07-14-2013 02:03 PM
You probably need to format the new HDD - try the following.
Go to the Desktop. Hold down the Windows Key and press R. Into the Run Box type compmgmt.msc and hit enter. Click Disk Management in the left pane and let the drives load up. Right click on your new HDD and select Format to start the Wizard. Windows will assign a Volume Label so if your happy with this, just leave the default one. File system is normally NTFS. Allocation Unit Size should be left as the default value. Select the option to perform a Quick Format if it is not already selected. Leave any other settings as default and click Ok and Ok again to start the process.
When this has completed, your new HDD should now appear when you look under Computer.
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Microsoft MVP - Windows Experience