OS X :: Zeroing Out Data Without Grey Setup Disks - Possible?
May 31, 2010
I realise this topic has been discussed a lot so I apologise if this new thread is a repeat of another - I searched for the question I want to ask but couldn't find anything. Basically, I'm confused about the zeroing out data process. I need to be certain that it's impossible to tell if internet pages of a particular nature have been viewed on this macbook. I was feeling paranoid so I ran a 7 pass overwrite. However my CD drive doesn't work so I was unable to do anything with the grey setup CDs. Nothing seems to be particularly different following the overwrite - the files on my desktop had been deleted but that was all I could notice (I am a beginner mac user though). So now I'm not sure where I'm at. Would the 7 pass have overwritten all the sensitive info I wish to make unrecoverable, even without using the setup CDs?
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Jul 27, 2009
just a lil information needed here. It seems to me that everytime i format and zero out my external harddrive the time needed to zero it out gets longer andd longer, the first time took roughly 3 hours, then it jumped to 5 and now its at 7 hours. is this normal??? why is this happening am i damaging the drive by zeroing it out?
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Jan 10, 2009
I'm selling my 17" Powerbook so I decided to zero out the data with the "rewrite random data" option -- I always heard "7 pass" but I'm pretty sure it said "8 pass" when I clicked it. I started this on Tuesday afternoon, and now it's Friday night and it's still not finished! It's a 100g HD, and I clicked the drive at the very top of the list -- the one with numbers, not what I would call the "sub-drive" of that which actually included the letters "HD". Usually when I would wake up in the morning, I could see some progress, but in the last 24 hours there hasn't been any. It says "Creating Partition Map". Is it normal for it to take this long?? Do you think it's frozen? I think my buyer is going to get impatient -- what can I do?
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Apr 25, 2010
I just accidentally removed my SD card from my USB reader when I was zeroing out data from it. I've inserted it in again and have now zeroed out the data about 4 times in the MS-DOS format, now whenever I try to insert it into a camera or printer it will say it's not useable despite being able to use it on my Mac. Any ideas? I'd rather not have to go buy another SD card.
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Sep 8, 2014
I Have a MacBook Air which is opening with a grey screen. I have tried to reboot but the instructions say load a disk, which you cannot do as there is nowhere to insert disk.
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MacBook Air, iOS 7.1.2
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Jan 9, 2011
I have a Early 2008 Mac Pro. I have the Apple Hardware Raid Card Installed. I have 4 2TB disks installed. Currently I've got the system disk setup in Bay 1 as a single disk. Then I have the disks in bays 2 through 4 setup as a raid 5. I've been thinking that I might be better off to make all 4 disks into a raid 5 array and then just make volumes for the system disk and my work disk. My goal is to have a system volume an a scratch/work volume for image and video editing.
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Oct 26, 2009
I have an old iMac g3 w/ a 266 MHz PowerPC processor, 160MB of RAM, and a 6GB Harddrive. It is running OS X 10.2.8. I need to get rid of it, but I want to make sure it is cleared of all my data first. Maintaining functionality would be nice so that I can try to sell it. My problem is that I don't have the original install disks. How can I can wipe the memory from my iMac and restore it to a usable condition w/o the install disks.
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Jun 25, 2012
I was given this macbook by my boyfriend and wanted to erase all his data and stuff. I have the mac boxed set for snow leopard for this macbook but I am not sure where to begin, how to start from scratch.
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MacBook, Mac OS X (10.6.8)
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May 6, 2012
I've been trying to migrate data to a new RAID setup, but have been running into the error code 36 issue where Mac created invisible files are killing the file transfers. At any rate, I tried about three different directory cleanup utilities and for the most part got almost all the data to move. Now I'm onto the last bit which was giving me permissions errors as well.I used Batchmod to make everything read write and I ALSO CLEARED THE XTARS. Worked like a charm and everthing transfered. HOWEVER. Killing the extened attributes of the files turned them all into Executible files with no program ownership. BTW, there are font files so there are hundreds of them. Is there anyway to re-assign them or get some of the attributes back?
