Question about Sony Micro Vault Classic 4GB USB 2.0 Flash Drive

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I cannot access my flash drive. When plug on it displays " USB Device not recognized" .

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Posted on Jan 02, 2017

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SOURCE: My computer wont detect my USB flash drive



i) try to put the usb drive in some other ports(such as usb port present on the backside of yur computer tower) and check whether your computer is detecting the drive.....

ii) if not there is sureluy some problem with ur usb drive, replace it  or repair it..., you can even try putting another usb drive(if you have an spare one...)

Thanking you

M. Sridhar

Posted on Dec 31, 2008

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Smartdisk Firelite model usbflb80 is not recognized on my laptop


A USB hard drive is a portable external storage device that works just like a conventional hard drive. The device is simply plugged into a USB port on your computer as you would connect a flash drive. Unlike a flash drive, however, a USB hard drive can store a much larger amount of data. If your computer will not recognize your USB hard drive, you can try troubleshooting steps to resolve the problem.

Plug one end of the USB cable into the port on your hard drive and plug the other end into the USB port of your computer. Ensure that both ends of the cable are connected securely. Or even get a usb 3 lead. USB 3 card will provide more power when needed to the device to gain maximum throughput and conserve power when the device is connected but is idling http://blog.premiumusb.com/2010/09/usb-2-0-vs-usb-3-0/ Open "My Computer" (Windows XP) or "Computer" (Windows Vista/7). The USB device should be listed as "removable disk" once it is plugged into the computer. If it is not listed among the available drives on your computer, proceed to the next step. Ensure that the data cable is working properly. Sometimes they become faulty due to overstretching age or heavy objects sitting on top of them. Try another USB cable if you have one available. Disconnect all other USB devices from the computer as they may interfere with the operating system detecting the external hard drive. Reboot the computer if the USB hard drive is still not recognized. Plug the USB cable into another USB port and check to see if the device is detected. If you are using a USB hub, remove the device and plug the external hard drive directly into a USB port. If the computer still fails to recognize the device, the external hard drive itself may be experiencing a hardware problem. Check the status of the hard drive in the "Device Manager" window. Under Windows XP, right click "My Computer" and select "Device Manager." For Windows Vista and Windows 7, click the "Windows" button in the lower left corner of the screen, then type "Computer Management" in the search bar and press "Enter." Select "Device Manager" in the "Computer Management" window. In the Device Manager window, click the "+" sign that appears beside "Disk Drives." If the external drive is not listed, click "Other Devices" in the Device Manager window and see if an "Unknown Device" appears. Windows 7 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. If the hard drive that has failed is the same one that you are trying to recover from might the reason that you are getting this error. This could be an issue where the part of the hard drive you are trying to access is corrupt and not accessible which would explain the reason that it would let you access the other partition. Now I have seen cases where Malware can break the link of a Hard Drive. So let's try a couple of steps. Let's go back in to "Disk Management" Lets right click on the partition that you are not able to access and select "Change Drive Letter and Paths" Now try selecting a new Drive Letter. This will restore the path if it has been broken. The external hard drive may have been detected but the device is not working properly. If it is still under warranty, take the device to the computer store where it was purchased to have it repaired or replaced.

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1 Answer

My buffalo drivestation external harddrive don't power up?


A USB hard drive is a portable external storage device that works just like a conventional hard drive. The device is simply plugged into a USB port on your computer as you would connect a flash drive. Unlike a flash drive, however, a USB hard drive can store a much larger amount of data. If your computer will not recognize your USB hard drive, you can try troubleshooting steps to resolve the problem.

Plug one end of the USB cable into the port on your hard drive and plug the other end into the USB port of your computer. Ensure that both ends of the cable are connected securely. Open "My Computer" (Windows XP) or "Computer" (Windows Vista/7). The USB device should be listed as "removable disk" once it is plugged into the computer. If it is not listed among the available drives on your computer, proceed to the next step. Ensure that the data cable is working properly. Sometimes they become faulty due to overstretching age or heavy objects sitting on top of them. Try another USB cable if you have one available. Disconnect all other USB devices from the computer as they may interfere with the operating system detecting the external hard drive. Reboot the computer if the USB hard drive is still not recognized. Plug the USB cable into another USB port and check to see if the device is detected. If you are using a USB hub, remove the device and plug the external hard drive directly into a USB port. If the computer still fails to recognize the device, the external hard drive itself may be experiencing a hardware problem. Check the status of the hard drive in the "Device Manager" window. Under Windows XP, right click "My Computer" and select "Device Manager." For Windows Vista and Windows 7, click the "Windows" button in the lower left corner of the screen, then type "Computer Management" in the search bar and press "Enter." Select "Device Manager" in the "Computer Management" window. In the Device Manager window, click the "+" sign that appears beside "Disk Drives." If the external drive is not listed, click "Other Devices" in the Device Manager window and see if an "Unknown Device" appears. Windows 7 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. If the hard drive that has failed is the same one that you are trying to recover from might the reason that you are getting this error. This could be an issue where the part of the hard drive you are trying to access is corrupt and not accessible which would explain the reason that it would let you access the other partition. Now I have seen cases where Malware can break the link of a Hard Drive. So let's try a couple of steps. Let's go back in to "Disk Management" Lets right click on the partition that you are not able to access and select "Change Drive Letter and Paths" Now try selecting a new Drive Letter. This will restore the path if it has been broken. The external hard drive may have been detected but the device is not working properly. If it is still under warranty, take the device to the computer store where it was purchased to have it repaired or replaced. Hope this helps.

