I have erased/deleted documents, but when I attempt to delete libraries and other files I get messages saying the OS X needs this file. I have only gained 11 GBs of memory by deleting documents and that is not enough to comfortable run big programs.


What I am trying to do is erase all but the operating system and installed software programs from the internal drive and essentially keep libraries such as iTunes, Aperture and nonsoftware files on the external drive.


Is there a way to do this?


I know this may seem like a simple problem to most of you but I am new to dealing with memory issues. Please remember that in your response. I am not as techno savvy as the rest of you.


Thank you.


mmb317

Posted on May 17, 2011 11:31 AM

Reply
4 replies

May 17, 2011 11:56 AM in response to mmb317

"Libraries" has two meanings.


The files in the folders named "Library" have important files in them. You can delete things if you know what you are doing. If you are mucking about in one of these folders and you get a message that the OS needs the file, it probably does. I've never seen that message before.


Files such as "iPhoto Library" should be deletable.

May 17, 2011 12:10 PM in response to mmb317

What I am trying to do is erase all but the operating system and installed software programs from the internal drive and essentially keep libraries such as iTunes, Aperture and nonsoftware files on the external drive.

If you are NOT usin Snow Leopard, you can do an Archive & Install.

http://docs.info.apple.com/article.html?artnum=301270 Scroll down to "Archive and Install” and/or scroll down to Erase and Install


IMPORTANT: Make sure you select "preserve user preferences and data" when you perform the A&I?



===================================


http://docs.info.apple.com/article.html?artnum=305454
Mac OS X 10.4: FileVault - "There isn't enough space on your hard disk..." alert



Empty the trash!


Open up your application folder & go through all your apps. Trash all the apps you no longer want and/or use.


An easier way to do this is to open the Application folder in list view & press the Command+j keys.

In the the dialog that appears, click the "This Window Only" button & the "Calculate All Sizes" check box.

Wait a bit until your file & folder sizes have all been calculated, then click the "Size" column to sort your apps from the fattest to the most anorexic.


Get rid of all your photo files you don't want and/or need. Same goes for those pics off the websites you downloaded (gifs, jpegs, etc.). Or transfer/move them all to a photo/movie storage site like ImageShack and Photobucket, 2 of the most popular FREE storage sites.


Get rid of all your music files you no longer listen too. Especially, if you already have the actual CD/DVDs or you can later redownload from a website. Or transfer them all to a FREE music storage site.


Use Spotlight to make sure you got rid of everything. You can even trash directly from Spotlight!


Drag what you don't want and/or need to the trash. Better yet, download this neat little shareware app *demo* called AppZapper. It basically does all the work for you by not only trashing the apps but the apps preference files, caches & all its associated files.


Another software that does the above is AppDelete. Best of all this software is free!


Burn what you want and/or need onto CDs or DVDs. Not everyone has the luxury of purchasing an external HD and/or Mobile accounts to store their "stuff.”


You can check with your ISP to see if they offer *free* storage space. Most if not all do now-a-days. There are thousands if not millions of *free* storage facilities on the web also. Use your favorite search engine to search them out as they come in different storage sizes to fit your needs & wants.


Check for duplicate fonts.

Applications>Font Book

Select “All Fonts”

If you see any “black dots” next to any fonts this mean you have duplicates and/or multiple versions of these fonts.


To clean this up, select a “black dotted” font or the Apple + *click* to select multiple dotted fonts;

Edit>Resolve>Duplicates.

What the above does is turns off the duplicates & multiple version fonts. Not delete them.

More than likely the “extras” were installed by other programs and/or other users.


Clear out font caches

Use http://www.versiontracker.com/dyn/moreinfo/macosx/29757FontNuke. It does all the work for you. And, best of all it’s <*FREE*.


Printer Drivers

Get rid of all the printer drivers you don’t need & use except the ones for your *current* printer(s)/scanner(s).

HD>Library>Printers Folder

If you accidently threw something out that you needed for your printer/scanner it can be easily obtained from the manufacturer’s website and/or from the CD that came w/the printer/scanner.


Garage Band

Has about 1GB of loops stored. Get rid of some some them. You surely don’t use, like and/or need them all.

HD>Library>Audio/Apple Loops>Apple>Apple Loops For GarageBand

Or just get rid of the Garage Band app altogether if you don’t use it.



Get rid of languages

Strip your computer down to your “native” tongue.

You can do this with a *FREE* utility called http://monolingual.sourceforge.netMonolingual. Another app that apparently does all the work for you. I’ve never used it. However, a lot of users here swear by & recommend it highly.

However, there is a warning for *native English speakers*. Make sure you keep BOTH English and English (United States).


Other Resources:


HD Space Checkers:

Disk Inventory X (FREE)


WhatSize (SHAREWARE)


OmniDiskSweeper (FREE)


GrandPerspective (FREE - donation)


Slimming your hard drive


Rule of thumb: You should never let your hard drive get to where you have only 10-15% of space left.






User uploaded fileUser uploaded file


May 18, 2011 9:49 AM in response to mmb317

Thank you to those of you who responded. Your information has been extremely helpful. By erasing downloads I gained 20GBs, and by transferring my iTunes and Aperture Libraries to the external drive I gained almost 100GB. I now have 132 GBs available. Thank you again for the info. I really, really appreciate it.

erasing hard drive

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