Solution to fix the USB Drive not recognized problem
USBs have surely made our lives simpler and convenient. We like plugging our pen drives, flash drives and other external devices in USB ports but there is a strange problem that happens sometimes that when we insert our USB drive into the USB port we get an error message saying “USB Drive Not Recognized”.

The error message reads “One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it. For assistance in solving this problem, click this message”. If we open the My Computer we will notice that even our drive has not been detected.
The first thing that will come to our mind is that we should try uninstall and then reinstall the USB drivers but here is the simpler solution and yes no need to edit the registry or try something in the Device Manager.
Solution for the problem:
1. The solution is just to “Turn off the computer and unplug it from the power supply” (Unplugging is necessary as today even after turning the system off, the motherboard continues to get power).
2. Let the system remain off for about a minute.
3. Restart the system and wait for it to boot completely before inserting the drive again again.
That’s it the problem will not appear again.
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October 11th, 2008 at 12:46 pm
This is only partially correct, as I have a laptop which I shutdown and disconnect from power on a daily basis. Yes, everytime I restart it the drive seems to work but if I were to unplug the drive and plug it back in the PC does not recognise it!
October 11th, 2008 at 7:17 pm
Well that may be a specific case but thanks for sharing with us.
October 30th, 2008 at 2:03 am
i have a samsung r510 laptop running vista home premium sp1 and it doesnt work for me…could someone clarify for me what malfunction in regard to hardware actually means? does it mean it wont work again or that its just a temporary operating problem?
October 30th, 2008 at 11:12 pm
hardware malfunction is not a permanent problem, but is caused due to some conflict of a software with a hardware. So u need to find the cause (the incompatible software) and remove it. It can be a RAM problem as well, so re-insert it after taking it out and cleaning.
November 14th, 2008 at 12:11 am
This does not work for the active reapeater USB cable I have connected to a machine. Worked great for more than 2 years. All of a sudden not recognized. No software was added or removed.
November 14th, 2008 at 1:35 am
Compatibility between the USB port and the USB device is also important. Both things should be of same speed.
December 18th, 2008 at 11:16 pm
i am using sonyericsson w700i mobile with my computer to access internet via usb cable .without changing software , again i install sony ericsson w200i software cd , this works properly . now i am connect my w700i mobile to phone (reinstall w200i software and install w700i software )it shows “One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it. For assistance in solving this problem, click this message” . i uninstall unknown device usb in device manager but again shows the same message . also how to remove w200i usb if it in my computer ?. is this made any problem ? plese help me
December 18th, 2008 at 11:46 pm
Try system restore to remove the drivers and then install the correct drivers. If this doesn’t solve then see official site of sony ericsson and check out the product usage guide.