A hard drive designed to be connected to a computer via an external interface such as USB, eSATA, Thunderbolt, or IEEE 1394.

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How can I write to Journaled HFS+ from NTFS?

I have an external (USB) drive that I’m fairly sure is NTFS formatted. I would like to copy the files off of it, reformat it for Mac, and then put the files back on it. I am aware that you can’t ...
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234 views

External Hard Drive Can't access Ubuntu 14.04

I can't access external hard drive connected via usb on my laptop. OS is ubuntu 14.04. dmesg | tail -n 20 outputs is below. [ 153.014931] sd 7:0:0:0: [sdc] Mode Sense: 00 00 00 00 [ 153.014986] sd ...
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2answers
50 views

Is it 'bad' to read of a drive while writing onto it? Can you read and write 'simultaneously'?

I had a client recently who thought I'd be copying data and try read of the same drive at the same time - and according to him it's something you can't do because you'd damage the data/hard-drive. I ...
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1answer
421 views

Format a hard drive to work with Windows

I have a external hard drive formatted to Mac OS (journaled). I no longer have a Mac, so I would like to format the hard drive to exFat or fat32 from my Windows computer. My computer detects the ...
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1answer
52 views

How do I set up a WD MyBook 1TB disk as a USB drive on Debian Linux “Lenny”?

I have a WD MyBook 1TB drive that I would like to use for full cron backups (TAR?) on a Debian Linux ("Lenny") server. Is this possible? I don't care about losing the MyBook software if a reformat ...
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1answer
280 views

USB 3.0 hard drive in usb 3 port only recognized as usb 2 and detected only when connected to usb2

I have a WD MY Passport ultra 4TB usb 3.0 external hard drive. It does not function when I connect it to an usb 3.0 port, only usb 2.0 recognises the device. How do I resolve this issue?
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1answer
28 views

How to create a (second) virtual USB drive on a external harddrive

I want to be able to have two USB Drives displayed when I plug my hard drive in, one obviously is the harddrive, the other one should be a virtual drive. On the long run I want to be able to create a ...
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1answer
244 views

Seagate external hard disk cannot format and can not show in computer

I formatted my seagate external hard disk with NTFS using Ubuntu Disk Utility. After that it is bricked, and now I cannot see it as a hard disk in mac /ubuntu /windows, the device can be detected by ...
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4answers
137 views

WD Elements portable hard drive does not work with Gateway MX6454 laptop running x86 Windows 7

I have a Gateway MX6454 laptop purchased in 2006. It is running Windows 7 Ultimate x86. I purchased a WD Elements external hard drive model wdbuzg5000abk. It is supposed to be compatible with USB 2.0. ...
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175 views

Global keyboard shortcut to eject external hard drive on Mac OSX Yosemite?

I tried the Automator approach as described in Global keyboard shortcut to eject external hard drive on Mac OSX Lion? - but on 10.10. this gives me no result. In Finder, there's only an error sound, ...
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1answer
393 views

How do I access my external hard drive from my new computer with a new user account?

I have a new computer (iMac with Mac OS X 10.9.5 Mavericks) and a new user account. When I connect to my external hard drive—which I had used to back up my old computer—but the folders have a little ...
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2answers
360 views

“Hacking” Into my own 500 GB Seagate External Hard-drive

Throughout college—and dating back before high school—I had been backing up important information/application etc… on an external 500 GB Seagate Hard Drive. I was anxious about losing the contents of ...
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1answer
55 views

External Hard disk not showing in window 8.1

I have a window 8.1 and i try to install Ubuntu on window 8.1 that may be overwrite my hard disk data .and now hard disk doesn't show any data .when i connect hard drive externally on other laptop ...
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1answer
351 views

USB hard drive not mounting or being detected by Disk Utility in Mac OS X

I have an external USB hard drive; I plug it into my Mac, and I can clearly hear it turn on and start doing some work, but it isn’t mounted in Finder, nor is it detected by Disk Utility. It used to be ...
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371 views

3TB seagate external hard drive not working after upgrade to windows 8.1

i have a 3TB Seagate external Hard drive that worked perfectly with windows 8, as soon as I upgraded to Windows 8.1 the hard drive was no longer recognized. There is power to the hard drive, it shows ...
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1answer
59 views

Time Machine does not backup all content?

