Question about Cavalry Storage Cavalry 1TB USB 2.0 3.5 External w/ One Touch Back-up Hard Drive

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Not recognized by laptop

It was working fine but all of a sudden the laptop is not recognizing it

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Okay , so there are some steps to figure out what is wrong with your external.

Firstly , if your computer makes a sound when you plug in your external , go to Start-Control Panel-Administrative Tools-Computer Management-Disk Management , and see if your external drive is listed here with your local drives. If it is listed , right click on the drive and change the drive letter to make it appear in "my computer".

If your drive does not make a connection sound when connecting to your computer and also does not show up , please follow the next step.

Remove the hard drive from the casing if possible and install it in your computer case or another external case.If the drive works , the problem is with the casing and you can ignore the drive.

Now , if the problem is with the casing , there are still 3 possibilities.

  1. The USB cable between the drive and the computer may be damaged.
  2. The circuit board which connects your drive to the interface of the external may be blown.
  3. The power supply (if applicable) may have a blown transformer.
The latter is the easiest to diagnose , does your external light up at all when you plug in the power? If not , then this is probably your problem. On the bottom of the adapter is a label which you will be able to use to have a new adapter made at your local electronics shop and this will cost about $30 max. They will also be able to test the adapter with a clamp meter to see if this is really the problem and this should be free.

The second component you want to test is the USB cable. If you have a printer , swop out the cables and see if your printer functions normally. Most externals use the same connector so you should be able to test it in this manner. If the cable works go on to the last step. If the cable is defective , replace it with a new one which you can find for about $10 at most electronics and chain stores.

The last component to test is the circuit board. This is a bit of a grey zone as you probably won't be able to spot the blown component unless it failed really badly. With the casing already opened , locate the external's circuit board and check to see if you have any blackened components or fluids leaking from some components. If all the other components of the external worked perfectly , then this is the faulty part. It is not really economical to replace the circuit as most of the time it is out of production by the time you need to replace it and it still costs a lot even if it is available so if your drive is working perfectly when connected via sata or IDE on your computer , the best is to buy a new casing and place your old drive in the new casing.

A casing costs about $50 and you could get it at most tech shops and big chain stores like Best Buy.

I hope this solves your problem and please reply if you need more help.

Kind Regards
Andrea

Posted on Sep 27, 2010

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SOURCE: Maxtor 3200 was working fine. Suddenly my

If it fails to show up on another computer, it's dead. When you finish kicking yourself for failing to back it up, you can take it to a shop and ask them to pull the actual HDD out of the case and try to mount it with a different adapter. (This is more or less what ikkenom suggested, but your machine may not have the proper connectors.) If you're really lucky, they'll discover that the drive is readable, and they can transfer your files to a new HDD. You will then go home and BACK UP those files, right?

Posted on Nov 04, 2009

Crankstart
  • 696 Answers

SOURCE: simpletech model sp u25/120 not recognized

Hello,

Sounds like you have a failing enclosure, are you still under warranty?

If you're under warranty and have other copies of all your files, simply visit the western digital website and file a warranty claim. They are very good about replacing any drives that fail.

If you do have files you'll need recovered then you do have a cheap solution to try before commiting to more expensive solutions. It will void your warranty but frankly the warranty is useless if you need your files.

Take your drive to a PC shop and ask the technicians to test the hard drive in a new enclosure. If you're lucky it's just a failure in the enclosure and you should be back in business for less than $50. If this fails to work and you're located in North or South America contact www.armor-it.com if you live outside the Americas, contact me by replying to this page and I will direct you to an apropriate facility nearer to you.

Crankstart

Posted on Jan 08, 2010

SOURCE: I have a WD1600ME-01

First make sure usb cable connected to harddrive is working fine. try it in different usb ports. Press windows key +R key so you can see run then type in run "devmgmt.msc" then press ok so you can see device manager uninstall all usb drivers then it automatic install usb drivers. then check. Also you need to change registry for that type in run "regedit" then press ok then you can see registry editor then locate below key. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11 CE-BFC1-08002BE10318} And remove upper filter and lower filter.Then restart computer then check.
Also locate the below key and make sure it's value is 3 not 4. HKLM\system\currentcontrolset\services\usbstor make sure start value is 3 not 4. Let me know if you need further assistance. Thanks for using FixYa

Posted on Jan 02, 2011

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