Hard drive not reading on PC

My Powerbook died but the Hard Drive is still working. I connected it to a PC and it does not showing up as one of the drives. I went to Disk Management and the hard drive was there but it was saying that it was "Unallocated". Is there something I can do in order to see the files on there? I need to try to get some of the files from there now. I only have a PC right now to work on until I get a new MacBook Pro.

thanks for the update, here's some more info:
http://www.thexlab.com/faqs/sharefwdrive.html
http://docs.info.apple.com/article.html?artnum=75320
it's quite easy to share files with the PCs over the network services, but if connected directly, PCs won't see the data on the Mac-formatted drives, only the physical drive will show up

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Hard drive not reading any disc

I am trying to insert software into my hp touchsmart IQ526 and it wont read any disc i put in

For the purpose of troubleshooting, can the DVD/CD drive read a commercial DVD or a music CD? If no, then probably the drive has failed. From the page illustrating the DVD/CD drive, it appears to be a "laptop" style drive. Harder to change out, but not impossible. If that task is beyond your skillset, try an external drive that connects via USB.
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External Hard drive not reading after 10.3.9 update

Hi there and thank you for this forum. I am wondering if anyone can help me through this maze of confusion...I have just recently upgraded from 10.3.5 to 10.3.9 and now I cannot access my external Fantom Drive. Both of the USB ports can read other devices, and also I can still read the Fantom from a PC, but when I plug it into my ibook, I get nothing.
Can anyone recommend anything? Can I reinstall the original 10.3.5 software and be done with updates? The Fantom is not supposed to be affected by the 10.3.9 system, so I don't know what happened, but I can tell you that the only 2 times I have updated this mac, I have had serious problems! I won't be updating anymore!!!
Thanks mates...

You're welcome.....and thanks for acknowledging me in your post....
I'm sure you would have thought of this workaround sooner or later....After 2 reinstalls of OSX this was my last resort.

Hard drive not recognized during windows server 2008 setup

hard drive not recognized during windows server 2008 setup

Hi,
Whether the hard disk is recognized in BIOS?
Connect it to another computer to see if it could be recognzied incase the cause is the disk itself. Also please check if it is really a RAID instead of a single hard disk - a single disk should be recognized directly while RAID cannot be recognized until
a suitable driver is installed.
Please remember to mark the replies as answers if they help and un-mark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]

2 external hard drives not recognize by system all of a sudden

I have 2 external hard drives, one was used as a backup with Time Machine, the other was all my music storage, including Logic Pro and Ableton files.
This afernoon I was working on my Macbook pro with no problems, system backed up a few times. I was working on a new project in Logic. I saved the file, disconnected hard drive, went to my 2nd computer, an Imac from late 2009, plug the hard drive in, system does not recognize it. I wait a few minutes then unplug the drive, upon doing that I get a message that I've never seen before:
"Because a USB device was drawing too much power from your computer, one or more of your USB devices has been disabled.
To prevent damaging your computer, the USB device drawing too much power has been disabled. Other devices may have also been disabled. When you disconnect the device drawing too much power, your other USB devices will be enabled again."
It's been a few hours, I've disconnected all the devices, I think I figured that one of the drives is faulty. My question is, why is the other hard drive not being recognized, it's not recognized on any of my 3 computers, 2 Macbook Pro's and one imac.
Any help would be greatly appreciated as this is extremely frustrating.

Try this:
Intel-based Macs: Resetting the System Management Controller (SMC)
If it doesn't help, make a "Genius" appointment at an Apple Store to have the machine tested.

My external hard drive is read only

Hey guys,
I'm just transferring stuff from a windows pc and i had all my music on my external hard drive. Well i set my default iTunes folder back to my external on my new mac but my hard drive is read only so it won't let me download anything after i buy it. How can i change it from read only?
Thanks

If the external drive is formatted NTFS, OSX can read but not write to it.
MacFUSE is supposed to add NTFS write support to OSX
<http://julipedia.blogspot.com/2007/03/ntfs-readwrite-support-for-mac-os-x.html> , but it may be safer to copy the data from the drive, the re-format it to Mac Extended (or FAT32 if you still want to use in on Windows). Re-formatting will erase the disk, so save the data first.

