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 to bypass external hard drive permissions

I bought an external hard drive from a computer repairman when he could not fix the computer I brought in for repair. I have not been able to access it since bringing it home to use because access is ...
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28 views

Does moving data between memory and secondary storage device need to go through cpu registers? [on hold]

In the memory/storage hierarchy: cpu register - cpu cache - main memory - secondary storage device, does copying or moving data between storages at some levels pass the storage at some higher level, ...
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23 views

WD HDD copying error

I have WD External HDD of 160Gb and 1TB but i am not able to copy data from 160Gb HDD. problems are 1. HDD automatically disconnected while copying. 2. Some 0x800... error is coming. please help me ...
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30 views

Recover missing files on an external hard drive

I backed up my files from the office in my external hard drive couple of days ago. The files are from a Mac. Then after I went home I checked the files and the files were there. After that I ...
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18 views

External Hard Drive with no WMI info

Had some software crash for a user because it expected TotalSectors from WMI to be present for all Win32_DiskDrive's. The powershell output for it is below. I asked the user if there was something ...
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1answer
18 views

Misleading “Couldn't mount file” message after successful mounting of removable Virtual Hard Disk that is part of Storage pool

I use two-way mirror feature of Windows 8 to regularly and transparently backup my important disks on USB drive. Size of my USB drive is much higher than size of disk to backup, so allocating whole ...
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2answers
41 views

What are the implications of plugging a USB 2.0 hub into a USB 3.0 hub [on hold]

I have a notebook that when im at home i use for work with a keyboard/mouse, a monitor (the monitor is HDMI) and some peripheals. Well, i already have a cheap USB 2.0 powered (5v/1A) hub with 7 ...
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21 views

External Hard Drive Used for a File Server [on hold]

I'm starting a small server farm serving my surrounding community, my goal is about 100TB capacity with no redundancy necessary. It's going to be an ubuntu machine with VM running windows server. ...
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37 views

Wester Digital Passport External Hardisk failure

I dropped my WD passport from a height of about 3 feet on a solid surface. I connected the harddisk to my Lapotop running windows 8.1. The LED on the haddisk is blinking. I can feel the hard disk ...
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25 views

How do i recover data without reformatting drive after USB to SATA conversion?

My External USB Hard Drive became unusable. Removed the enclosure and connected via SATA. Windows is failing to recognize without formatting. What are my options to recover drive without losing data? ...
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13 views

Cannot get RAID working with Mac Mini after adding drive

I had a working RAID array with 3 2TB drive in an external Startech.com SATA enclosure that was set to RAID5 I wanted to add another 2TB drive, so I added the drive but according to the manual, I ...
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20 views

Movie stops playing after some time in my Blu-Ray player [on hold]

I'm owner of a Samsung Blu-Ray player and recently I face some problems. I bought some days ago and I've succesfully seen 2 hd movies in mp4 format. I've put my usb stick and I've played one 1080 and ...
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20 views

External hard drive returns a “The semaphore timeout period has expired.” error

I haven’t used my pretty much full 2TB external hard drive in a few months and wanted to grab some movies off it. But when I plug it into my laptop it either won’t show up in my computer or it shows ...
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1answer
38 views

USB 3.0 HDD is working in High-Speed mode instead of SuperSpeed

I've got Asus R500V with one USB 3.0 port. I've installed a proper driver from Acer site. I've got WD My Passport [USB 3.0 version] and I connected it to the 3.0 port. Treeview says it's working in ...
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1answer
42 views

WD Elements Bought 2 weeks ago : clicking noise on only Some devices

I bought the 1TB WD Elements USB3 external hard drive 2 weeks ago, and i have some weird issues with it when i tried on: windows 7 >> worked - Read & write linux mint 15 >> Not recognized. ...
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27 views

Sony Bravia LCD TV doesn't recognize external HDD partitions

Hy! I have a 1TB Toshiba extarnal hard drive and a Sony Bravia LCD TV (KDL32CX520BAEP) and I want to record programme from TV. I have two partitions on the external HDD(500-500GB) one for the records ...
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6 views

Duplicate last full backup from Areca

Using Areca Backup, I create full and incremental backups to a secondary drive during the week. I want to replicate the latest full backup or full + incremental to an external hard drive, which is not ...
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1answer
38 views

Understanding the wide variation in reported performance of a hard disk drive in a USB 3.0 enclosure as shown HD Tune

I have a USB 3.0 external HDD enclosure, and I installed an old HDD from my desktop into it. Naturally I’d like to see how it will perform, so I have HD Tune running a benchmark. However the graph ...
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31 views

Can't read iomega Ego external Hard Drive Drive - detected in Disk Management, but assigning a drive letter is grayed out

I have a problem with my iOmega Ego external Hard Drive. I can connect it to my laptop (Windows 8 & 7 & Mac have been tried out) and it is always shown in Disk Utlity/Disk Management (see ...
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25 views

Externel WD 1TB harddrive not working only on windows but working perfectly on Linux distros.

WINDOWS (7) I've 1 TB WD external hard-disk which recently started giving an error "I/O Error Occurred" and became inaccessible with in a minute after plug in. Later, tried all (freely available ...
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2answers
54 views

Seagate 2TB external hard drive not showing up in Disk Management

I have a Seagate 2TB external hard drive connected to my machine but this does not show up in Disk Management once I'm in Windows. I have tried this on both my desktop machine and my laptop. Any ...
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19 views

disk to disk clone in Clonezilla, how to use a part of the backup drive as a disk?

I want to do a disk to disk clone in Clonezilla. I have an external hard drive but I don't want to delete all of it's contents. Is it possible to do a disk to disk clone and choose to backup to a ...
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28 views

(Ubuntu) External hard drive is read only. How to change it? [duplicate]

So I'm trying to save everything from an internal hard drive by moving all its files to an external hard drive. My SSD boot drive with windows on it died and the other hard drive has all my files on ...
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18 views

External drive connects and disconnects from laptop [duplicate]

I decided to try something new for storing my files by buying an SSD and putting it in an enclosure, using it as an external drive. It's a Samsung SSD 840 PROSeries 512GB 2.5'' and I put it in an ICY ...
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20 views

How to transfer OS from failing hard disk to new external drive?

I have an old Vista Laptop whose hard disk is failing. For various reasons I must have the same exact system back again. I copied the entire OS on the C drive over to a new external drive and made it ...
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34 views

Is there a way to make hard drives/optical drives easily removable?

My question is, is there a way to remove an optical drive and replace it with an external drive (converted to an internal drive of course) on the fly? In an earlier question I asked about ...
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2answers
45 views

Does larger disk allocation unit size in HDD makes file searching faster?

Does choosing a larger unit size make it perform faster when it comes to searching files in the disk drive or even writing/reading files? Larger allocation unit means the hard disk needle needs less ...
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22 views

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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41 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
42 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
373 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
25 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
94 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
15 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
82 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
47 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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41 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
59 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
90 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
31 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
86 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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86 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
30 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
41 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
41 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
103 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
156 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
63 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
174 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 ...