This tag is for questions on external hard drives.

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4
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0answers
447 views

Do hard disk drives turn on 512e (512byte emulation of 4k sectors) as-needed depending on host controller?

I have a 4 TB hard disk that has 4k physical sector size (Advanced Format) and I attached it to two SATA host controllers (one internal and one in a USB enclosure). On the (older, about 2010) it comes ...
3
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0answers
35 views

External hard drive is full after running AVG PC Tuner, but WinDirStat indicates otherwise

I recently downloaded AVG PC Tuner, and performed a disk check on my 1 TB external drive. When it completed, it found no issues. However, my hard drive is now almost full when I had about ...
3
votes
0answers
199 views

Optibay drive ejects after 10 minutes

I have replaced my optical drive in Macbook Pro mid 2012 with Optibay disk - Hitachi Travelstar 5K1000 1TB internal harddrive (6,4 cm (2,5 inch), 5400rpm, SATA III). I have formatted it to Mac OS ...
3
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0answers
180 views

Arch Linux on an external HDD GPT-Partitioned

I have an Alienware M14x-R1 and had an Arch Linux System installed on its 750Gb HDD, everything working fine, GPT-partitions (on BIOS, not EFI) and GRUB bootloader. Then I bought a new Corsair SSD, ...
3
votes
0answers
716 views

No power save on external hard drive - How to implement?

I recently bought a new 3.5" USB external hard drive which I thought had a power save feature on it, but it turns out that it doesn't. So whether it's being used or not, it spins, which wouldn't be a ...
2
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0answers
39 views

How to turn on bitlocker on 4 TB USB HDD?

When trying to turn on Bitlocker on an external 4 TB USB HDD using Windows 7, there's error A device attached to the system is not functioning. in a rather unhelpful dialog, as shown below: Now ...
2
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0answers
244 views

hard drive detected internally but not externally

I have an acer laptop with a WD hard drive I have been using for about a year. Of late I noticed my system slow down dramatically. Further inspection revealed that the hard drive was going bad. The ...
2
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0answers
43 views

Weird HDD Slowdown Issue

I'm experiencing a strange issue with one of my SATA HDDs. Basically I have two internal HDDs that I am connecting to the PC through a SATA-to-USB adapter. I am not keeping them inside the PC since ...
2
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0answers
1k views

Automounting External USB 3.0 HDD on Ubuntu

I have an external 1TB USB 3.0 HDD (NTSF formatted) and a laptop with two USB 2.0 and two USB 3.0. My laptop runs Ubuntu 13.10 with XFCE. For a few weeks, I have used my HDD and it was always ...
2
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0answers
1k views

Files get corrupted frequently while copying to external hard drives

I'm running Windows 7 64 bit (updated all important updates yesterday) and have several external usb hard drives (self powered 3.5 inch). I recently noticed while copying files to the external drive ...
2
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0answers
108 views

Problems using Diskpart to resolve 'Read Only' issue on external 2TB external MyBook

I've got a problem with an external disk which suddenly, mid-session decided it was read only. I've tried the right click, properties, attributes, read only - to no avail, so then decided to approach ...
2
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0answers
135 views

External drive has strange files “_*” appearing - culprit is maybe rsync or SMB access?

I'm using rsync to back up folders from my iMac to a WD MyBook and the process seems to leave files such as these: _0O1MN~H.MP4 _2C0X2~3.AVI _ALLYW~B.SRT _VUC69~7 The last one is the most ...
2
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0answers
274 views

Trying to rescue data from WD My Book Studio II, raid 0

For a friend I'm trying to recover data from a Western Digital My Book Studio II external disk drive enclosure in raid 0 mode. At first I tried to rescue the data under OSX, the OS used by the ...
2
votes
0answers
303 views

Seagate external hard disk does not power down

When my computer is off, this external hard disk remains on, consuming power. It is permanently warm, and inside components are active (perhaps the fan?). I have a UPS for the system so a complete ...
2
votes
0answers
647 views

Seagate External USB 3.0 HDD doesn't register when connected?

I've got a Seagate FreeAgent GoFlex Desk 2TB External USB 3.0/2.0 Hard Drive that I use for backups. I previously had issues with USB ports not supplying sufficient power to the drive, but that was ...
2
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0answers
404 views

External HD Hitachi XL1000 doesn't work

I have an External HDD Hitachi XL1000. I use it on Debian Wheezy and Windows 7, both worked perfectly. After backing up my files to format Win7 PC, the HD don't work anymore. When I plug in the ...
2
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0answers
589 views

Why is my portable WD My Passport drive not recognized?