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MacBookPro, Mac OS X (10.7.3)
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Mar 25, 2009
I've got a Satallite dish system and two routers. I have router B plugged into Router A. Router b Everything is disabled, DNS, Gateway, **** like that, including DHCP. Router A has DHCP enabled, MAC Address Filtering, and DNS and Gateways for the dish system entered. I'm running this setup for my little out post in Iraq. The dish is plugged into the "uplink" port in back of the router, Both Linksys, btw. So I've got 30 people or so on this router, and some one, i fear is passing alot of crap and hogging all the network bandwidth. I suspect SpyWare/Adware of Virus problem on one or two machines. Is there anyway to setup my Mac or a Windows Machine to accept all the data through a network card, and then pass that data up to the satallite dish? I just need to see who's sending all this data and the Linksys logs are crap.
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Dec 30, 2007
I really love Time machine and I'm using it on my internal drive. I know it not the best way to secure data. That why I'm planning to buy external hard drive. I read time machine and backup data on network drive, running leopard.
I'm wondering is there any way to setup time machine to backup my data on network hard drive running Windows XP. I use my macbook with my windows desktop PC for internet and sharing file. It would be great if time machine can backup data on my windows desktop network hard drive.
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Jul 11, 2010
I have a couple of questions regarding backing up my external drive. I've got a 2TB external drive with about 1.5TB of movies, Music etc. I've got another identical empty drive that I want to keep a backup of the first drive on. So my question is what is the best way of backing up this data? I thought of using disk utility(I'm running snow leopard 10.6.4 if that makes any difference) to created a mirrored RAID set. If I plug in the empty drive then create the RAID set will my first drive get wiped when the set is created? or with it leave the data on the first drive intact? Or should I just use something like crashplan to backup to the 2nd drive?
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Feb 15, 2012
So I encountered the grey screen with the spinning wheel 2 days ago. I am using a MacBook Pro (Late 2011), I bought it only 2 months ago. I have tried to reset PRAM, booting the computer with; shift, command v, option, command r, command s, and re-installing Lion from Disk Utility. My last and only way out of this seems to be a reformating of the Hard Drive
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Sep 5, 2014
Basically I have a 750GB hard drive in my Macbook Pro and over 300GB is taken up with 'BackUp' data. This is more than the total of everything I have on the drive other than that. Time Machine has always been setup on an external drive and when searching all files on the Macbook there is nothing for backup files so don't know where it is coming from.
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MacBook Pro, OS X Mavericks (10.9.4)
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Apr 26, 2012
I set up my new air and now want to transfer my info from my macbook pro and I seem to have missed the boat and want to go back and do it . the computers are in different names with diff. passwords.
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Aug 7, 2010
I bought a used mac and when I erase the disk, afterwards it still shows 2 files and 2 folders on the disk taking up 40+mb of space. What is that? When you erase the disk isn't it supposed to be completely empty?
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Nov 27, 2010
I have a Macbook Pro Intel Core Duo (first generation of MacBook Pro released). I run OSX 10.6.5. My disk utility has detected a problem and says I need the install disks that came with the computer. Called apple and they said I could reboot from snow leopard or the upgrade.** Problem is that I don't have any disks with me except those that came with my brand new iMac. Can I use those to reinstall the system? Is there any other way?
**They also said that after 2007, the install disks that come with computers are keyed to that specific computer so I "might" not be able to use the disk to repair.
Additionally, and I don't know if this makes a difference but I have the airport/time capsule which backs up my computer for easy restore.
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Apr 27, 2008
My brother is going to start school in June for Film. He is all set to buy a Mac and knows the software side of things but not so much the Hardware side.
I have a few questions:
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2. Should he do a raid setup for backups?
