I installed newly purchased WD 1 TB internal HD (WD 10EZEX) in my windows 7 x64 without using WD alignment tool. Now can i ran WD alignment tool for my WD 10EZEX without losing my data. Is it possible at current status of my HD ? Also, Is there any other tool available to improve the hard disk’s pe…

Hello, I suggest you take a look at the link below. Hope it helps. How to use the Acronis Alignment Tool to realign an Advanced Format drive