My Western Digital My Passport portable drive is not recognized in OS X. It used to be recognized, but not anymore. It does not appear in /Volumes. The hard drive is recognized by a Linux machine. I ...
2
votes
0answers
387 views

mounting a multi-drive USB enclosure in linux

I have a OWC Mercury Elite 2-bay USB drive enclosure (OWCMEPT934AL2C). I have it set on "individual" settings for the disks, so the 2 disks show up as two separate drives on my Mac (no raid, or ...
2
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0answers
590 views

External hard drive won't mount on Mac

Anyone had problems mounting an external hard drive on a mac? It shows up (dimmed) in disk utility and all is fine according to first aid, but it just refuses to mount. It simply says "The disk My ...
2
votes
0answers
754 views

Seagate 3TB hard drive loses format information

I have a Windows 7x64 Ultimate, 6 GB memory, 1 TB HD. 3TB Barracuda XT HDD. The HDD is installed on a StarTech 4 bays external enclosure I had troubles so I converted to a GPT, created 1 partition and ...
2
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0answers
589 views

Toshiba External Hard Drive freezes computer

I bought a Toshiba Canvio Basics E05A032BAU2XK Portable External 320GB 2.5 Hard Drive: My computer has two Os's on it Win7 and Win XP. I need both. The main one I use is XP. When booting my computer ...
2
votes
0answers
2k views

WD SmartWare Drive Unlock, Western Digital?

I bought a 1TB Western Digital (USB3) some days ago. I was using it without any problems, but now whenever I attach it to my laptop USB, the following window up and I can't use it at all. The Drive ...
2
votes
0answers
1k views

Force unmount on OS X Lion

I have a WD External hard drive that I believe is defective. Every now and then it simply hangs and its unresponsiveness makes finder stop responding. It will not reset itself until I disconnect the ...
2
votes
0answers
173 views

Move itunes and iphoto library to external hard disk

I'm running out of space on my MacBook Pro and would like to move my itunes and iphoto library to an external hard disk. What are the steps involved?
2
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0answers
397 views

Best external USB drive with transparent Raid-1 support

I am in the market for a new NAS/backup system, and came across the interesting TonidoPlug . My last USB external drive (SimpleTech SimpleDrive 1TB) has met its demise, and so I'm trying to figure ...
2
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0answers
239 views

Issue detecting external hdd on ubuntu

I have two HDD on my Ubuntu machine. One is a Maxtor 320Gb and the other is a Verbatim 1.5Tb. While it automatically recognizes the first one as sdb1 it doesn't recognize the latter. I can't see it on ...
2
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0answers
117 views

Ubuntu cannot see portable hdd with 2 partitions

I don't know why but Ubuntu v9.10 isn't showing up one of it's partitions in my portable HDD. Only the 2nd partition is shown, and I can't find the 1st one. What might be a solution to this?
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0answers
111 views

Seagate Backup Plus Portable drive can't be found on my computer

I'm trying to recover/troubleshoot my external hard drive (Seagate Backup Plus), for some reason it had just stop working. I'm on OSX and trying to troubleshoot it using my Windows XP running on ...
1
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0answers
43 views

Files suddenly disappear (and reappear) on a NTFS USB drive used with Linux?

I recently bought a portable 1TB external USB drive which I intend to use mostly with my Ubuntu laptop, but I would like to be able to use it with other OS as well. It came formated as NTFS, and that ...
1
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0answers
65 views

How to force Finder to refresh external drive? OS X

I use an external hard drive for Time Machine backups. Recently, I moved it to a USB hub (so that I don't have as many cables to deal with). This has slowed down the speed which I can read/write to ...
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0answers
40 views

Device for easy hard disk imaging

I am looking for a device of which I don't know how it should be called. The current situation is that we provide computer services and often have to take disk images of hard disks before doing ...
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0answers
131 views

Slow write speed on external SSD

I am experiencing slow write speeds using an external Inatek USB 3.0 2.5" External Enclosure (UASP supported) with a Samsung 840 120GB drive. I just started using this setup on a late 2013 iMac as an ...
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0answers
33 views

Windows unable to see file system of external HDD

When I copy files from(or to) the external HDD to an internal one by USB 3.0 port, a disconnect happens and I get a Windows' message, that this HDD must be formatted. Windows can't see the file ...
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0answers
218 views

Seagate External Drive works on PC but not mac, sometimes

I've having some trouble with my Seagate USB External hard drive. It's formatted FAT32 and I use it primarily on my Mac (OSX Mavericks) Every now and then (it's happened twice now), It would stop ...
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0answers
75 views

Is this hard drive recoverable?

