Hard drive is not available

Needing help.
My MacBook Pro (late 2010, 13", 250GB/4GB Ram) lost access to mail, then iChat, then address book. Each time I tried to access the mail program or chat, it would crash. Fixed and verified permissions, cleaned out cookies, ran disk utility to clean up the disk, but no help. I took it to the Genius bar, their best guess was to erase and reinstall. I hesitated to do that for a couple of months... the machine ran fine except for those programs. I run graphic intensive programs like Adode CS5 with no problems, but the native programs were busted.
So, finally erased the disk, tried to update from my latest backup and now the machine does not recoginize my hard drive. I get the universal symbol of NO... NADA... ZIP. (circle with a swash through it).
Any suggestions for another reboot / reinstall would be appreciated.

I think your hard drive is dead and it was failiing for some time.
Although it may be jst the cable that goes from the motherboard to the drive that has failed.
Do you have an external drive you can install the OS on?
Take it in to a Genius Bar and have it checked.

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WD 1TB external Hard Drive passport not available...

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My external hard drive is not working on my mac.

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Hard Drive is not spinning up making rhythmic click sounds

Hello,
My Hard Drive is not spinning up and making rhythmic click sounds. I charged it completely. Tried to reset it but this results only in the Folder-Icon with a support link. It can not be connected to my computer anymore via USB. It is not recognized as a external disk anymore. I tried the disk mode too. nothing helps.
As I can't connect it to my computer anymore I can't reformat it.
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Hello,
If a sad iPod icon or an exclamation point and folder icon appears on your iPod’s screen, or with sounds of clicking or HD whirring, it is usually the sign of a hard drive problem and you have the power to do something about it now. Your silver bullet of resolving your iPod issue – is to restore your iPod to factory settings.
http://docs.info.apple.com/article.html?artnum=60983
If you're having trouble, try these steps at different levels one at a time until the issue is resolved. These steps will often whip your iPod back into shape.
Make sure you do all the following “TRYs”
A. Try to wait 30 minutes while iPod is charging.
B. Try another FireWire or USB through Dock Connector cable.
C. Try another FireWire or USB port on your computer .
D. Try to disconnect all devices from your computer's FireWire and USB ports.
E. Try to download and install the latest version of iPod software and iTunes
http://www.apple.com/itunes/download/
For old and other versions of iPod updater for window you can get here
http://www.ipodwizard.net/showthread.php?t=7369
F. Try these five steps (known as the five Rs) and it would conquer most iPod issues.
http://www.apple.com/support/ipod/five_rs/
G. Try to put the iPod into Disk Mode if it fails to appear on the desktop
http://docs.info.apple.com/article.html?artnum=93651
If none of these steps address the issue, you may need to go to Intermediate level listed below in logical order. Check from the top of the lists to see if that is what keeping iPod from appearing on your computer in order for doing the Restore.
Intermediate Level
A. Try to connect your iPod with another computer with the iPod updater pre-installed.
B. Still can’t see your iPod, put it in Disk Mode and connect with a computer, instead of doing a Restore on iPod Updater. Go and format the iPod instead.
For Mac computer
1. Open the disk utility, hope your iPod appears there (left hand side), highlight it
2. Go to Tab “Partition”, click either “Delete” or “Partition”, if fails, skip this step and go to 3
3. Go to Tab “Erase” , choose Volume Format as “MAC OS Extended (Journaled), and click Erase, again if fails, skip it and go to 4
4. Same as step 3, but open the “Security Options....” and choose “Zero Out Data” before click Erase. It will take 1 to 2 hours to complete.
5. Eject your iPod and do a Reset
6. Open the iTunes 7 and click “Restore”
For Window computer
Go to folder “My Computer”
Hope you can see your iPod there and right click on the iPod
