This tag is for questions on external hard drives.

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4answers
32k views

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 ...
4
votes
3answers
980 views

Internal or external drive for backup?

I've got a spare drive, and thinking about using it to keep as an internal bootable backup to replace my current external bootable backup. It would free up an external drive, and a usb port. Is there ...
4
votes
3answers
650 views

Install Windows XP on a removable hard drive

I've got a hard drive connected to my PC with eSATA. I'd like to install Windows XP on it without having to reboot the computer. What is the best/easiest/quickest way of doing this? I plan on ...
4
votes
2answers
3k views

SSDs vs HDDs for external hard drives

I am planning on getting a new external drive, and was considering the new SSDs over HDDs. Read/write performance for many small files (0 - 500KB) is of highest priority for my use, it's more ...
4
votes
4answers
1k views

what is causing my HDD clicking?

I have a transcend 250GB hard drive which recently stopped working. It didn't sustain and physical damage that I am aware of, dropping, water ect... It won't even pop on the desktop, and isn't ...
4
votes
2answers
3k views

How can I boot from an external hard drive?

How can I boot from an external hard drive? hp
4
votes
3answers
3k views

Harddrive fell; caught in mid-air; won't spin up

I have a SimpleTech 1TB external USB hard drive. I recently backed up my entire system to it, then formatted and installed Windows 8 Developer Preview. Before restoring my data from the external ...
4
votes
5answers
3k views

Set Folder Icon for all Os

I want set icon to my folder in My external hard drive but when I change it (by right click on it and -> properties -> customize -> change icon (i address the icon from my extenal hard ...
4
votes
2answers
3k views

All the files on my external drive have been replaced by a single shortcut which can no longer be opened

Here is what happened after I used Malwarebytes Anti-Malware: Before I used Malwarebytes Anti-Malware I could still open that shortcut. I know that a virus made that shortcut and so I tried to ...
4
votes
1answer
3k views

USB hard drive doesn't graceful power off after eject on Windows 7

I have a couple of Seagate FreeAgent Go external USB hard drives and would like them to gracefully power off after ejecting in Windows 7. With Windows XP a few seconds after they are ejected they ...
4
votes
2answers
4k views

USB 3.0 randomly disconnecting and reconnecting

I had an old laptop that died so I have bought a new one. I have taken the 2.5 SATA hard drive from the old laptop and I have put it into an external 2.5 SATA enclosure usb 3.0 and I connect it to the ...
4
votes
3answers
3k views

Installing XP through USB-to-IDE/SATA connector?

To help someone reinstall a corrupt XP install on his IDE or SATA drive in a older desktop box (hence no Vista/W7), I was thinking of asking him to bring his harddrive and meet at Starbucks, and I ...
4
votes
3answers
2k views

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 ...
4
votes
4answers
3k views

Portable hard disk with write-protect switch [closed]

I'm looking for portable hard disks that have a physical switch (with or without key) to make it "read only" to prevent modification. Is there a particular keyword I should look for that designate ...
4
votes
3answers
3k views

Can't activate dynamic disk

For some reason I can't activate a dynamic disk connected to my PC via a USB hard disk enclosure. It has activated previously without any problems. When I check the event logs, I get this message ...
4
votes
4answers
13k views

How can I redirect my iTunes library to an external hard drive?

Right now, I have all my music on my internal hard drive, but it is running out of space. So, I bought an external hard drive, copied all my music over and went into the advanced preferences in ...
4
votes
2answers
2k views

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 ...
4
votes
1answer
622 views

Bad sectors in external HDD

I've had this external HDD for around 3 years give or take 6 months. For the last month or so, it was pretty slow but it worked. A few files couldn't be copied onto my system but files could be ...
4
votes
1answer
5k views

Is there software to fully emulate a USB hard drive?

Does anyone know a Windows program that can mount disk images and emulate a physical USB hard drive, including properties like the serial number? I already found software to emulate CDs and DVDs like ...
4
votes
2answers
1k views

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 ...
4
votes
3answers
1k views

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 ...
4
votes
3answers
2k views

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). ...
4
votes
1answer
13k views

grub2 error: out of disk

I'm trying to make a 250G USB hard disk Ubuntu-bootable on a Compaq nc6220 laptop. I've removed all other disks, so /dev/sda (the USB disk) is the only disk other than CDROM. I installed Ubuntu 9.10 ...
4
votes
2answers
69 views

Worth getting USB 3.0 enclosure for old HDD?

I have a WD 500GB MyPassport which is a couple of years old (2009-2010). Will I be able to see a noticeable speed difference if I remove the HDD and use it with a USB 3.0 caddy instead?
4
votes
1answer
135 views

Retrieving a Windows Directory Index

So I have a desktop with Windows 7 and I also have an external hard drive (1Tb). The usual thing happened: I accidentally dropped the drive and the data on the drive isn't backed up anywhere. The ...
4
votes
1answer
2k views

What causes my USB harddrive to stop working after unmounting?

I have recently bought an external harddrive to use with my Linux notebook. The harddrive is spec'ed at USB 3.0 while the notebook only supports USB 2.0. The drive seems to work fine when I plug it ...
4
votes
2answers
12k views

Why does Western Digital Smartware not detect my external HDD?