What are the symptons of macbook pro hard drive not running fast enough

what are the symptons of the hard drive not running fast enough

Physically the drive will be as fast as any other of its class, and if not then it's experiencing a mechanical issue that should prompt a warning or two in the system, especially if you use a drive management tool like Disk Utility that checks the drive's built-in "S.M.A.R.T." diagnostics.
As for "logical speed," if there are bad blocks on the drive where sectors cannot be read or written to because of a breakdown of the storage medium, then this can result in a program or the entire system crashing or hanging (generally the latter is the case), where it usually pauses for a number of seconds at a time. This is usually accompanied by messages that state "I/O Error" or other similar warning in the OS X Console (in the Applications > Utilities folder).
Beyond this, drive formatting errors such as might happen after a crash or power outage can result in similar hang-like behavior, though this is usually not as distinct of a hanging behavior as is seen with bad blocks.
Finally, if the drive is simply full of files or highly fragmented (not as much of a problem in OS X, but it can happen), then this can reduce access time for reading and writing files, and prevent the system from optimizing the use of RAM, which can result in overall slowdowns. Heavy drive use can also cause similar bottlenecks, but this is ususally only an intermittent issue during a time when you are performing a heavy file transfer or copying process, or other task that occupies access to the drive's index and formatting (e.g., if you check it for errors with Disk Utility, then you may see the system pause or slow down during the check).

Advanced Format Hard Drive not recognized by HP DV6000 Controller

Hello,
I have an HP DV 6000 laptop (6276 I think, I'm at work can't check) that came preinstalled with a Western Digital 160gb 1.5gb/s 5400 RPM drive (Vista) that failed a couple of weeks ago. So i bought a Western Digital 750 GB WD Black SATA III 7200 RPM 16 MB drive to replace it. I read about people having some problems with Advanced Drive Format hard drives not being recognized by their controller, but also read that depending on the controller and specific Dv6000 model laptop they had-one wouldn't run into problems.
Well sure enough, when attempting to install Windows 7 I received the error that the hard drive was not detected. After researching online I came across an article on WD's site that noted
"Our SATA II hard drives use autospeed negotiation. This enables our SATA II drives to automatically detect the motherboard data transfer rate, making it backward compatible with SATA I data transfer rates. However, some older SATA I controllers are unable to support autospeed negotiation and cannot recognize the drive. This “drive not detected” condition occurs when a chipset is incapable of correctly negotiating the data transfer speed with a SATA II hard drive."
my drive is a SATA ||| but I'm pretty sure it's the same problem. The site goes on to say a fix would be to "purchase and install a third party PCI or PCI-Express Second Generation Serial ATA controller card for your Serial ATA hard drive(s)."
My question(s) are.
1)Is the problem that I am trying to install a Sata ||| hard drive on a laptop with a controller that will only recognize SATA | hard drive?
2) Or is the problem that the hard drive is an Advanced Drive Formatted hard drive and I need to buy a hard drive with out that specification?
3) Or Should I buy a SATA controller card as WD suggests on their website and if so will this definitely allow my laptop's controller to recognize the new hard drive and proceed with the installation?
4)Or Should I just return the hard drive and buy a SATA | non Advanced Drive Format hard drive? (question 2 basically)
Thanks for your help!

Hi @jasmine00
Welcome to the HP Support Forums.
I certainly understand your issue with the drive upgrade. Unfortunately it is a bit of the nature of notebooks, the sacrifice of a large amount of upgradeability, in exchange for compactness and portability. Whenever a new technology comes out, older notebooks are never really going to be easy to upgrade, it at all. Normally the unit as a whole is tested with a set list of hardware, and only those items are supported.
That being said there is this document that could be helpful with your problem.
Preparing Advanced Format hard drives for Microsoft Windows installations on HP Business Notebook PC...
And for your reference:
HP Pavilion dv6000 Notebook PC Maintenance and Service Guide
Malygris1
I work on behalf of HP
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Hard Drives Not Mounting - Help!

Hello,
This is my first post, so please forgive me if I leave anything out....
I recently had to replace my hard drive. Got it all going, then I noticed when I went to put a music CD in, that it would not show up. I tried others with no luck....then I put in a cd with data, and it showed up on the desktop....
While trying to mess around, I made my 2 LaCie external hard drives go away! I have tried checking cables, and they come on when the computer does, they don't show up in system profiler....
Please let me know what information you might need to help me diagnose these problems....my computer has been so good to me, I want it back up and running...
Powerbook G4 Ti 667 MHz Mac OS X (10.3.9) 512 Ram

Hi, mcholley, and welcome to Apple Discussions.
I can't suggest any remedy for your optical drive not reading audio CDs but having no trouble with data CDs, except to say it's apparently a software problem, not hardware-based.
After replacing your hard drive, did you reinstall your operating system from scratch on it, or did you restore your OS from a backup you had made?
The disappearance of your external drives (are they USB or FireWire?) may be power-related. Are they externally powered, or are you powering them from the USB or FireWire bus? If they're bus-powered, are you connecting both of them at once? That won't work: together they demand more power from the bus than it can supply, and while they may spin, they won't mount. Connect only one of them at a time. Is either of them detected by Apple System Profiler when just one is connected to the Powerbook? Does it mount on the desktop then?
If you've been able to connect both drives to the Powerbook at the same time in the past, and both have mounted OK, then there's been some hardware change recently, other than your hard drive replacement, that has caused the loss of external drive detection. Is it possible that during your recent operations you've turned off one or both of the external drives, or disconnected it/them from the Powerbook, without dismounting it from the desktop first? Depending on what, if anything, the drive was doing at the time, that can make a FireWire drive unmountable and all the data on it inaccessible. In that case it may be necessary to erase and reformat the drive. I don't know whether the same is true of USB drives.
Do you have another Mac to which you can connect the drives, to see whether they show up on it? If they do, you might have to consider the possibility that the port(s) to which you've been connecting them on your Powerbook is bad.