3. How much memory should he buy for Final Cut operations? (third party)
4. Should he look into getting a Dell monitor instead of Apple? What is a comparable Dell monitor?
5. 4-Core or 8-Core?
6. Any other knowledgeable Mac Pro buying advice
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Apr 25, 2009
I am trying to setup a firefighter's apple laptop into our linksys net at firestation. She got access fine when we did not have it secured but now we setup a wep key. All other members can get in by entering wep key when they choose the wireless router but when we input the wep key to apple laptop airport I think we get connection error. Key is definitely right. What changed in the apple setup other than the wep key, again when signal was unsecure laptop safari worked fine. The linksys is a B about 3 years old.
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Mar 6, 2012
I've got to setup/configure three new iPad2's on the mac that I have which is already associated with an iPad2. I know that there is a way to have iTunes not sync/backup a new iPad 2 as I've done it before, but I cannot remember how to do it.
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Sep 6, 2006
I have a EMac with Mac OS X vs 10.3.9 Prior user erased hard drive. Took to ADR data recovery and they scanned the hard drive and were unable to recover any data. Looking for input on other techniques to recover data from hard drive or other companies that specialize in Mac data recovery.
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May 27, 2010
i just got a new macbook pro 13" laptop and am trying to transfer my itunes music as well as some data i have compiled into a single folder from my (2005) Powerbook G4 12" laptop. Please help me out with this i have no idea how to do this and the Apple Store said they will do it for $100 and i just poured every penny i own into this computer and cannot sell me old computer to pay bills until i transfer this data.
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Dec 10, 2014
I have lost all my data from my harts drive. The laptop is under warranty. I have been told that they have replaced my hard drive but could not get any data off the old one. I have now lost all my data, photos, files, music etc. NO backups, only simply because i did not know how to do them. Is there any way of getting the files back? All my work spreadsheets and accounts were also lost.
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MacBook Pro (13-inch Mid 2012)
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Sep 26, 2010
So, I'm trying to recover some lost files. I put it on Data recovery 3. Everything went fine until the power in my house went out, stopping the entire process. NOW when I try to run the process, it just stalls at 33,3%, with no indication of how much time left...
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Nov 1, 2010
Need some help here. My friend is a DJ and had an external drive with tens of thousands of songs on it. The plug broke on it and I think that corrupted it since Eject was not used. I pulled the 3.5in HDD out of the case and hooked up up with some other external plugs I have.
When I run Data Rescue 3 on it, it shows that it sees almost all of these and the only two formats it counts up are mpeg and mp3s. Data Rescue then finishes the scan and has a bunch of crap files that are not needed, but none of the songs show up. What is going on here? Did I miss something in Data Rescue 3.
The drive is a 1TB drive and the backup drive we are using is 640GB, but there was only about 250GB of music on the drive to begin with.
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Mar 8, 2009
I am, unfortunately, an ex Mac user. I have an old G3 (the beige one) that is not working. Due to my work change I have been a PC user for the last eight years. I have 15-20 Mac formatted Zip disks (100megs) full of JPEGs. I was a proferssional photographer. The problem= Is there a way to get the info off the disks and onto CDs? Without paying a fortune? I'd like to have the images on my Dell.
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Jan 10, 2010
When I looked at the Install disks, one reads "For Mac Computers" and is labeled OS X Install Disk 1. The other one, however, reads "MacBook" and is labeled OS X Install Disk 2.
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Sep 30, 2010
Purchased a used macbook aluminum did not come with disks but i have the discs of my mac mini 2010 aluminum.I tried erasing and installing but it did not work.It says i cannot mac osx on this computer.
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Aug 10, 2008
Each time I put in the installation disk for Office Mac 2008, my Macbook tries to read it, but will eject it within 15 seconds without allowing me to download. Is something wrong with my DVD drive? My Macbook is less than 1 year old. Not getting this at all!!
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