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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10 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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2answers
25 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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3answers
5k views

Starting Windows 7 from an external hard drive on a Mac

I would like to run windows on my MacBook Air with Mavericks 10.9.3. I currently have a Windows 7 64 bit ISO I can use. The problem is that my MacBook does not have enough space to install windows and ...
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0answers
20 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
84 views
+50

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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2answers
11k views
2
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1answer
57 views
+500

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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1answer
16 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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0answers
28 views

Windows 7 Ult 64-Bit Laptop [on hold]

I have recently bought a USB 3.0 Dual HDD Dock/Cloning Device. The laptop I am using it on has no charge capability so it is only good for external power. I bought the dock due to the laptop having ...
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1answer
34 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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1answer
35 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
32 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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0answers
78 views

Copied C drive contents to external HDD, half of the content is not there, but content size says otherwise

I copied my C drive onto an external HDD. The folder which holds this shows that it has about 20GB of data. However, when I open the folder, and check the sum of all contents, it only adds up to about ...
2
votes
5answers
9k views

What might limit data transfer rate to NAS?

I have two NAS (Buffalo Linkstation Pro, WD MyBook World), which are connected to 2 PCs with a Gigabit LAN connection. All devices are in "Gigabit mode", meaning all show that their connection speed ...
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3answers
7k views

How do I view files inexplicably hidden on an external hard drive?

Yesterday I traded some files with a friend by hooking up an external hard drive to his computer. I had created a folder with some files in it for him and likewise created another folder for him to ...
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3answers
78 views

What makes an external hard disk different from the internal one?

I mean I can basically loosen an external hard disk and insert it in a laptop but will it work as well as internal ones? What makes them different?
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0answers
7 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
59 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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2answers
51 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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1answer
3k views

Trying to retrieve data with a thermaltake blacX enclosure: Windows 7 believes the drive to be “uninitialized”

I have a laptop that won't boot. It appears to be a power problem ... laptop auto-turns-off within about 10 seconds of pressing the power button (with power buttons lighted temporarily and no display ...
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2answers
85 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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5answers
1k views

What is the exact capacity of 1000GB HDD?

1 GiB = 1024 * 1024 * 1024 bytes 1 GB = 1000 * 1000 * 1000 bytes That is easy! I don't want to talk about this! I have laptop which should have (according to seller) 1000 GB. That is 1000 000 000 ...
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0answers
17 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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2answers
6k views

Can't read from the source file or disk

I'm having a two WD external hard disk with capacity of 1 TB. I'm trying to copy SAP file(capacity - 250 GB ) in the extension of .vmdk from one hard disk to another hard disk. But when ever i'm ...
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3answers
3k views

Bad HD and robocopy

After my HD gave me crc errors I wanted to copy one drive to another and picked up a new 1TB hd. I am using the command robocopy G: J: /MIR /COPYALL /ZB First it tried copying the file a few times ...
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1answer
429 views

Cloning a drive with DriveImage XML renders the clone unbootable

I have a computer that I would like to completely transfer to new (better) hardware. I have an external hard drive, and I am attempting to clone the entire C: drive to it, making it bootable. The ...
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0answers
17 views

Leave my Seagate Slim Connected? [duplicate]

It seems to me that my recently purchased Seagate Slim is spinning all the time. At least the lights on all the time. So is it spinning its life away? Is keeping it connected going to reduce the life ...
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3answers
49 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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0answers
25 views

External hard drive losing files, what's happening and how to recover? [closed]

My Toshiba EHD (about 4.5 years old) is losing files in a very peculiar way: whenever copying file(s) from the EHD to my Mac fails, those files disappear entirely, and sometimes all the files in the ...
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1answer
54 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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0answers
20 views

Possible FUSE corruption?

I have a 1 TB NTFS external hard disk used for data. It got corrupted and I repaired it with chkdsk in Windows. Chkdsk recovered a collection of system-looking files, none of which I recognized. ...
0
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1answer
26 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
28 views

files different on removable hard drive in linux

I'm having a problem with my external hard drive when using it on my linux system. I am running ubuntu with kde, and I have a 1tb hard drive (formatted in ntfs, I think). I was working perfectly when ...
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votes
3answers
2k views

WD 2 TB External Hard Drive not Showing up in Computer

I had the internal hard drive in my HPTouchSmart 600 (Windsows 7 64bit) replaced. When I got it home, I plugged in my WD 2 TB external hard drive. It worked fine. Within the next 24 hrs something ...
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0answers
30 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 ...
2
votes
3answers
3k views

Can't see disk in Windows explorer

I purchased a new 4TB HDD and put it in an enclosure for external use. I formatted that HDD using the disk management tool (as GPT rather than MBR) and assigned a drive letter to it. I was able to use ...
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0answers
72 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 ...
3
votes
3answers
207 views

How can a MBR formatted hard drive exceed 1.81 TiB capacity?

I recently purchased an external disk drive with 3 terabytes (2.72 TiB) of storage capacity. Now according to Wikipedia's article on MBR, the maximum addressable storage space on a disk formatted ...
1
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1answer
36 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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0answers
26 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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0answers
22 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 ...
2
votes
1answer
4k views

USB hard drive not recognized

Until recently I was using the portable USB hard drive in my win 7 laptop and ubuntu laptop. Suddenly now none of the laptops recognize it. This is the message I get by running lsusb: Bus 001 Device ...
51
votes
11answers
64k views

Automatically mount external drives to /media/LABEL on boot without a user logged in?

This question is similar, but kind of the opposite of what I want. I want external USB drives to be mounted automatically at boot, without anyone logged in, to locations like /media/<label>. I ...
0
votes
1answer
30 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 ...
1
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1answer
38 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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0answers
27 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
34 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
22 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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2answers
3k views

Western Digital Elements 1TB USB3.0 Spins up and then beeps?

Well, today, I unplugged my WD external HDD from my laptop so that I could move it to a different port. I was not using any program that would be accessing the drive at the time. However, when I ...
0
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1answer
37 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 ...