click start control panel administration tools computer management device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red xright click to reinstall drivers or
if you can see your usb but its not workingports(com&lpt)right click update driver
if this fails to fix the problem
check usb leads for secure dust free seating
sometimes the wires inside the cable will be damaged due to bending or stretching or placing heavy equipment upon the cable
just replace the cable of the hard disk, when you plugged the external disk drive you got that windows could recognize the USB device change the cable everything should work fine again,
check the USB leads that attach to the motherboard usually red-white-green-black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems
hope this helps
if this fails to fix the problem you might have to install a usb 2 or 3 card they are cheap and easy to install you can buy these on Ebay very cheap hope this helps
click start control panel administration tools computer management device manager scroll through all of your devices
if you see a yellow question or exclamation mark ? ! or a red X you will need to update the drivers for this device right click select update driver/reinstall driver
if you can see your usb device but its not working scroll to Ports(Com&Ltd) right click to update driver
if you computer came with a motherboard disk the drivers could be on it
or you might have to download them
rather doing a driver hunt which can take hours i think the driver max should be ok
http://download.cnet.com/drivermax/3000-18513_4-10572602.html
Windows 2000/XP/Vista/7/8 free driver program
http://download.cnet.com/slimdrivers-free/3000-18513_4-75279940.html
it might take some time being a freeware driver solution
note: it will find all of your outdated drivers
this is a free driver solutions they will automatically search for and find the correct driver also at cnet http://download.cnet.com/2000-20_4.html on the home page you should see a search tab just type in what you are looking for IE: motherboard name sound drivers you might have to try a few times to get it right
http://www.innovative-sol.com/drivermax/ free program, paid update available
hope it helps
Restart your computer now as soon as you hit the power button keep on holding Alt key & keep on tapping F10 key Alt+F10 it will open the recovery console select full factory restore and follow on screen instruction
this may vary depending on your computer and operating system
(Note:this will erase all datas on the computer)
or you might try
Restart your computer during the boot process you will see on the screen to press a certain key to enter setup
Press and hold that key during the boot up process to enter BIOS using the arrow keys you can load failsafe defaults or load optimized defaults ,press escape then press f10 to save to cmos to restart You will also need to set the time and date
hope it helps
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