I have received an error message from an attached USB hard drive (not Time Capsule) stating "Disk Name" cannot be repaired. Back up your data and reformat. I opened the Disk Utility in an attempt to repair the disk but am advised that the disk "could not

I have received an error message relating to an attached USB hard drive (not a back up and not Time Capsule) advising that "disk name" cannot be repaired. Back up your data and reformat. When I attempted to verify the disk with Disk Utility, I was advised that the disk could not be unmounted. What can I do to repair the disk?
Write Status is Read/Write
SMART Status is Not Supported
Partition Map Scheme is Master Boot Record
HELP!
timothy7712

You need something stronger, such as DiskWarrior, TechTools Pro, or Data Rescue.

I am planning on using my time capsule as a network and essentially an external hard drive - not just back up, is this ok?

I am planning on using my time capsule as a network and essentially an external hard drive - not just back up, is this ok?

Most users should use the Time Capsule for backups. This assumes that "original" copies of your data are on the computer and backups of this data are stored on the Time Capsule.
If either the Time Capsule or the hard drive on your computer fails, there are at least copies of your important data on the other drive.
If you are asking if you can place "original" files on the Time Capsule, do you have a plan to backup those files?
If the Time Capsule drive has a problem....and your only copy of your important data is on the Time Capsule....you will lose everything.
If you are asking if this is OK, the answer for most folks would be "no".
Can you clarify if this is what you are asking?

My external hard drive not showing up

Hello,
My external hard drive is not showing up on my desktop. I went to finder & preferences>general and made sure I checked "show these items" and checked hard drives. I even unchecked it because I have 2 other external hard drives. When I checked the hard drive box the other 2 hard drives appeared but the third hard drive did not. The hard drive not showing up on my desk top does show up when I double click my system hard drive & can be opened from there, but I want to see it on my desk top. Any help would be appreciated.
Thanks

This procedure is a diagnostic test. It makes no changes to your data.
Please triple-click anywhere in the line below on this page to select it:
ls -@Oaen /V* | pbcopy
Copy the selected text to the Clipboard by pressing the key combination command-C.
Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window by pressing the key combination command-V. I've tested these instructions only with the Safari web browser. If you use another browser, you may have to press the return key after pasting.
Wait for a new line ending in a dollar sign ($) to appear below what you entered.
The output of the command will be automatically copied to the Clipboard. If the command produced no output, the Clipboard will be empty. Paste into a reply to this message.
The Terminal window doesn't show the output. Please don't copy anything from there.
If any personal information appears in the output, anonymize before posting, but don’t remove the context.

External Hard Drive Becomes Read Only

I have a LaCie Hard Drive that Time Machine has been backing up to for about 4 days now. All of a sudden, the external hard drive is read only. When I go into Get Info for the hard drive, I can't even change the read/write permissions - it's all grayed out. This is the second time it's happened. The first time was on a Western Digital MyBook. TM fried that drive. At least this drive hasn't disappeared like the last time.
I've now changed the Time Machine backup to my second hard drive on my Mac Pro (which is screaming along, as opposed to the FW800 [!!] backup on my La Cie, whose file transfers are slo-o-o-w).
The idea behind backing up onto the external was so that if I ever needed to leave during a fire or earthquake, I could bring this with me and not worry if my computer was destroyed. Insurance would replace the computer, and I could replace my system.
If it weren't formatted properly, it wouldn't have been backing up for the last few days.
Can anyone help?
Message was edited by: Theresa Mesa

Thank you to everyone who has posted about this issue -- it just happened to me AGAIN this morning (this is my 3rd time), after I installed the 10.5.2 update. The first two times were right after I hooked up my external Iomega 500GB drive to use with Time Machine and I thought it was something I was doing. Then it seemed to work fine for a couple months so I thought the problem was over. Guess not! It is frustrating because I just lost about 2 months worth of backups. So finally I searched Apple's discussion forums and saw that I am not alone. However, no one was really posting a solution other than to say "reformat the drive".
So I did a Google search about this topic and encountered the following article. I have just gone through the steps he outlines and although I won't know for awhile if it works, I figure at this point it can't hurt to try. I hope this proves useful to others as well. (One note -- in his article, he says to skip the Erase tab and go right to the Partition tab. If you don't see the Partition tab, first erase your corrupt Time Machine backup disk and then follow his steps.)
http://gizmodo.com/gadgets/apple/leopard-disk-utility-format-issue-screws-with-t ime-machine-but-theres-an-easy-fix-316573.php
Cheers ~
Message was edited by: sneebish