I recently buy WD Mybook Essential HDD 1 TB. I downloaded and install Smartware software in both my desktop (Windows XP) and laptop (Windows 7) but in both case the software is not able to detect the ...
4
votes
1answer
1k views

Installing Windows XP on an external hard drive?

I am going to be using eSATA connection. What r the advantages and disadvantages of doing this?
4
votes
1answer
2k views

vmware takes too much time to shut down

Each time I shuting down my virtual machine - it takes like 30 minutes for VM Ware to complete the process. The shut down is done, but it shows a black screen and doesn't respond to any command. I ...
4
votes
1answer
923 views

Why does my Macbook lock up while my external hard drive spins up?

Why does my MacBook lock up while my external USB hard drive spins up? It comes right back after a click or two post spin-up. It's pretty annoying since finder often sniffs the drives but the USB ...
4
votes
5answers
8k views

Internal drives vs USB-3 with external SSD or eSata with External SSD

I have a need to carry VMWare Virtual Machines with me for work. These are very large files (each VM is 20GB or more) and I carry around about 40 to 50 VM's to simulate different software ...
4
votes
6answers
2k views

Installing Windows 7 on a Netbook using a USB harddrive

Is there any way that I can use a USB harddrive to install Windows 7 on my Netbook? The Netbook is without a CD-ROM drive. I've got the Windows 7 installation as an ISO-file, if that helps?
4
votes
3answers
1k views

Airport Extreme and External HDD not staying connected

I have an Airport Extreme wireless router and I use the usb port on the back to connect my old IoMega HDD to it as sort of a fake NAS (until I have enough cash to get a Drobo). Every time I wish to ...
4
votes
1answer
180 views

Why is my 500GB hdd not readable after dd'ed on a different 500GB hdd?

Accidentally formatted an important external 500GB hdd yesterday. Not an SDD, 2.5". (Quick) formatting occured while installing windows xp on it. I had the wrong usb drive plugged in. ~600MB are ...
4
votes
2answers
824 views

Accessing a Macbook Pro in Target Disk mode over Thunderbolt from Windows

I have a MacBook Pro late 2011 with Thunderbolt booted into Target Disk Mode, as well as a Gigabyte motherboard model number GA-Z77X-UP4 TH running Windows 7. The MBP has two internal disks formatted ...
4
votes
1answer
718 views

How do I configure Time Machine to correctly mount my external hard drive after waking my laptop up?

I have a an external hard drive attached via USB to my 13 inch Mac Book Air 2011 running 10.7.4. I have Time Machine setup to backup to this drive exclusively; this hard drive serves no other purpose. ...
4
votes
3answers
33k views

How to share an external USB drive over network in OS X?

I have an external USB drive mounted on my Mac OS X 10.6 "Snow Leopard" box. I want to share a folder on this volume to another OS X computer over LAN. How is it possbile? If I simply enable the ...
4
votes
1answer
947 views

Using eSata on external hard drive

I have a Lacie D2 Quadra that I have been using through firewire 800. Mac pros at school have an eSata hookup, but my HD will not show up when I try to use it this way. I have assumed the drive is not ...
3
votes
5answers
2k views

Is there a limit on the number of USB external drives?

I've got three external HDDs, all My Books, 500 GB, 750 GB, and 1 TB. If I hook one or two of them up to a computer, everything seems fine. If I hook all three of them to a computer ...
3
votes
7answers
9k views

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 ...
3
votes
4answers
2k views

Data recovery on a data HDD (no OS)

I am helping a family member with a dead hard disk. It is a seagate 200Gb 3.5" HDD in one of those old-school external enclosures. The problem was that windows failed to detect the hard disk when ...
3
votes
5answers
978 views

After how long should I replace my external HDD?

I've had my WD Elements 1.5TB External HDD for well over a year now, and I'm starting to worry about it's lifespan. Would it be wise to buy a second one at this point to back up my first one? I've ...
3
votes
7answers
6k views

How long should I keep my external hard drive connected to my computer

I just got my Toshiba 500GB external hard drive in the mail today and I'm super psyched. So naturally I don't want to damage it. How long at a time should I keep it connected? For flash drives I ...
3
votes
3answers
137 views

External Hard Drive reformatting and data

I have an 100Gb external HD with bunch of stuff that was originally formatted to windows XP. I now have a mac and want to re-format the external to work with my Mac but dont want to lose the valuable ...
3
votes
2answers
775 views

What decides whether a hard drive enclosure has a separate power supply port different from its USB port? [closed]

I wonder in what cases a hard drive enclosure has a separate power supply port different from its USB port, and in what cases its power port and USB port are the same? Is the size a determining ...
3
votes
1answer
1k views

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?
3
votes
4answers
15k views

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 ...
3
votes
2answers
8k views

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 ...
3
votes
6answers
833 views

What's the fastest way to store/access large files?

I do a lot of video editing on my Mac and need a way to store very large (30 GB) files, and don't have room on my HD. A USB/Firewire external hard drive would work, but it seems way too slow for ...
3
votes
1answer
287 views

Ubuntu says 993GB, Windows says 930GB. Which one to beleive?

I recently purchased an external Hard Drive with 1TB if storage capacity. The only problem here is when I'm in Windows 7, it shows that it has 930GB available but on Ubuntu it's 993GB. The HDD is ...