Adding third drive (internal hdd) in addition to SSD (Win 7) and external hdd (Linux)

rangpuriya

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Jul 4, 2010
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I've installed Win 7 on internal 128-gb SSD; Next I've installed Ubuntu 12.04 on 1 TB external HDD with dual boot. Now I want to add one 1 TB internal HDD and install Ubuntu 14.04 on it with dual boot. I've no need for Ubuntu 12.04. How to proceed?