I had to move from a Macbook Pro to a Macbook Air, and so I backed up my Pro using time machine onto an external hard drive. The backup ran smoothly and no errors were displayed. When I went to see ...
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1answer
57 views

Cloning two internal HDDs on to one external HDD as a backup

My Asus M51AC desktop PC has a 500MB HDD with pre-installed Win 8 (upgraded to Win 8.1), so I also installed a 1TB HDD with OEM WIN 7 Pro SP1. Can I copy/clone both HDDs to one backup 2TB HDD, so I ...
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1answer
54 views

Can Windows 10TP be installed without replacing or modifying the existing Windows installation?

Some documentation indicates that Win 10TP can be installed fresh on an empty partition. Other documentation seems to describe that it must replace an existing Windows installation and/or that it will ...
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2answers
314 views

Using an external drive for application storage in Mac OS X 10.10

I have just upgraded my Mac Mini (Mac Mini 2.6Ghz i7 16Gb RAM) to use a 256GB SSD for the boot drive. I have successfully installed Mac OS X 10.10 Yosemite as my OS, with a clean installation. I ...
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1answer
275 views

SSD in external USB 3.0 closure not recognized as SSD

I've brought an SSD and external closure that supports UASP and USB 3.0. The drive is recognized and the speed is ok. But the drive is recognized as normal hard drive by Windows (8.1). I.e. when I ...
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1answer
233 views

Partition broken: Testdisk can see files and copy them, but I can't recover the partition

Some days ago I attached my usb external hard drive, and windows started to say like that: "Disk/drive is not formatted. Do you want to format it now?" So I downloaded testdisk and I tried to repair ...
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4answers
288 views

Confirm HDD errors were due to USB enclosure not supporting large capacity drives?

I suddenly started getting errors when copying files to my external hard drive. There is plenty of free space: 1.64TB free of 3.63TB. I was able to complete the file copy by doing one of two things: ...
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8 views

Correct external HDD permissions

I have just reformatted a 2T external to use the EXT4 file-system with GPT partitioning from NTFS using ms-dos. Currently the permissions for this device are 755. I think this is correct, but I am ...
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2answers
61 views

Making backups of 10 hard drives. Should I just make disk images?

I am going to be making backups of about 10 hard drives, around 4 TB of data. I will be using a USB to SATA adapter and then be transferring the data to a 4tb external USB drive. I will most likely be ...
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2answers
126 views

What is windows 7 secretly putting on formatted USB drives? [duplicate]

Initial actions: I wanted to copy some files that were very close in total size to the USB stick memory size (<8G). So I checked size of all files vs available space. A few more KB were needed for ...
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2answers
1k views

Is exFAT now the best choice for an external hard drive that will be used for Windows, Mac, and Linux? [duplicate]

I'm running a Windows, Mac, Linux tripleboot off of a single SSD, and am now, unsurprisingly, in need of additional storage space in the form of an external hard drive. I want to format my hard drive ...
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0answers
34 views

diagnosing spurious hard-drive spin-down

I've got an external USB drive that is being used for backup purposes. Occasionally it will spuriously spin-down and Mac OS X will complain that the disk wasn't ejected properly. One reason I have ...
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1answer
42 views

Is a recovered file a FUSE system file?

I have a 1 TB NTFS external hard drive used for data and backup for both Windows and Linux. It got corrupted and I repaired it with chkdsk in Windows. Chkdsk recovered a collection of files with ...
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0answers
151 views

How Do I Get My Seagate Harddrive To Show Up In SeaTools Using A USB To SATA Adaptor

Application Being Used: SeaTools For Windows Hard Drive Model: ST320005 42AS Interface: USB-To-SATA Adaptor I keep running into an issue when trying to use SeaTools from Seagate. I have a USB to ...
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1answer
450 views

A:/ is not accessible, access is denied. (windows 8.1)

I have an external 1TB hard drive which is having 2 partitions, I am not able to access one partition in normal boot which is giving me error. A:/ is not accessible, Access is Denied The drive is ...
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175 views

Reboot causes DegradedArray event on Raspberry Pi

I tried to setup a RAID1 with two external SATA drives connected over USB to my Raspberry Pi (Model B+ running Raspbian Wheezy). The disks are both new Western Digital WD20EZRX drives with 2TB ...
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76 views

Ubuntu-Rescue Remix Does Not See Hard Drive

I am trying to copy over data using the Ubuntu-Rescue Remix bootable cd but this cd does not see my hard drive! What can I do so that the URR is able to see my hard drive and I can save my data? I ...
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1answer
44 views

Files take up more space on one drive than another?

