Question about SimpleTech (sti-u2f36/250) 250 GB Hard Drive

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I soo frustrated

The fan spins then it clicks three times then shuts down my computer doesnt get to recognize it what do i do

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Re: i soo frustrated

This external hard drive does not have a fan, unless you have a different one than in the picture. Clicking on hard drives is usually a sign of mechanical failure.

The first thing I'd recommend it try plugging it to a different USB port, and see if the same thing occurs. If it does, try it on a different computer. If it can show up on a different computer, you might have a problem with your USB port- a common problem in some older computers.

Posted on Dec 07, 2007

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Re: i soo frustrated

Where do you hear the clicks? on the hard drive? the fan (assuming it's the power supply)? Please explain more... Thanks!

Posted on Dec 07, 2007

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The computer can not recognize drive (unknown USB device).

Method 1 - Unplug Computer So how did I finally fix the problem? Well, if you are lucky, it's a super simple solution! Try this method first and if it works, you'll have saved a lot of time.
Simply unplug your computer from the power supply. Yes that is it! Note that this does not mean just turning off your computer using the power button because most modern computers don't actually turn off completely and the motherboard will still get power. This is useful sometimes if you want to remotely wake up a computer, etc.
The motherboard is where all of hardware of the computer connects to, including the USB ports. Sometimes the motherboard needs to be "rebooted" because things can go wrong, i.e. all or some USB ports suddenly stop working. The small microprocessor on the motherboard will reload the drivers and your USB ports should hopefully be recognizing devices again.
So first turn off your computer using the Shut Down option in Windows or pressing the power button and then UNPLUG the PC from the wall outlet. Let it sit for several minutes and then plug it back in.
Method 2 - Update Device Driver If Windows is not able to recognize the device, you may also see in Device Manager that the device shows up as an "Unknown Device". You can get to Device Manager by clicking on Start and typing in devmgmt.msc or by going to Control Panel and clicking on Device Manager.
In that case, you should right-click on Unknown Device, click on Properties, then the Driver tab and then click Update Driver.

If this doesn't work, you can also try to download the driver for your device from the manufacturer's website. If the USB device is just a flash drive, then it's probably not a driver issue. However, if you are installing a USB printer, drawing pad, etc, then it might be worth downloading the driver for that specific device.

Method 3 - Restart & Disconnect USB Devices The next thing you can try is to disconnect all USB devices and then restart the machine. once you have restarted, try to connect the USB device that was causing the problem.
If that particular USB port doesn't recognize it, try another one. If the device is recognized by a different USB port, there could be a hardware problem with one of the USB ports. If no USB port recognizes the device, then keep reading because it's probably something else.

Method 4 - USB Root Hub Another thing you can try is to open Device Manager, expand USB Serial Bus Controllers, right-click on USB Root Hub and then click on Properties.
Click on the Power Management tab and uncheck the Allow the computer to turn off this device to save power box. If you have more than one USB Root Hub listed, you need to repeat these steps for each one.
Click OK and then restart your computer. Try to reconnect the USB device and see if it is recognized. If not, go back to the power management tab for each one and check the box again. If it does recognize the device, then leave them unchecked.

Method 5 - Connect Directly to PC A friend of mine ran into this issue and the cause ended up being his USB hub. He only had three USB ports on his computer, so he bought a hub where he could connect an additional 8 USB devices.
I guess this proved too much for his computer and it just started sporadically not recognizing various devices. After removing the hub and connecting the device directly to the computer, it worked just fine.
We haven't really been able to find any other solution to this problem other than reducing the number of items connected to the hub. Actually, one other solution worked, but it meant having to buy a new USB hub with more power.
If you are having this problem with Windows 8 or Windows 8.1, then you might be in luck. Microsoft has released a fix for Windows 8 not detecting USB devices properly. Make sure to install this hotfix if running Windows 8.
Method 6 - USB Troubleshooter If nothing has worked so far, you can download the Windows USB Troubleshooter Fixit tool. It's a free tool that works with Windows XP, Vista and 7.
You can either have the troubleshooter fix the problems for you or select the fixes yourself. I would just let it fix them for you since the choices can sometimes be confusing and technical for the novice user.
Method 7 - Update Generic USB Hub If you are getting the Unknown Device error in Device Manager, you can also try one other thing. Open Device Manager and then expand Universal Serial Bus Controllers.
You should see at least one item called Generic USB Hub. On some computers, you might see two, three or more of these. Right-click on the first one and choose Update Driver Software.
When the update dialog pops up, choose Browse my computer for driver software.
When the update dialog pops up, choose Browse my computer for driver software.