Choose “Format”. Ensure the settings are at “Default” and that “Quick Format” is not checked
Now select “Format”
Eject your iPod and do a Reset
Open the iTunes 7 and click “Restore”
In case you do not manage to do a “Format” on a window computer, try to use some 3rd party disk utility software, e.g.“HP USB Disk Storage Format Tool”.
http://discussions.apple.com/thread.jspa?threadID=501330&tstart=0
C. Windows users having trouble with their iPods should locate a Mac user. In many cases when an iPod won't show up on a PC that it will show up on the Mac. Then it can be restored. When the PC user returns to his computer the iPod will be recognized by the PC, reformatted for the PC, and usable again. By the way, it works in reverse too. A Mac user often can get his iPod back by connecting it to a PC and restoring it.
Tips
a. It does not matter whether the format is completed or not, the key is to erase (or partly) the corrupted firmware files on the Hard Drive of the iPod. After that, when the iPod re-connected with a computer, it will be recognized as an fresh external hard drive, it will show up on the iTunes 7.
b. It is not a difficult issue for a Mac user to find a window base computer, for a PC user, if they can’t find any Mac user, they can go to a nearest Apple Shop for a favor.
c. You may need to switch around the PC and Mac, try to do several attempts between “Format” and “Restore”
http://discussions.apple.com/thread.jspa?messageID=2364921&#2364921
Advance Level
A. Diagnostic mode solution
If you have tried trouble shooting your iPod to no avail after all the steps above, chances are your iPod has a hardware problem. The iPod's built-in Diagnostic Mode is a quick and easy way to determine if you have a "bad" iPod.
You need to restart your iPod before putting it into Diagnostic Mode. Check that your hold switch is off by sliding the switch away from the headphone jack. Toggle it on and off to be safe.
Press and hold the following combination of buttons simultaneously for approximately 10 seconds to reset the iPod.
iPod 1G to 3G: "Menu" and "Play/Pause"
iPod 4G+ (includes Photo, Nano, Video, and Mini): "Menu" and "Select"
The Apple logo will appear and you should feel the hard drive spinning up. Press and hold the following sequence of buttons:
iPod 1G to 3G: "REW", "FFW" and "Select"
iPod 4G+ (includes Photo, Nano, Video, and Mini): "Back" and "Select"
You will hear an audible chirp sound (3G models and higher) and the Apple logo should appear backwards. You are now in Diagnostic Mode. Navigate the list of tests using "REW" and "FFW". The scroll wheel will not function while in diagnostic mode. For further details on Diagnostic mode can be found at http://www.methodshop.com/mp3/ipodsupport/diagnosticmode/
Try to do the 5in1, HDD R/W and HDD scan tests. Some successful cases have been reported after the running the few tests under the Diagnostic mode. In case it does not work in your case, and the scan tests reports show some errors then it proves your iPod has a hardware problem and it needs a repairing service.
B. Format your iPod with a start disk
I have not tried this solution myself, I heard that there were few successful cases that the users managed to get their iPod (you must put your iPod in disk mode before connecting with a computer) mounted by the computer, which was booted by a system startup disk. For Mac, you can use the Disk Utility (on the Tiger OS system disk), for PC user, you can use the window OS system disk. Try to find a way to reformat your iPod, again it does not matter which format (FAT32, NTFS or HFS+) you choose, the key is to erase the corrupted system files on the iPod. Then eject your iPod and do a Reset to switch out from Disk Mode. Reboot your computer at the normal way, connect your iPod back with it, open the iPod updater, and hopefully your iPod will appear there for the Restore.
If none of these steps address the issue, your iPod may need to be repaired.
Consider setting up a mail-in repair for your iPod http://depot.info.apple.com/ipod/
Or visit your local Apple Retail Store http://www.apple.com/retail/
In case your iPod is no longer covered by the warranty and you want to find a second repairing company, you can try iPodResQ at your own risk
http://www.ipodresq.com/index.php
Just in case that you are at the following situation
