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Saturday, January 29, 2011

How to fix USB device problems

Nowadays, most external devices are conveniently connected to a computer using the USB ports.eg USB keyboard,USB mouse,memory stick,external harddisk,USB modem,flash disk,playstation devices etc. Some USB devices like flash drives should only be removed after stopping it, otherwise the USB device may be damaged and data lost. It is recommended to connect USB to the ports using USB cables; otherwise forcing USB to the port will cause USB damage. Some times, the USB device is not recognized by the computer due to a number of reasons.


How to fix USB device problems :
1. Check if the USB device is properly connected. Many times, if the contact between  the connectors is even slightly lose, the device may not be detected. Check if  the internal connectors to the motherboard are fixed properly.
2. Many USB devices work on the computer power supply, but a few have a separate power supply. In such cases, ensure that the USB power supply is switched on after making suitable connections.
3.Device drivers are usually provided separately on a CD, though some USB devices work with the default drivers available with Windows. The device drivers must be installed on your computer . Check for the latest versions of device drivers on the manufacturers website. Also ensure that the latest device drivers for your motherboard are installed.
4. Uninstall the USB device through device manager.  Switch off the computer, unplug the USB device  Check if the latest device drivers are installed and and  restart the computer. Windows will automatically install the device drivers. Connect the USB devices again.
5. Many times USB devices, especially pen drives are faulty. In such cases, get a new device as a replacement from the manufacturer, if  the product is under warranty.
6. Try connecting the USB device in Windows Safe Mode. If the device works properly in safe mode, but not normally, there may be a problem with some software installed on your computer.
7. Some times, you may have USB 2.0 hardware ports which are detected as USB 1.0 because of the Operating System Installed. Windows XP supports USB 2.0 only from Service Pack 1 onwards, so for older versions of Windows you may face this problem.
8. If the screws or internal adhesives detach and the USB nose plays in and out (loose). Then attach the USB to a USB cable permanently. You can also open up the flash disk and add more adhesive or tighten the screw.  Avoid using much force when plugging in USB to the computer Ports.
9. Run antivirus scan every time you connect a unfamiliar flash disk to your computer. It may have a virus or malware. you can get free anti-virus now.
10.Use Data recovery software to get lost data from your USB drive.

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