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What type of hard drive ?

A USB hard drive is a portable external storage device that works just like a conventional hard drive. The device is simply plugged into a USB port on your computer as you would connect a flash drive. Unlike a flash drive, however, a USB hard drive can store a much larger amount of data. If your computer will not recognize your USB hard drive, you can try troubleshooting steps to resolve the problem.

Plug one end of the USB cable into the port on your hard drive and plug the other end into the USB port of your computer. Ensure that both ends of the cable are connected securely. Open "My Computer" (Windows XP) or "Computer" (Windows Vista/7). The USB device should be listed as "removable disk" once it is plugged into the computer. If it is not listed among the available drives on your computer, proceed to the next step. Ensure that the data cable is working properly. Sometimes they become faulty due to overstretching age or heavy objects sitting on top of them. Try another USB cable if you have one available. Disconnect all other USB devices from the computer as they may interfere with the operating system detecting the external hard drive. Reboot the computer if the USB hard drive is still not recognized. Plug the USB cable into another USB port and check to see if the device is detected. If you are using a USB hub, remove the device and plug the external hard drive directly into a USB port. If the computer still fails to recognize the device, the external hard drive itself may be experiencing a hardware problem. Check the status of the hard drive in the "Device Manager" window. Under Windows XP, right click "My Computer" and select "Device Manager." For Windows Vista and Windows 7, click the "Windows" button in the lower left corner of the screen, then type "Computer Management" in the search bar and press "Enter." Select "Device Manager" in the "Computer Management" window. In the Device Manager window, click the "+" sign that appears beside "Disk Drives." If the external drive is not listed, click "Other Devices" in the Device Manager window and see if an "Unknown Device" appears. Windows 7 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. If the hard drive that has failed is the same one that you are trying to recover from might the reason that you are getting this error. This could be an issue where the part of the hard drive you are trying to access is corrupt and not accessible which would explain the reason that it would let you access the other partition. Now I have seen cases where Malware can break the link of a Hard Drive. So let's try a couple of steps. Let's go back in to "Disk Management" Lets right click on the partition that you are not able to access and select "Change Drive Letter and Paths" Now try selecting a new Drive Letter. This will restore the path if it has been broken. The external hard drive may have been detected but the device is not working properly. If it is still under warranty, take the device to the computer store where it was purchased to have it repaired or replaced. Hope this helps
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1 Answer

I pulled my flash drive from its slot suddenly. When I plugged it back in, I got the message "USB device not recognized". How can I recover the data on the flash drive?


plug in your flash drive then go to device manager then universal serial bus controllers expand it ..you will see usb mass storage device right click in it and select uninstall now remove your flash drive and restart your system ..now plugin flash drive.... this time it will detect your flash drive and.. now recover your data

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1 Answer

HP Pavilion zv6000: USB ports are inop. USB port on rear of computer works fine. USB port on left/front will power my flash drive, but the light stays on constantly. The flash drive is does NOT show up in...


After reading the description, I think you need to try updating BIOS and latest device drivers for USB. Because USB are getting power on that means there would not be any fault to from the motherboard.

So please try updating latest BIOS for your notebook.
If you can provide me the product no for your notebook and the operating system which you are using currently then I can find the one for you.

Otherwise you can also do the same.

Type in the product no. on www.hp.com. Then go to software and driver download page, select the proper OS and search in BIOS ROM pack available for your notebook.

I hope this will help.

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1 Answer

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remove the USB drive, reboot your system and plug the drive in...

If system still doesn't recognise the device, update your chipset from your manufacturer's website.

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1 Answer

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Hello Sir, hi, If a PC does not recognize your external hard drive, you need first to check if the USB port is working, to check simply plug another USB device such as flash drive, if the port is fine, check to see if the USB port is a version 1.1 or a version 2.0, and look if your external hard drive is compatible or does it needs a DEVICE DRIVER, A USB 2.0 device may work on a USB 1.1, just reduced speed, and last try to see if your PC is the problem and not the Hard drive, have your Hard drive plug on another PC, visit a friend and check if you could use his or her PC to see if your hard drive is bad. Now if you find your hard drive is bad, its either the Interface circuit OR the physical hard disk itself. You can check your hard disk, simply disassemble the unit and gain access to the hard disk. either SATA or IDE, plain Hard disk plug it on your PC. see if you can access the disk. If yes back up your files. your Interface circuit at this point is bad. If your hard drive is bad, buy a new hard drive, as your replacement. keep me posted

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1 Answer

I plug in the sundisk cruzer 2.0 GB USB device and all it does is blink. It will not show up on my computer for the drive.


Hello

If the computer recognize that there is a device plugged into the system, then just try to plug the flashdrive into another port at the back of your case.

If the computer does not recognize that there is a device plugged in, there is a problem with your flash drive. It still gets power from the computer(Bliking light), but there is no data transfer between computer and flash drive.

If it is still under warrenty, send the flash in for repairs(presuming that your USB ports work), otherwise try and see if it works on a other computer. If it does, the the problem is with the USB ports on your computer. I really hope this can be of help.

Best regards
Andrea

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1.have you use other usb device also same ?????? try plug in rear port usb also same????

2.try to use you original dell cd to preloaded OS. to see usb can recognizing.if still can't may be you usb port faulty need to change motherborad

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xolani.

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