Intel Mac :: External 3TB Drive Showing Up As 801.57GB
Jun 21, 2012
My new 3TB Western Digital external drive (connect to my iMac using a USB connected BlacX dock) only shows up as 801.57 GB on the Mac (running latest version of Snow Leopard).
What I know -
- It is not the BlacX dock - that supports 3TB and higher
- It is not the drive - I returned one just in case, Disk Utility says its OK, WD techs say it should work and that it is a Mac issue of some sort
- No matter what I do with regard to partitioning in Disk Utility it will only give me 801.57GB. In fact Disk Utility shows the drive as an 801.57 GB drive in the left hand pane.
Info:
iMac, Mac OS X (10.6.8)
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Apr 4, 2012
It no longer shows up in the list like the other one in the double enclosure does. I can see it with DU but cannot verify or repair b/c choices are grayed out. Smart says it is read only. How do I get data off of it, as it seems to be on its last leg?
Info:iMac, Mac OS X (10.6.6), 2.4 late 2008
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Aug 22, 2009
I have a Western Digital external hard drive. I just noticed that the icon was not showing up on my desktop. This could have been the case for awhile, I don't use it that often just as storage. I have restarted, unplugged and replugged many ways. I can hear it running and the light is on. It does not show up in the system profiler, I have reset the PRAM. I have not as of yet got new cables to try as this was discovered last night. Is there anything else I can try until I get new cables? Or what does this sound like to you. Also, what are the chances that the information on my drive is gone? This is the only copy I have for some work that I do.
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Mar 12, 2010
We have a 320gb external hard drive formatted in FAT32 so both the macbook and our windows computer could use the drive. We copied 5 gigs of music to the hard drive to view on the Windows computer. The computer recognizes the drive and shows that 5 gigs are being used but I cant see any of the files.
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Mar 20, 2009
I have a Toshiba 160 GB USB external HDD (no power supply required) that I use simply as a backup for some Windows programs when I am using my virtual machine. It required a double USB cable and its icon showed on both the Windows and iMAC screen until a day or so ago. It is a functioning unit when I put it on a separate PC. I have not been able to correct the problem and in viewing some of the forum items I keep seeing suggestions to view the 'System Preferences --> general' - I do not see a 'general' nor any reference in the 'apple' that refers to hard drives (external or internal).
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Apr 18, 2009
A bit of a PITA to get the external HD to show as an AirDisk. (AEBS)
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Sep 23, 2009
Recently I just converted my old PC's 250gb Hard drive into an external drive. In the beginning everything worked fine. Though I could only read the files from it on my mac, I was fine with that because there was so much old music and pictures that I wanted to get off of it. There happened to be one particular picture that I couldn't find searching through the HDD with my mac, so I thought maybe I would be able to find if I looked for it through a windows system.
So I then plugged the external into my Windows laptop. After failing to find the picture on the PC, I plugged the hard drive back into my mac, but for some reason it's not showing the files. The hard drive is being found, but when i click on them in the finder no files show! The drive is not erased because the capacity and amount free is still the same. And to put the icing on the cake when I plugged the drive back into my PC a message comes up that says "The request could not be performed because of an I/O device error".
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Nov 1, 2009
i just bought an external hard drive enclosure for a new hard drive but it doesn't show up when i plug it into my macbook. the enclosure lights up with a blue status light when i plug in the USB but it never shows in disk utility and finder. leopard is installed on the external hard drive (im trying to clone my macbook's hd). i'm thinking its the enclosure but are there any steps i can take to ensure i'm doing everything correctly? the external hard drive is working, it was installed in my macbook yesterday but i took it out because time machine restoring fails also, i plugged the external into my time capsule. the blue status light turns on meaning its plugged in but i only see my time capsule in the network
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Mar 2, 2012
I've just brought a new external Hard drive for my mac book pro and when I put the usb cable into the laptop nothing showed up on the desktop. I waited a few minutes but nothing happen and then I turned off the computer and did it again.
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Mar 28, 2012
I have an external hard drive (2T Newertech ministack). We had a power outage the other day. Even though the drive is on it no longer appears on the desktop. I went to Disk Utility and see if it could be repaired but the drive is not even showing up there. Does this mean the ministack was fried by the outage or is there another way I can save it? And yes, the finder preferences are on for external drives to show up on desktop.
