Just went to install my Win 8 into an older computer I Have, got this message "Cannot install to this disk is in GPT mode" not the exact wording. Any help appreciated. The computer is a Lenovo K450
have a read at this and see of it helps http://answers.microsoft.com/en-us/...disk-the/8fa72a3e-10c5-47da-a040-1e0db62af309 good luck