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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Internal SATA connected to External SATA without an enclosure

Would there be any problem connecting an internal SATA drive using an old PC Power Supply for its power and connecting to an external SATA port on a laptop? Would there be any voltage conflicts? I ...
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External hard drive encryption

I've got a complete backup of my main PC on 1.5 TB external hard drive that I carry around with my laptop so I can have access to all of my files while I'm on the move, however it has just dawned on ...
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What's the use of windows hard disk write cache when the hard drive already has more than 8 megabytes of cache?

Doesn't a hard drive use its cache with high utilization? I see up to 20MB/s difference on file writes when I disable windows disk write cache. Does anybody know why cache size matters this much?
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Best way to keep 2 external USB harddrives in synch

Any suggestions of software to keep 2 external USB drives in synch? I have two 2TB USB drives connected to a computer. One drive is storing around 1TB of data so far and I would like the second ...
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How can I unmark an external hard drive partition as being active?

I accidentally marked my external hard drive partition as active in disk management. I meant to change the drive letter but hit the wrong button. Whoops. What are the consequences of having done that ...
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What to do with a USB hard drive that is not recognized by any computer

I have a USB HDD that was disconnected from a computer in an improper way. Since than, connecting this disk to any computer has almost no effect: the only thing that changes is the HDD's blue LED ...
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How to prevent spotlight from searching external hard drives

I have an external hard drive connected to my Macbook Pro that I always leave on. When I use spotlight to search for something, it always searches this drive. I don't want it to do this because ...
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My WD passport detected but not working

After installing Windows 7 32-bit, my Western Digital Passport drive is being detected, but I cannot see a drive to open it. I checked the drive on another system and it works, but not on mine. What ...
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Will “shaking” a hard disk damage its internal components?

Should external hard disks be put flat on the table when we are transferring data? Would there be possible physical damage to the inner components of the disk if we do not do so? While the hard disk ...
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Why are some hard disk enclosures limited in hard drive capacity?

Why are these hard drive enclosures advertised as having 160 GB maximum capacity? http://amazon.co.uk/dp/B008MRBMPA USB 2.0 interface (Compatible with USB 1.1), Up to 480 Mbps data transfer ...
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Why does the speed decrease while copying from an external harddrive?

I have an external hard drive that I needed to copy about 30 GB from. 8 DVD image files. The copy started out at 160 MB/s, quickly went down to around 80 MB/s and then slowly during the process it has ...
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435 views

is there is any upper limit for portable HDD size on my PC

I have a PC at my home with Intel P4 2.4gz CPU, 512 MB RAM and the OS is WinXP. I am planning to buy a portable HDD. I see lots of different sizes ( 256 GB,512 GB etc.) available in the market. I am ...
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Whats the difference between a USB key and a USB harddrive

I have a DVD player that can play files on a USB key. It also works with a cable to my MP3 player (4gb chipod) But it doesn't recognize any external USB hardrive. Even one <32Gb, fat32, single ...
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1TB external hard disks - reliable or not?

I'm looking into finally getting a big external hard disk (will probably be usb-connectable) but I recently heard that 1TB (or bigger) external disks are prone to overheating and, eventually, stop ...
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Mac Finder: WD My Passport won't mount

I have a WD My Passport 650GB (with Firewire and USB). I'm using it for almost a year now and it always worked fine. While underway I simply plug it in via Firewire - at home I connect it to my ...
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How do I check if a user connected an external hard drive?

I originally came across this from a Citadel LLC complaint against a former employee. Text of complaint: http://www.scribd.com/doc/63606232/Citadel-vs-Yihao-Ben-Pu From the filing: "Forensic ...
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Is there a specific Asus RT-N56U External HDD Format?

Tonight I setup my new Asus RT-n56u dual-band router. I love the thing. I can successfuly connect my two external HDD enclosure (containing 2x1TB drives) to the router. Unfortunately the router only ...
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What is the quickest reliable way to backup a NAS drive to a USB drive?

How would you backup 600+ GB of data on a NAS (Network-Attached Storage) drive to a USB external drive? The NAS drive does not contain mission critical data nonetheless I wish to make weekly copies ...
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How do I preserve folder shares on a USB external drive?

I'm using a WD Passport external hard drive with my notebook, and have a folder on this drive I need to share on my Windows network. Occasionally, when the drive is not plugged in, Windows appears to ...
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How to measure data transfer speed between my internal SATA HDD and External USB HDD?

How to measure data transfer speed between my internal SATA HDD and External USB HDD? I purchased new Seegate freego USB HDD but when i copy somthing from internal HDD to USB HDD or viceversa data ...
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Which power USB hub uses if it has external power supply as well

I have 7 port USB hub with external supply. I tried turning it off by removing external power but then it takes power from motherboard and is still working. I have many external hardrives connected ...
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Does backup software lock you in?

I just bought a new Iomega external drive, and I'm trying to figure out which software to use to manage backups. I am not looking for software recommendations. These are already available in other SU ...
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Cannot initialize discs in Windows 7

I have a brand new Dell with Windows 7. I have four external hard drives. Windows 7 recognized one of them but will not let me initialize the others. One of them is a brand new Western Digital ...
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How to spindown(sleep) a SATA hard disk drive under Windows?

I am using a 3.5" SATA HDD from the eSATA port of my laptop. The HDD is powered with another ATX power supply. Each time I unplug the eSATA, I cannot make the HDD spindown before I power off the ATX. ...
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External hard drive turns off when computer is shut down

I have gone through two external hard drive enclosures and have had this issue with both, though not one from five years ago. When I turn off my Windows Vista Ultimate x64 system, the external hard ...
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Weird hard disk errors

I observe strange error messages related to an external USB HDD, Seagate FreeAgent (not an SSD) on my Windows 8 desktop. First, the OS reports that the drive has an error: If I click 'Restart', it ...
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How to connect Western Digital “My passport” using other means?