Info:
Mac mini, Mac OS X (10.6.8)
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May 1, 2012
i have an external hard drive and when i plug that into the usb port, it does NOT show up as an icon on desktop.
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May 7, 2012
My external time machine drive will not show on my imac, the disk cant be found when trying to do a backup, it is plugged in and connected can be viewed in disk utility and system profile but will not show up anywhere else, its usually visible on the desktop, ive unplugged it , turned it off and on , powered down my imac and tried viewing it in other accounts all to no avail also it cant be seen using terminal, ive used disk utility to repair and it says the drive is fine, how do i get it back to show up.
Info:iMac, Mac OS X (10.7.3)
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Mar 31, 2010
I ran software update this evening and installed all of the available software, including the OS update. When I logged back in after restarting, my encrypted home folder is showing similarly as an external hard drive.
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Jul 18, 2010
I have a 1TB external LaCie hard drive. Presently, it is loaded with about 300GBs of space so I should have around 650GBs left. However, it is only showing about 240GBs left. I think the problem is that I used to use this hard drive for Time Machine backups, I deleted them via the recycle bin. I checked the recycle bin, nothing there. I verified the disk, everything ok, I repaired it as well. I even erased the empty space.
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Feb 29, 2012
My external WD 320GB hard drive wont show up on Finder when I connect it up. Ive been having this problem ever since I pulled it out without ejecting it - I know thats bad but my macbook froze and I had no choice.Â
Now my external hard drive wont show up on Finder, I even tried disk utility and I was able to verify the disk & then repair it, but its like I cant use the hard drive anymore. Every time I try to add files to it or remove files my laptop freezes and I cant do anything.Â
Its got to the point where all I want to do now is get all my files off this external hard drive somewhow, Is there a way to get my files off this hard drive before its too late if isnt already so.Â
Info:
MacBook (13-inch Aluminum Late 2008)
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Jun 30, 2014
My blue 1TB external WD Passport Drive (whose name is Ralph and who holds all kinds of precious things that I love and can't lose) isn't showing up on my Finder screen. Whenever I connect him, his light turns up and blinks as usual, but I can't access anything on him. I don't even get an error message when I disconnect him without ejecting. I've tried using different USB ports and different cables, but it's not working. I've also tried connecting him to different computers (3 different macs and 1 Windows 8 PC), but NOTHING.Â
I've been trying everything the past few days to get him to work. He shows up on Disk Utility occasionally. I've tried verifying and repairing him through Disk Utility, but it says that the verification could not be completed, or that it can't repair him. It tells me to back up as many files as I can and then restore him, but I can't access the files to back them up in the first place. Also, the partition name seems to have changed to 'disk1s3', which appears greyed out on the Disk Utility screen.Â
In regards to mount point, it says that the disk isn't mounted. I tried mounting it by right-clicking it on Disk Utility, but the mount failed. I tried restoring him onto another 1TB WD drive (Oscar), but that failed too.
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Aug 20, 2014
I have a Hitachi Touro USB 3.0 1TB external hard drive that has always worked on my Macbook. Formatted in FAT so it would work on both my PC and Mac. I can't remember exactly when it stopped working, but I think I had to reset my mac once as it stopped responding and the HDD was plugged in. After that it stopped showing up in Finder, but still appears in Disk Utility. It also shows up in Storage under "About This Mac". Â I've tried resetting my computer, ran Apple Hardware Test, and have tested the hard drive on other computers and it works fine. Just doesn't show up in Finder on my mac!!
Info:
MacBook Pro with Retina display, OS X Mountain Lion (10.8.5), 13" Late 2012 model
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Dec 1, 2008
I have an external drive that's not showing me all sizes when selected in the list view options.
Anyone know why this is happening?
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Aug 28, 2014
So a couple of days ago it was fine and today it does not show up in finder, or utility diskÂ
I am about to upgrade to Mavericks now
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May 23, 2012
My iMac is suddenly showing error code 0x80020025 (disc drive not supported) when I insert a blank cd. I've burned to this type/brand of cd-r in the past and have never had an issue. How do I fix it?