Jul 10, 2015 | Transcend StoreJet 25 750GB USB Hard Drive

1 Answer

Seagate spins up clicks spins down


First, please disconnect all USB devices and then perform the following steps:

Click "Start" button, type "devmgmt.msc" (without quotation marks) in the "Search" bar and press "Enter". Click "Continue" if necessary.

In Device Manager, double click to expand "Universal Serial Bus controllers", right click on the Host Controller, click "Uninstall" and click "OK".

Repeat the step 2 to uninstall all items under "Universal Serial Bus controllers".

Then, restart your computer and Windows 7 will reinstall all USB controllers automatically.

for xp

click start control panel administrative tools computer management device manager scroll down universal serial bus controllers you could see a yellow question / exclamation mark? ! or a red X

you will need to update/reinstall drivers

right click to reinstall drivers

if you can see your usb but its not working

ports(com&lpt)right click update driver

sometimes the wires inside the cable will be damaged due to bending or stretching or placing heavy equipment upon the cable

just replace the cable of the hard disk, when you plugged the external disk drive you got that windows could recognize the USB device change the cable everything should work fine again,

if you can see your usb drive but its not working

ports (com&lpt) right click update driver if this fails to fix the problem

check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems to a computer and its parts

if this fails to fix the problem
Downloads to Recover Your Files and Save Your Bacon and 10 Best Free Hard Drive Utilities.

Some addition links found on Google

hope this helps

Aug 20, 2012 | Hard Drives

1 Answer

My hard drive wont connect, and the computer doesnt recognize it.

hi have you used hard drive password to protect then remove the password if not then if your HDD is making lot sound and not able detect that might be your HDD is gone (HDD=hard disk).

Jun 25, 2010 | Buffalo Technology 250GB USB SATA 2.0 HD...

1 Answer

Seagate 1.5 TB Free Agent will not turn off

Definitely, You must turn off the External Hard drive when it is not in use, because as it is external and it comes with an external power supply,the power supply will not cut-off automatically when the computer is turned off.This is not the case for Internal hard drives that are built-in in the computers, their power supply will cut off automatically when the computer is shut down. You can turn ON the external HDD when ever you need, that is even when u are working with the computer and if you doesnt need the hard drive then you can left it OFF....When ever you need the hard drive, you can just turn ON...and dont unplug and plug the USB wire frequently, let it be plugged in the computer. Whenever there is a need unplug and take it away. Because if you unplug and plug it back many times, then the usb port may become wide, which results in frequent disconnection of the device that is connected to that particular usb port...
Guess it is useful....

Apr 05, 2010 | Seagate FreeAgent Go 120 GB USB 2.0 Hard...

1 Answer

Dropped it from a few inches. Computer wont recognize it. Tried hooking to my laptop, it loaded the drivers but still wont show up in My Computer.

try taking it apart making sure that the connections are plugged in
good and tight , also reboot the computer while its plugged in , if
still nothing listen for a spin up and spin down sound or a clicking
sound , the spinning up and down sound means the motor is
malfunctioning , a clicking sound means the units heads are
malfunctioning , if any of these problems exist let me know
my name is David or user name terminalcon just add attention
to; and I will help you further .

Jan 28, 2010 | Western Digital Elements powered by WD 320...

1 Answer

IOMEGA PRESTIGE 2.0 1tb HD is no longer recognized - vista

I would try to find a firmware update for the controller card on iomega's website. It has to be a disk controller if it happens here and there

Aug 30, 2009 | Iomega 33089 250 GB Hard Drive

4 Answers

Western Digital hard drive problem

Ok.  I have a WD 500 and I have ran into similar problems.  First, shut your computer down.  Unplug the hard drives USB cable and the power cable.  Wait for about 2 minutes.  Plug the USB cable into the computer, plug the power cord in...wait for 30-45 seconds and then start your computer.  That hopefully should solve your issues.

Mar 01, 2009 | Western Digital My Book Essential Edition...

1 Answer

Hard drive not being recognized

dear ramroot

enter device manager by type devmgmt.msc, select universal serial bus (USB), you can see what problem at USB, right click to conflict port delete the port who's conflict.
restart your computer.

trying to connect your ext. Harddisk again



Mar 17, 2008 | Seagate (ST3160827AS) 160 GB Hard Drive

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