Question about Buffalo Technology 320GB MINISTATION TURBO USB 2.0 5400 RPM PORTABLE HDD Hard Drive

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I can't Open my External Hard Disk Buffalo HD-PXT320U2/W-AP .. How can i solve this problem .. ?? The Interface view I/O Error Device .. Thamls for yOur hElp ..

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I/O Error Device means that the pc cannot communicate with your external HDD - either the USB cable is broken (replace it) or its control board has failed. If it's the latter then the Buffalo is dead, get a new one.

Posted on May 24, 2011

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I have had my current Buffalo MiniStation Plus HD-PNTU3 for almost about a year now without an issue or problem but recently it refuses to open on another computer while it works fine on my own. I am


The device probably can with a Buffalo utility/driver disk. The other computer will need these drivers to recognize the device. If you lost the driver disk, you can download them here: http://www.buffalotech.com/support-and-downloads

May 31, 2013 | Buffalo Technology Buffalo MiniStation...

1 Answer

Buffalo ministation hd-pct500u2 won't allow me access to it


Go Here
And you will have to download the CD image and then burn it on to a disk. This would possibly be why you can't see it in your device manager because it doesn't know what it's looking for and how to run it. by downloading, burning it, and then installing it. The computer will then know exactly what the peripheral is and how to recognize it and run it as a hard drive. I sure hope this has helped.
Thanks, Cody

Sep 13, 2012 | Buffalo Jeans Buffalo MiniStation...

1 Answer

Buffalo ministation not auto-playing or showing in my computer


i have exactly the same problem with HD-PCU2 500gb ministation (Buffalo). i have also gone through the solution given by John Adams. i cannot find the device in disk management, therefore i cannot format the device...is it going to work again..please help

Sep 03, 2012 | Buffalo Technology Buffalo MiniStation...

1 Answer

I have a Buffalo hard drive 500 gb, it has just stopped working green light comes on and it sounds like it is fireing up but stops light stays green no autoplay through my laptop I have also tried on other...


The power-supply seems OK, since you can hear it spinning, and the lamps are lit.

So, either the USB-to-disk-drive interface has failed, or the disk-drive itself has failed.

Open the enclosure, and remove the disk-drive, and connect it as a "slave" disk-drive in some desktop computer, to see if it works, when you bypass that 'USB' interface.

Jun 08, 2011 | Buffalo Technology DriveStation HD-HC500U2...

1 Answer

My buffalo external hard disk can not read since yesterday, I/O device error. previoous was working fine. Do not know why? my Buffalo external hard disk model :HD-PX320U2


it is a PNP (PlugNplay) device. Try using a different cable to connect to your pc. Should the problem remain, hook it up to a different computer and if it doesn't see the drive, it will be an electronic circuit failure inside the box. The data is still on the hhd but you will have to obtain a new circuit to bring the hhd back online for use.

Apr 13, 2011 | Buffalo Technology (HD-PE320U2/WH) 320 GB...

1 Answer

I could not dump files while it was as FAT32 format. I then formatted the HD to NTFS and the same issue persist. Now there isn't a "format" option when i load the HD. The model i have is PXT320U2


http://support.microsoft.com/kb/309000

Access Windows Disk Manager to see all the drives that are currently connected to your computer. From there, right-click your external hard drive and you should be able to reformat it.

Feb 28, 2011 | Buffalo Technology 320GB MINISTATION TURBO...

1 Answer

Every time I connect my Buffalo Hard disk (HD-PE320U2) and try copying data it shows IO device error. I don't know what to do! help me. Formatting did not help!!!!


That error signals the fact that the motherboard can't communicate properly with the controller of the disk. It's a hardware fault and it's unfixable - this disk is dead, replace it.

Feb 07, 2011 | Buffalo Technology (HD-PE320U2/WH) 320 GB...

1 Answer

When i connect Buffalo Mini Station HD-PF500U2/BK-AP to my laptop, the green signal blinks with beep sound and thereafter, the device is not detected. How can i solve this problem. I have important...


An external storage-device has four major components:

* the USB cable

* the power-adapter

* the disk-drive inside the enclosure

* the USB-to-disk-drive adapter inside the enclosure.

One of these components has failed.

Try a different USB cable.

Try connecting to a different USB port on your computer.

Try connecting to a USB port on a different computer.

Take a "multi-meter" and measure both the voltage and amperage output from the AC adapter, and compare with the specifications on the label on the adapter.

Open the enclosure, and remove the disk-drive, and then connect it as a "slave" disk-drive in a desktop computer, to see if it works at all.

Purchase a new, compatible, disk-drive, and install it in the enclosure, to "revive" your external storage device.

Get the part-number and serial-number from the label on your disk-drive, and access the manufacturer's web-site, and use "check warranty status", to see if they will replace the device, at minimal cost to you.

There exist commercial "data recovery" services that can try to repair your device, just long-enough to rescue and copy your files.
For example, see: https://services.seagate.com/index.aspx?lng=en-US for a "no data - no charge guarantee".

Nov 11, 2010 | Buffalo Technology 320GB MINISTATION TURBO...

3 Answers

External Buffalo Hard Disk 500 Gb model no HD-PF500U2/BK-AP not detecting when connnected to a laptop or a desktop PC


Check the usb port function in the computer bios settings and be sure that it is set to yes. Connect properly your external drive. If it has two wire usb connections, use both to obtain the maximum power that will be need by your drive.

Dec 18, 2009 | Buffalo Technology 500GB DRIVESTATION...

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recording from an external hard-disk to a DMR Dear Sir or Madam, I have just purchased the DMR-BST835EG Blu-Ray Recorder, which has many attractive features. In fact, I also recommended this product to a friend of mine. My prime intention is to transfer some Internet downloaded .MKV-HD and .MP4-HD movies, presently stored on a Buffalo USB-powered external hard-disk, onto the Panasonic recorder's internal (1TB) hard-disk. However, after registering the said USB-HDD on the DMR, its driver is no longer recognized on my computer...and it has to be re-formatted via the PC, with the result that the Blu-Ray recorder again refuses to copy video files from it. What can I do? This article (the DMR) was purchased, for over EUR 600, from EBay, mainly for the above-stated purpose, repeat: copying the HD films, presently kept on external hard-disks, onto the Panasonic recorder (so as to transfer the files onto Blu-Ray discs later on). Please treat as urgent, as I would like to start using the Panasonic article accordingly, and my friend also needs this information before buying the DMR-BST835EG (too). I earnestly await your reply. Thanks in anticipation for your time and attention. Best regards, Ivan Micallef P.S.: Is there some firmware update which could enable the USB-HDD >> HDD (1 Terabyte) recording ? This is an option which should be possible, also according to the DMR's "Copy Video" menu. ; According to various website blogs, many other clients are facing the same problem - what we are askingfor is for the elimination of the USB-HDD registration request. ; Preferably, the external hard-disk accepted/recognized by the Panasonic DMR should remain in the NTFS format and not changed to the FAT32 system. Thanks again.

Mar 13, 2014 | Buffalo Technology 320GB MINISTATION TURBO...

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