I have about 1.5TB of files on one external hard drive (a WD My Passport Slim). I copied these files onto another drive (an internal drive, a WD Red, that I have attached externally via an adapter). ...
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93 views

Are some USB hard drive enclosures unsuitable for system drive use?

I have a number of hard drives in USB 2.0 enclosures. Some of these produce odd but consistent software failures when trying to use them as a Linux system drive. The problem appears to be tied to the ...
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3answers
68 views

Moving bulk files from one external disk to other does nothing

I am trying to move all my music (~700GB) from one external hard drive to another one. While in the past, I used to do that with just dragging and dropping the files, now it does nothing at all. Not ...
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1answer
46 views

Internal hard drive runs faster in an enclosure then plugged into the case

Long story short: My OS is on an SDD, I use a secondary hard drive for storage. Secondary hard drive fails, backup data and put it on a new laptop sized HDD I bought. Runs horribly, have to put it ...
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1answer
95 views

WD portable hardrive My Passport 1TB

I have an issue with my WD Passport 1TB. I have set up security password before I can access actual data. when clicked to open the file "WD Drive Unlock.exe" it shows strange behaviour and it's ...
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0answers
130 views

Access Ubuntu formatted HDD as external USB drive from MAC

I am having one HDD in which Ubuntu was installed, now that system is not working properly and I wan't to use that HDD as external HDD with my MacBook Pro installed OS X Yosemite. I have HDD Case to ...
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1answer
36 views

random filenames on external hdd drive

i am in big troubble. My friend gaves me his external usb hdd drive and told me, his files are deleted and renamed. I just want to restore the data with the program "recuva" but it dosn't work. I ...
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1answer
83 views

Recovering BUFFALO 3TB USB drive

I went into a problem mounting a Buffalo 3TB external drive in Linux, formatted as EXT4. It failed to mount after I reboot on my Desktop PC running MINT on Dell Inspiron. Any help or pointers to much ...
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1answer
49 views

USB 3 Hard disk interferes with Wireless KB/M

I have a DELL Inspiron 17R SE laptop, which I use with a Microsoft wireless desktop set. On occasion I connect a WD 2TB Elements external hard disk When I do that, I notice the sometimes the mouse ...
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0answers
13 views

Remove none existent external drives

I'm installing windows 8, it has completed installation but won't finish until I unplug an external drive. The problem rests in the fact that I don't have external drives connected, except of course ...
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1answer
35 views

Kernel panic when reading from /dev/sdb via pv

I have a external Hitachi Hard Drive that has the annoying "Advanced Power Management" feature, that puts the device to sleep, if I do not use it for a minute. It is also not possible to turn this ...
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1answer
54 views

External HDD appears to be mounted rw, but switches to ro

When I first mount my external HDD, it claims to be mounted rw: # mkdir /media/external-hdd # mount /dev/sdb1 /media/external-hdd # mount | grep sdb1 /dev/sdb1 on /media/external-hdd type ext3 ...
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1answer
58 views

Oracle VirtualBox that has Mac doesnt detect my WD MyPassport HDD 2TB

I am trying to repair WD MyPassport 2TB HDD to be used in Os X, but I don't have Mac computer so I just use a virtualbox and put mac os X there. I already format the HDD using Paragon NTFS-HFS ...
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1answer
23 views

When inserted my external HDD all external HDD and flashdrive doesn't detected

I have this weird problem, whenever I inserted my external HDD it will not show in BIOS, device management and even in my computer. It becomes weird becomes when I inserted it it will make other ...
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1answer
29 views

Complications with External Hard Drive after using partitioning Tool

I have ran into a snag with my external hard drive. Last night I was attempting to shink my 1TB hard drive into a 400GB and a 600GB partition (approx). I was using: MiniTool partition Wizzard Home ...
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23 views

In Windows7 my External Drive is recognize as a Local drive

In Windows7 my External Drive is recognize as a Local drive instead of an external drive. Therefore when my backup Dell program DellSafe tries to run it will not backup my files commenting that it ...
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2answers
806 views

External USB Hard Drive i/o error

I have an external USB hard drive that seems to have crashed. When I plug it into any of my computers it usually will not mount. Occasionally, it does mount, but then when I run an ls command for ...
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1answer
36 views

Protected sharing over a home network (mac)

I have an external drive connected to one of my Mac systems. I was hoping to share that over the home network. We can do so by just going into System Preference->Sharing->Turning on File Sharing. ...