Your iPod warranty is expired
You don’t want to pay any service charges
You are prepared to buy a new one
You can’t accept the re-sell value of your broken iPod
Rather than leave your iPod as paper-weight or throw it away.
You can try the following, but again, only do it as your last resort and at your own risk.
Warning !!!! – It may or may not manage to solve your problem, and with a risk that you may further damage your iPod, which end up as an expensive paper weight or you need to pay more higher repairing cost. Therefore, please re-consider again whether you want to try the next level
Last Resort Level
1. . Disconnecting the Hard Drive and battery inside the iPod – Warning !! Your iPod warranty will be waived once you open the iPod.
In Hong Kong there are some electronic shops offering an iPod service for Sad iPod, the first thing they do is to open up the iPod’s case and disconnecting the battery and the Hard Drive from the main board of the iPod. Wait for 5-10 minutes and reconnecting them back. The reason behind which I can think of is to do a fully reset of a processor of the iPod. In case you want do it itself and you believe that you are good on fixing the electronics devices and have experience to deal with small bits of electronic parts, then you can read the following of how to open the iPod case for battery and HDD replacement (with Quicktimes)
http://eshop.macsales.com/tech_center/index.cfm?page=Video/directory.html
2.Press the reset button on the Hard Drive inside the iPod – Suggestion from Kill8joy
http://discussions.apple.com/thread.jspa?messageID=2438774#2438774
Have I tried these myself? No, I am afraid to do it myself as I am squeamish about tinkering inside electronic devices, I have few experiences that either I broke the parts (which are normally tiny or fragile) or failed to put the parts back to the main case. Therefore, I agree with suggestion to have it fixed by a Pro.
2. Do a search on Google and some topics on this discussion forum about “Sad iPod”
Exclamation point and folder and nothing else
http://discussions.apple.com/thread.jspa?messageID=2831962#2831962
What should I do with my iPod? Send it or keep it?
http://discussions.apple.com/thread.jspa?threadID=469080&tstart=0
Strange error on iPod (probably death)
http://discussions.apple.com/thread.jspa?threadID=435160&start=0&tstart=0
Sad Face on iPod for no apparent reason
http://discussions.apple.com/thread.jspa?threadID=336342&start=0&tstart=0
Meeting the Sad iPod icon
http://askpang.typepad.com/relevanthistory/2004/11/meeting_thesad.html#comment-10519524
Sad faced iPod, but my computer won’t recognize it?
http://discussions.apple.com/thread.jspa?messageID=2236095#2236095
iPod Photo: unhappy icon + warranty question
http://discussions.apple.com/thread.jspa?messageID=2233746#2233746
4th Gen iPod Users - are we all having the same problem?
http://discussions.apple.com/message.jspa?messageID=2235623#2235623
Low Battery, and clicking sounds
http://discussions.apple.com/thread.jspa?messageID=2237714#2237714
Sad faced iPod, but my computer won’t recognize it
http://discussions.apple.com/thread.jspa?messageID=2242018#2242018
Sad iPod solution
http://discussions.apple.com/thread.jspa?threadID=412033&tstart=0
Re: try to restore ipod and it says "can't mount ipod"
http://discussions.apple.com/thread.jspa?threadID=443659&tstart=30
iPod making clicking noise and is frozen
http://discussions.apple.com/thread.jspa?messageID=2420150#2420150
I am not suggesting that you should follow as well, but just read them as your reference. You are the person to make the call.
Finally, I read a fair comments from dwb, regarding of slapping the back of the iPod multiple times
Quote “This has been discussed numerous times as a 'fix'. It does work, at least for a while. In fact I remember using the same basic trick to revive Seagate and Quantam drives back in the mid to late 1980's. Why these tiny hard drives go bad I don't know - could be the actuator gets stuck in place or misaligned. Could be the platter gets stuck or the motor gets stuck. 'Stiction' was a problem for drives back in the 80's. Unfortunately the fix can cause damage to the platter so we temporarily fix one problem by creating another. But I know of two instances where a little slap onto the table revived the iPods and they are still worked a year or more later.”UnQuote

