Question about Dell Inspiron 6400 Notebook
I'm woking with windows vista Suddenly my laptop not recognized my USB flash memory my usb flash memory is working on another computer and also my computer recognize ather usb device like mouse, scanner, webcam, digital camera ...only my usb flash memory is not recognized on my laptop My flash memory is working on another computer I'm testing the below description but it not working Insert the usb flash memory. Goto desktop, right-click my Computer, click Properties, click on Harware tab, click Device Manager button. Showing Unknown Device Right-click and select UnInstall. Reboot my laptop Insert the usb flash memory. But not working My laptop not recognized the USB Flash memory, but it recognized other device like the mouse, webcam scanner, digital camera ... My flash memory is working on another computer Have you any serious solution please?
You mentioned that you uninstalled the unknown device from the Device manager. If you uninstall it then connected your usb flash drive you will see an error again on your device manager. This means that the driver for your usb port is not properly installed.
To install it, visit dell website, look for the model of your machine and locate the driver, download it then install from your machine.
Posted on Jun 02, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Apr 20, 2011 | PNY Optima 2GB USB 2.0 Flash Drive - Dark...
Simply UNPLUG YOUR COMPUTER FROM THE POWER SUPPLY.
Yes that's it! Note that this does not mean just turning off your
computer because modern computers don't really turn off when you press
the power button as the motherboard still gets power.
First to explain, the motherboard is where all of
hardware of the computer is connected to, including the USB ports.
Sometimes the motherboard needs to be "rebooted" also because something
can go wrong, i.e. all your USB ports suddenly stop working. The small
microprocessor on the motherboard will reload the drivers and your USB
ports should be back to recognizing all devices!
So first turn off your computer using Shut Down or
pressing the power button and then UNPLUG it from the wall outlet. Let
it sit for about a minute and then plug it back in.
Hope this helps someone fix that pesky "USB device not recognized" Windows error!
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