it's very simple to fix...follow this steps.
1. Attach old drive into lappy.
2. Attach new drive to external Casing and formate it. Now boot and start disk cloning utility. My advice will be to use http://www.runtime.org/driveimage-xml.htm
3. Now create a image of (Not direct clone) of your...
Two possibly.
1. Hardware issue. (USB Not working)
2. Operating system issue.
Now if it is a OS problem than it's very hard to find the problem and fix it. It's searching a pin in sea. You will end up searching for solution and waste hrs and hrs of time. My recommendation will be to re-install...
ok can you tell me what was the system confi and operating system on which you have tested it? Also provide me the model number and chip number (if you can)
One possible solution to this problem is that to tack out the hard disk from casing and replace the casing. There are a great number of chances that your casing is not working/malfunctioning. Its a quick (and chip fix). Try it....