I'm trying to fix (and hopefully recover files from) a USB hard drive belonging to one of my roommates which suddenly stopped working. The storage on the drive is not recognized on any computer. ...
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0answers
49 views

External Hard Disk not showing up

I have a samsung external drive 3TB. The device shows up in the device manager but it wont sow up in my list of drives in My computer. I have to remove it and plug it in about 10 times before it shows ...
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0answers
145 views

Ubuntu unable to detect external USB hard drive

I tried mounting external usb hard drive.But it does'nt detect. Here is dmesg log: [ 3025.963395] usb 2-1.2: USB disconnect, address 3 [ 3194.935661] usb 2-1.2: new high speed USB device using ...
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0answers
65 views

external usb (backup) hard drive: is power down or sleep more harmful

I have an external usb hard drive on which I clone my mac's hard drive. I have it on a clock timer. It turns on about 30 min. before the backup process starts and turns off roughly 30 min. after the ...
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0answers
14 views

Synching 4 external hard drive to Desktop with Vista 64 and Laptop with Win7 64

I have to reformat my SSD in my Vista Desktop. I backed it up 9 months ago but the external drives were fresh. Now I need to re-backup my documents, photos etc. What is the best way without going ...
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0answers
139 views

In OSX, external hard drive doesn't automatically mount after computer boots. Fine if unplug/replug

Hopefully that title isn't too long, but I was trying to encapsulate the whole problem. The external drive that I use for my Time Machine backups doesn't seem to mount automatically when the computer ...
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0answers
305 views

My 4TB Seagate Backup plus works externally, not internally

I just recently purchased a a 4TB Backup Plus and installed about 1.5GB worth of data. I connected it using the USB 3.0 input on my motherboard.. Works fine. .. I then decided to use the bare drive ...
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0answers
101 views

Folders are hidden inside external hard disk

I have a 500 GB external hard disk, I think it's due to virus, all of the folders are hidden with read only attribute. I tried this command in Command Prompt under Administrative privilages: attrib ...
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0answers
153 views

If USB 2.0 max speed is 35MBp/s (480 mbits) why am I transferring at 120MB over gigabit?

I have a USB 2.0 External HDD and when I transfer something to/from the HDD over a gigabit network, I have a 120MB transfer speed, but USB 2.0 over supports 35MB
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0answers
168 views

Windows 8.1 Opens a File Explorer Window on Polling External Drives

I just upgraded to Windows 8.1 from 8.0. I have 3 external HDDs. Now when Windows polls the external drives it automatically opens a File Explorer window at the root of the drive. Every time the OS ...
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0answers
221 views

External hard drive USB connector has broken, Ubuntu can't read it through SATA

I bought a WD My Book external hard drive in 2009 and used it for a few years so I have a lot of important data on it. One day I accidentally knocked it off a table. The table was not too high but ...
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0answers
119 views

Slow copying of files from Bricked NAS to computer via USB 3.0 to SATA

Unfortunately I bricked my "Western Digital MyBookLive 3TB" network hard drive. (Only had an ethernet port to access files via network) After realising it was not going to work again, I decided to ...
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0answers
91 views

Is it possible to lose data on an external SSD drive despite using the “safe remove” feature?

I have an SSD disk in a third party USB 3.0 disk enclosure. The drive is NTFS formatted. Lately, I've almost lost some of my data despite using the "safe remove" windows feature. Here is what ...
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0answers
53 views

Running an XP install on a physical disk on vmware

I have a solution I need to solve using XP, I have VMWare Workstation on my Win7 laptop - can I use an external hard disk that has an XP install on it, rather than having to install XP on a vmx ? I ...
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0answers
549 views

Changed access permission & ownership but still cant access files & folders

HDD from an old Win XP laptop is usb-connected to a Win7 laptop. I have changed the permission as well as the ownership of the drive and its sub folders, YET I can't access the content of the files ...
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0answers
84 views

Keep track of external files

what is the most elegant way of keeping track of your external data (archives)? I don't want to download a file which is already somewhere on my external USB drive. Right now, I use "dir /s ...