I have a Western Digital My Passport 500Gb external Harddrive where the USB connection on the drive seems to have worn out. I am trying to retrieve the data for a friend. Here is an image of the ...
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Windows Won't Recognize More Than One USB Storage Device

Recently my Dell Studio 1550 laptop running Windows 7 x64 has started having problems with USB devices. I have two devices I typically connect: a Western Digital external HD and a SanDisk compact ...
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Right click on mouse crashes Windows Explorer

Whenever I click the right button on my USB mouse or trackpad of my laptop, Windows Explorer will crash and restart. All windows opened will close. I am using Windows 7 Enterprise. Has anyone else ...
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faster dd backup by differential copy

im looking to use dd to back up my whole hard drive regularly but it takes around 1.5 hours and want to know if there is a faster way to back up. possibly just by updating the bytes which are ...
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How to automatically eject external drive after Time Machine runs

I have a MacBook Pro which I regularly dock to an external monitor. I have my mouse, keyboard, and iPhone dock, and an external hard drive connected via a USB hub so that I only have to make one USB ...
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Is it recommended to partition an external drive used as storage?

I'm going to buy a 1TB external hard drive to use it as storage (not backup) and I'm not quite sure if any partitioning at all would be good in this case (i.e. System/Data scheme does not apply). So.....
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Daisy-Chained firewire drives

I want to daisy-chain a couple of fw800 drives to my mac and sync data between them. If possible I would like to run software raid 1 on them. So I am looking for input around the following questions: ...
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Why UASP isn't being used

According to How can I check whether USB3.0 UASP mode is enabled in Linux?, UASP is not in use on my new HDD enclosure that says it supports UASP. Also, my motherboard's (ASUS M5A99FX PRO R2.0) ...
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Create Linux swap on external USB 3 hard drive

I have an external USB 3 hard drive USB 3 port on Debian, and I would like to create a swap partition on that drive which drive also holds the partitions for databases and other high-volume stuff. ...
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Clone drive in Windows

I have two 2 TB external USB hard drives, call them HD1 and HD2. HD1 is USB 2, HD2 is USB 3. Each drive contains exactly one NTFS partition. I want to clone HD1 to HD2, because it's newer and much, ...
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Using DD-WRT and a network storage in my router's USB port for backup - feasible?

I'm planning in creating a backup storage, via rsync and SSH for all machines at home, using my new router that has an USB port (It's a TP-Link Tl-WR1043ND). I'm not planning to create a full-blown ...
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Are operating systems able to run on different hardware?

My friend boots Linux from an external hard disk (500 GB). My question is he installs the operating system for one particular motherboard processor; the system may have additional stuff like a ...
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Is it best to partition a 1TB external drive? [closed]

OK – I've got the 1TB WD External hard drive from DSE (see post - http://forums.pcworld.co.nz/showthread.php?t=113070 ) Should I create some more partitions on it – from what I've read (not knowing ...
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If someone purchased a Seagate ST3000DM001 3TB hard drive and it failed sooner than expected, will Seagate replace the drive?

One of Seagate’s recently popular hard drive models—at the consumer and enterprise level—is the ST3000DM001 3TB hard drive. It seems that many users in different usage realms—desktop environments as ...
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duplicate hdd serial number “152D20337A0C”

What is this "152D20337A0C" "serial number" about? I keep finding disks with this "special" serial number. I have 4 of them at home alone. Serial numbers should be unique.
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Programs keep waiting for external disk to spin up - how to ignore disk?

Like many Mac users I have an external Firewire disk hooked up to my Mac to be used by Time Machine. This works very well, backup-wise. The problem is that very often when I use a Mac application and ...
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487 views

External Drive or Drive enclosure suggestions [closed]

My home server is running on an ancient 700Mhz PIII machine with Windows 2000. In addition to the web site I linked I use the machine as a file server for the family and (small) database server and ...
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USB drive keeps disconnecting and reconnecting

I'm running Debian 7.2 on an old late 2006 Macbook Pro. I've got two 4 TB Seagate Backup Plus hard drives connected to it that I've got in a mirrored ZFS pool. Recently one of the drives died, and I ...
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Prevent a hard drive from being formatted?

I have an external hard drive and I partitioned it in 3 partitions. I want do something on one of these partitions, so nobody can format it (its data is important to me). What should I do? I use ...
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Is it safe to put an external drive on top of my desktop case near the hard drive?

I'm really embarrassed to ask this question, but it would be more stupid to lose data over this. Is it safe to place an external hard drive on top of my desktop case. I have a DVD/CD reader between ...
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A computer that fails to boot if certain USB devices are plugged in

I don't have an active problem with this but I am curious. Over time, my repair work has lead me to experience many instances (repeatable and reliable ones) where a computer (desktop, laptop, every ...
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Partitioning strategy for a 2 TB external hard drive

I got a 2 TB Western Digital Elements hard drive, and I want to use it as a storage device to back up all my movies and songs and other Data. Does partitioning the drive have any performance ...
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I broke the USB port on my external HDD. How do I fix this?

I have a WD 1.5 TB External HD. I carelessly left the device plugged in, stepped off my bed, foot landed on the cord stuck in the USB port and now the USB port is broken. It's loose inside the ...
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How to “join” two partitions

I have a laptop hard drive that I'm using now as an external USB hard drive. The drive has two partitions - I don't want this configuration and only want one partition. How can I join the partitions ...