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Re: does not recognise usb
Sounds like your usb board has burned out. Maybe the flex cable has just came loose from the MB. Here is a site I use when repairing Toshiba laptops. I hope it helps. Good luck and have a good day. http://www.irisvista.com/tech/
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If these drives are internally powered by the USB hub, two devices will not be recognised. ie: you can have as many pendrives as you like and they will be seen, because they draw little power from the hub, however, a larger external hard drive requires more power (some of these in fact have two usb connectors to power them). which is why your laptop will only recognise one drive at a time:
Solution: If you can get an externally powered usb drive, this should work.Another and possibly cheaper way would be to get an externally powered USB hub, which would solve the problem
External hard drives connected to the USB port do not require any additional drivers for WIN XP, Vista or Win 7. If it is not being recognised at all then the USB converter inside the box is faulty. If the PC recognises the USB converter but not the hard drive then the hard drive may be faulty.
1. Try it on another computer
2. the external hard drive controller board gave out you can buy a new encloser from like frys.com,tigerdirect.com and have the hard drive put in that.
3. if it works on the other computer then its your usb ports on your laptop not giveing %V of power thus you would need a HUB to amplify that power.
It appears that your #2 hard disk has died. To test if it is faulty, remove the #2 drive and connect it to an USB hard drive adapter and plug it into the USB port of a working computer. If the computer see it as an external USB drive and you can see the folders and open the files, then it is OK and the fault is possible the disk controller.
If the hard drive is not recognised then it is faulty and needs to be replaced.
did you try AVG sometimes some of the orther software or i call dormit mcfee or norton doesn't seem to catch all the virus that are hidding behind your windows applications try it and get back to me lala linda
Often this is an electrostatic charge problem on usb hub. To solve it: On PC disconnect power cable for 30 mins or so from power outlet. On laptop, disconnect from power and remove latop battery for 15 mins or so. If it still does not work, then it may be faulty root hub on motherboard.