My external hard drive will not mount

I unfortunately committed the cardinal sin and forgot to eject the hard drive instead I just unplugged it now it won't mount on my desktop I have a previous generation macbook pro and have tried it on windows on the macbook pro and windows on a pc no luck with any of them I am not to concerned about the data I just want to get the drive usable again.
Could anyone please help me out?

Chad: You'll need to use data recovery software to see how much of your data can be salvaged from the drive. Each of these DR utilities is available in a free downloadable demo version that will show you what the full version would be able to recover before you have to pay for anything:
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External Hard Drive does not work with Lion

Hi
My External Hard Drive does not work with Lion this message appears:
NTFS-3G could not mount /dev/disk1s1
at /Volumes/My Passport because the following problem occurred:
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Hi,
See this Discussion:
https://discussions.apple.com/thread/3191198?start=0&tstart=0
Cheers,

Hard Drive does not have enough space/error message

Hello: I am new to Mac but have been having trouble with my iMac for a while. I can no longer download my software updates. I have an error message that states "Your hard drive does not have enough space" - 5.7 GB is required.
I only have a 1 GB machine. What am I doing wrong?
When I go to my Macintosh HD icon on the desktop, it says at the bottom of that window that I have 495.9 MB available.
The error message tells me to go to the Startup file to delete items. I go there, but there's only two files. I do have music/photos/but I do not understand what's going on with my computer.
In addition, it turns itself off often, for no apparent reason. Any ideas?
Thanks!
J.Renee

The error refers to space on your hard drive, not memory. Unless you've mis-typed, if you have only 495.9 MBs free on your hard drive then you are definitely out of space. If you continue operating with so little free space you are risking a catastrophic loss of data.
To free up space you will either need to delete unneeded personal files or copy some of your bigger files off to an external hard drive then delete them from your internal drive. Alternatively you can replace the internal drive with a larger drive.
You should maintain no less than 15 GBs or 15% of the hard drive's capacity as free space whichever is greater.
If you meant to type 495.9 GBs then you may have a corrupted disk directory. Try the following:
Repairing the Hard Drive and Permissions
Boot from your OS X Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Installer menu (Utilities menu for Tiger and Leopard.) After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the installer. Now restart normally.
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My windows volume alias now shows only total drive size, not available?

Recently I wanted to take my FAT32 windows partition and convert it to NTFS. I also wanted to expand the space allocated to that partition. I didn't want to lose certain programs that I had on the windows drive.
Someone on these boards recommended a particular command line that is used to convert the FAT32 to NTFS. Then, from there I could use WinClone to clone the drive, expand it, and then put this image back on.
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Thanks.

Clayton Rhoades wrote:
Recently I wanted to take my FAT32 windows partition and convert it to NTFS. I also wanted to expand the space allocated to that partition. I didn't want to lose certain programs that I had on the windows drive.
Someone on these boards recommended a particular command line that is used to convert the FAT32 to NTFS.
I wonder how you did that. AFAIK, this is completely impossible from OS X and can only be done from windows. or do you mean a command line in windows?
Then, from there I could use WinClone to clone the drive, expand it, and then put this image back on.
That all worked fine but now on my Mac desktop, I see the icon/alias for my mac drive and the windows drive. But windows shows only the total allocated hard drive space, not the available space. Is there a way I can have this show available like it used to do?
AFAIK, OS X always showed just total capacity for bootcamp partition formatted NTFS when you view it on the desktop. I don't know why that is but I've never seen it different. just a hunch but maybe if you make the NTFS partition writable by using NTFS-3g or NTFS for Mac by Paragon it will show used space too. I suspect Finder might be reading that info from some metadata it stores on the drive itself.
Thanks.

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1. You can change security with cacls function. However if you do it in wrong way, you can cut the branch you are sitting on:
http://technet.microsoft.com/en-us/library/bb490872.aspx
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Those are preferences you speify from INSIDE The Finder:
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my external hard drive is not recognised on my mac book pro

Hello all -
similar situation. Unplugged external hard drive and all to take the laptop on a trip. On return, I plugged everything back in and keep getting this message:
Time Machine couldn’t complete the backup to “Iomega_Ext_Drive”.
Files can’t be copied onto the backup disk because it appears to be read-only.
You may need to repair or reformat the disk using Disk Utility. If the disk can’t be repaired, you must use a different disk for backups. Open Time Machine preferences to select a different backup disk.
open time machine preferences. -
I tried this and tried "repair" but that didn't work and I still get this message. Any advice? thanks

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My external hard drive is not recognized by my computer. I used it earlier and it was fine however my computer froze and I unplugged my hard drive without properly ejecting it. Now when I plug it in nothing pops up. I've tried on three different computers and no luck. I hope this is fixable! Please help.

Care to share which OS you are using?
Repair permissions & restart your computer.
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