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Usb not detected when trying to scan

I tried to reinstall but now the device manager does not recognize any device. what next?

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Try to download usb driver for your windows, it is universal driver for all computers.

Posted on Sep 30, 2009

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Usb not recognized


1st You download Webcam Driver.
Usb not recognized
After this install the Webcam driver in the system.
Installation of Webcam Driver
Go to the control panel
Click on the System Icon
Click on the Hardware Tab
Click on the Device Manager s
Select the Unknown Device or printer device where yellow Question Marks sign on it.
Right click on it and uninstall it.
After this go to the top of the device manager and click on scan for hardware changes.
Driver installation Wizard start.
Brows Your Driver from the Hard Disk and click on next.
Driver will be install.

Jan 03, 2013 | Computers & Internet

1 Answer

What can i do? my jetFlash V85 is unknown


Connect your flash drive to your computer using an available USB port.

If your flash drive is not recognized, you'll usually receive an error that says "USB Device Not Recognized."


Click "Start" > "Control Panel" and open the system configuration by double clicking the "System" icon.


Navigate to the "Hardware" tab and click the "Device Manager" button to open the Device Manager.


Click the "+" next to "Disk Drives" and locate your USB flash drive.

A question mark icon should be shown to the left of the label.


Right-click the device name and select "Uninstall."


Open the "Action" menu at the top of the Device Manager and select "Scan for hardware changes."


This will scan your PC for any new devices.


Because you uninstalled the flash drive, it will be detected as a new device and the drivers will be reinstalled.


Click "Start" > "My Computer" and look for your flash drive.


If this process was successful, your flash drive should now show up under My Computer as a storage disk.


If its listed as an unknown device

Then right click on your flash drive select rename


Hope this helps




Nov 08, 2012 | Electronics - Others

2 Answers

Hi, I try to plug my MP3 into one of my USB ports. Doesn't recognize it. 'Removable Disk (H:)' comes up in 'My Computer', but soon disappears.


There is a problem with your USB port
you should try getting them fixed which is a tough job, but you can try plugging your removable media into another USB port like USB ports in backside of the cabinet.
If you don't find any problem with your USB device then you must have been having problem with your Removable Media (Mp3)
If your MP3 Player is under warranty period then you can look for its repair (can be done if its out of warranty too, but it will charge you extra)
Solutions To work around the above issues, one of the below solutions could prove helpful:usb-device-not-recognized.jpg
  • Unsecure or Loose Connection
    Unplug the presently connected USB device (if any). It is quite possible that the connection is not secure and has become loose. Re-plug the USB device tightly and firmly into the USB port. This is one of the most common reasons for an error in detecting a USB device.
  • Scan for Hardware Changes in Device Manager
    Use the Device Manager to scan for new and recently installed hardware. From the Start menu, select the Run option. In the pop up box, type in Devmgmt.msc and then click Ok. From the Action menu, click Scan for hardware changes. This will make Windows scan & recognize any new devices that are installed. Now, close all opened device managers and control panels. Now, follow the above step and see if your computer detects the USB device.
  • USB Power Management
    Disable power management of the USB hub. To disable the power management on the USB hub, follow these steps; Click Start, and then click Run. Type devmgmt.msc in the popup box, and then click Ok. Expand the Universal Serial Bus Controllers' node, and then follow these steps for each USB Root Hub that is listed. 1. Right-click the USB Root Hub and then click Properties.
    2. Click the Power Management tab.
    3. Click to clear the Allow the computer to turn off this device to save power check box, and then click Ok.
    Note: If you perform the following procedure on a laptop computer, you may reduce the battery life.
Sometimes, simply unplugging the USB device and turning off the computer for twenty minutes and then restarting may solve the issue. If none of the above options have solved the problem, check the manufacturer's website for new driver information. It is possible that your drivers need to be updated. There could also be a possibility of hardware failure, which needs to be checked by a hardware expert

Aug 11, 2011 | HP Pavilion Slimline s3407c Desktop,...

2 Answers

Micorsoft Windows Fax and Scan has stopped working. > A problem caused the program to stop working correctly. Windows will close > the program and notify you if a solution is...