Hard Drive not being detected

So my work was giving away old Power Mac G5. They were old and were restored to factory defaults. I wanted to mainly use it for storage. I went out to the store and bought a 1TB hard drive. When I installed it, I got a message saying that the OS couldn't read the hard drive. I figured it was because it wasn't in the correct file format. I went to my disk utility to try format in the Mac OS Extended format. After the two hour format process, I restarted the computer from some other software I was installing. Upon restart, the new terabyte drive wasn't detected. Here is a copy of the Disk Utility log from when I first turned on the system with the hard drive being recognized till when I restarted the system.
2015-01-02 19:45:42 -0800: Disk Utility started.
2015-01-02 19:46:22 -0800: Preparing to securely remove data from disk : “WD Terrabyte”
2015-01-02 19:46:22 -0800: 7 Pass Secure Erase
2015-01-02 19:50:16 -0800: Secure Erase skipped after 2 minutes.
0.3% complete.
2015-01-02 19:50:16 -0800: Preparing to erase : “WD Terrabyte”
2015-01-02 19:50:16 -0800: Partition Scheme: Apple Partition Map
2015-01-02 19:50:16 -0800: 1 volume will be created
2015-01-02 19:50:16 -0800: Name       : “WD Terrabyte”
2015-01-02 19:50:16 -0800: Size       : 931.5 GB
2015-01-02 19:50:16 -0800: Filesystem : Mac OS Extended (Journaled)
2015-01-02 19:50:16 -0800: Creating partition map.
2015-01-02 19:50:18 -0800: Formatting disk1s3 as Mac OS Extended (Journaled) with name WD Terrabyte.
2015-01-02 19:50:22 -0800: Erase complete.
2015-01-02 19:50:22 -0800:
2015-01-02 19:51:06 -0800: Preparing to zero disk : “WD Terrabyte”
2015-01-02 19:51:06 -0800: Passes     : 0
2015-01-02 22:25:55 -0800: Secure Erase completed successfully in 2 hours.
2015-01-02 22:25:55 -0800: Preparing to erase : “WD Terrabyte”
2015-01-02 22:25:55 -0800: Partition Scheme: Apple Partition Map
2015-01-02 22:25:55 -0800: 1 volume will be created
2015-01-02 22:25:55 -0800: Name       : “WD Terrabyte”
2015-01-02 22:25:55 -0800: Size       : 931.5 GB
2015-01-02 22:25:55 -0800: Filesystem : Mac OS Extended (Journaled)
2015-01-02 22:25:55 -0800: Creating partition map.
2015-01-02 22:25:59 -0800: Formatting disk1s3 as Mac OS Extended (Journaled) with name WD Terrabyte.
2015-01-02 22:26:03 -0800: Erase complete.
2015-01-02 22:26:03 -0800:
As of right now, the system does not recognize the hard drive. I know the connection is good because I have another hard drive that reads just fine. I don't have another place to test the hard drive because I only have an iMac. Can anyone help with this or provide any pointers?? Currently running Mac OS X 10.5.8 Dual 2 GHz Power PC G5.

So I actually seemed to have solved this, to a degree. From what I could read through other help forums, there seems to be a limit on the transfer rate between the system and the hard drive. The OS has a cap of 150 megs/sec, but the hard drive operates faster than that. In order to fix this, you have to put a jumper on pins 5 and 6 on the back of the drive. This was slightly annoying because the hard drive does not come with jumper connectors. I had to find a jumper from another hard drive, and even then, it didn't fit exactly and had to use some strength to get it on.
While it does seem to be operating without any issue now, I still don't understand why it was able to read and detect the hard drive prior to formating.

Why is my External Hard Drive not showing in Aperture 3.6 Import?

Why is my External Hard Drive not showing in Aperture 3.6 Import?
Only my computer hard drive is and I want to import from an external drive. I have always been able to until I updated to Aperture 3.6 and Yosemite.

Only my computer hard drive is and I want to import from an external drive. I have always been able to until I updated to Aperture 3.6 and Yosemite.
I had the same problem. On the folders on the drive with the Aperture library did show in the Import panel. After I clicked the computer icon in the upper left corner of the Import panel, suddenly all drives appeared.
You can also try to drag the folder you want to import into the Import panel, to point the file chooser to the drive.

Hard drive not reading on PC

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