Info:
iMac, Mac OS X (10.7.2)
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Mar 8, 2012
My internal 1TB hard drive on my iMac is dead and I don't have the money to replace it at the moment. I have everything backed up on an external 1TB drive using Time Machine. As a workaround for the time being,Is there any way I can install the system on the external drive and use that as the boot drive without erasing the Time Machine Backups? It seems to me I would have to have two partitions for the external drive, one for the system, and one for Time Machine. But is there any way to add a partition without erasing the existing one with Time Machine only on it? Â
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Jul 5, 2012
I was using Mail I have set up my email again, so I don't want to lose anything currently in my inbox, but want to retrieve old messages and addresses. Running 10.6.8 OS.
Info:
iMac (27-inch Late 2009), Mac OS X (10.6.8)
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May 29, 2012
OS X 10.4.3 IMAC Intel Core Duo. I backed up my HD on an external drive so I could upgrade to Snow Leopard. I wanted to test that I could boot from the external drive and selected it as my start up drive. When I did a restart I got the Apple and the turning gear and then suddenly a black screen with this on it:
"May 28 22:23:11 Launched:com.apple.nibindd:respawning too quickly throttling, exited system abnormally bad system call too many failures in succession I have no name!"
I tried several dozen times with no luck. I think when I made the copy of my HD on the external HD I may have neglected to make it "bootable" (moving too quickly). My internal CDROM is busted so I use an external CDROM. I can't boot from it at all with the proper start up buttons pushed. It keeps trying to boot from the external drive. If I turn the external drive off and try to boot from the external CD I just get the grey file with the ? in the middle of it.
I tried using another external HD I have with OS 10.4 on it, but it won't recognize it either with fan, alt, shift, delete pressed at start up. My internal drive (a Seagate 2 tarabite drive) works great, but how do I reset it as the start up drive when I'm stuck with this black screen. One more thing, when I try to reset PRAM I don't get a second gong.
Info:
iMac Intel Core Duo 2GHz 17", 2006 model
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Mar 15, 2012
Currently I'm upgrading from Leopard to Lion (via Snow Leopard) on both an iMac and MacBook Pro (both Intel), but before I proceed with the OSX upgrade I wanted to back everything up. Thus far I have partitioned an external firewire drive (G Drive - one that is bootable), and cloned each machine using Carbon Copy Cloner to it's own partition (both GUID). There is plenty of space left over on each partition, and is Mac OS Extended (Journaled).Â
The issue - I can boot the OS X from the external drive on the MacBook Pro but not on the iMac.
When I restart and hold down Option on the iMac the only drive that appears is the HDD, not the other two drives that are visible if I boot up on the MacBook Pro. On the iMac in System Prefs > Startup Disc I can see all 3 drives but when I select it and restart, the machine freezes on the grey loading screen and goes no further.Â
Not that it should make a difference, but there is a 3rd partition on the external drive that is currently empty (for extra storage).Â
Info:
iMac, Mac OS X (10.5.8)
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Mar 24, 2012
I have a WD external drive that was set up as my time machine backup disc with Leopard. I want to erase the disc, but when I try to erase it using disc utility, it tells me "Disk Erase failed with the error: Unable to write to the last block of the device".
Info:
iMac, Related to an external drive
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Mar 24, 2012
How do I back-up an iMac using an external G-Drive?
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Mar 24, 2012
Disk first aid sees the drive but the "mount " button is dim. I am connected by a usb cable. I am using Lion 10.7.3.Â
I had been using the drive connected to an airport extreme. That configuration failed its connection to my imac. The drive is now connected now directly to the computer. .
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.3), airport extreme
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May 14, 2012
With new HD installed I am having trouble restarting from my external drive to copy data to my iMac.
After selecting external in sys prefs the restart goes only as far as white screen with apple logo.
My new HD is 500 G, OS X 10.7.4. The external is a WD 250 G using SuperDuper, OS X 10.6.8.Â
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May 24, 2012
External drive does not appear on desktop?
Info:
iMac, Mac OS X (10.7.4)
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Jun 12, 2012
I think that my internal hard drive crashed, my imac is 5 years old. Can I use an external hard drive for my computer? If so, what kind should I get (brand, memory size, connection - firewire, etc.)?
Info:
iMac, Mac OS X (10.6.8)
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