If if was working properly in the past, the problem is usually due to the device (your scanner, fax or camera) has somehow come unplugged from it's USB connector and Windows no longer "sees" the device. Try powering OFF the unit, unplug your USB cable from it. then power OFF your computer. Now, power ON your computer, log into Windows. Next, plug your scanner/fax/camera into an available USB port. WATCH to see if Windows detects the device. IF it does, attempt to scan an item... it should start the Scan/Fax wizard.
IF it does NOT recognize the unit or start the wizard, I would look to remove the device from Device Manager and try again.

Mar 09, 2011 | Computers & Internet

2 Answers

When i plugged my pen drive (Kingston DT2.0, 4gb) to my PC. It says "The device is not recognized....etc." and when i download the software "Driver Boost" and install for updating driver it also say error....


try to see if it is recognizable in another computer ..THis way you will know if it is damaged or not..and if it is seen proper in another machine ...than your operation system is lacking some drivers or is damaged by a virus ..and the easier way to fix it is to reinstall(repair) the operation system ...BUT , do not do it until you are sure that in another computer works fine..

Oct 23, 2010 | Computers & Internet

1 Answer

My kingston 2 gb flash disk is not recognized, how can i fix it?


Please follow the below steps to fix your problem

1
Connect your flash drive to your computer using an available USB port. If your flash drive is not recognized, you'll usually receive an error that says "USB Device Not Recognized."

2
Click "Start" > "Control Panel" and open the system configuration by double-clicking the "System" icon.

3
Navigate to the "Hardware" tab and click the "Device Manager" button to open the Device Manager.

4
Click the "+" next to "Disk Drives" and locate your USB flash drive. A question mark icon should be shown to the left of the label. Right-click the device name and select "Uninstall."

5
Open the "Action" menu at the top of the Device Manager and select "Scan for hardware changes." This will scan your PC for any new devices. Because you uninstalled the flash drive, it will be detected as a new device and the drivers will be reinstalled.

6
Click "Start" > "My Computer" and look for your flash drive. If this process was successful, your flash drive should now show up under My Computer as a storage disk.

Hope the above information will be helpful to you.
Thanks.

Oct 22, 2010 | Kingston (DTIU3/2GB) 2 GB USB Hard Drive

2 Answers

I have an ACER TravelMate 2355LCi Laptop. It has 2 USB Ports in the rear and 1 USB Port on the left hand side (if you are facing screen). None of them work. Are thre any drivers that can be downloaded for...


Hi!

What you could do is first check in the device manager. Go to control panel and click on system. From there on the top click on hardware. Then click on device manager. Look for any icons that would have an X, ?, or ! on it. If they do right click then click update.

If that still does not work go this page
http://tinyurl.com/acertravelmate2355drivers

and download all the drivers including the chipset and reinstall them.

I hope this helps.

Jubert

May 18, 2010 | Acer TravelMate 2300 Notebook

2 Answers

USB not recognized during printing and scanning


Some motherboard or operating systems have problems if you leave usb devices plugged in. They don't recognize that the device is still there and ignore it. These are referred to as "Legacy USB devices". There are a couple of things to try.

Make sure the problem isn't the printer if you can. If you have another computer just plug it in long enough to for the operating system to recognize something has been plugged in.

On this computer giving you the problem. unplug the usb cable and insert into a different USB port. Usually this is enough to "fix" it and make it usable.

Next is to unplug the usb and reboot the computer a few times. Then insert into a different usb port.

Past this point if it still isn't working then you need to go to control panel-system-hardware manager-usb devices and delete all entries under the usb header. Then reboot. This forces the operating system to find all the usb ports and reinstalls the drivers. Then plug in the usb and it should work again.

Oct 23, 2009 | HP Photosmart C3180 All-In-One InkJet...

1 Answer

My laptop doesnt detect USB Pen drives (sony vaio VGN-FJ 270)


Go to start->control panel->system->hardware->device manager. Expand Universal Serial Bus controllers. Right click on every USB root hub and select uninstall option. They will be reinstalled on next restart.
After that plug USB pen drive to usb port - go to start->control panel->system->hardware->device manager. Click Universal Serial Bus controllers then click on Action tab (the one at the top of Device manager window and select scan for hardware changes.
If that will not solve the issue try different USB port.
Make sure you have latest service pack installed so Windows would install proper drivers for the device.
Let me know if this is not solved

May 26, 2009 | Sony VAIO VGN-FJ270/B Notebook

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