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Question

Dual Boot a new Win 10 laptop with Win 7 ?

Mar 22, 2018 9:38AM PDT

Hi, I just bought a new Lenovo Thinkpad equipped with 2x SSDs and 1x HDD each 1TB. It is preinstalled with Win 10. Upon launching Disk Management, the Volumes are as follows:

Disk # / Volume / File System / Status / Capacity / Free Space
===========================================================
Disk 0 / Data (DHappy / NTFS / Primary Partition / 953.74GB / 953.49GB
Disk 1 / Partition 1 / - / EFI System Partition / 260MB / 260MB
Disk 1 / Windows (CHappy / NTFS / Boot, Page File, Crash Dump, Primary Partition / 952.62GB / 882.96GB
Disk 1 / Partition 4 / - / Recovery Partition / 260MB / 260MB
Disk 2 / Data (EHappy / NTFS / Primary Partition / 931.39GB / 931.14GB

My first question is why the difference in capacity (953.74GB, 931.39GB) between disks 0 and 2 (volumes D: and EHappy although both are 1TB and empty?

My second question is, how can I install Win 7 Pro using USB Flash Drive to my 2nd SSD labeled Disk 0 - D: while being able to share Disk 2 – E: for data between Win 10 and Win 7?

Discussion is locked

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Clarification Request
This has some prior discussions.
Mar 22, 2018 9:40AM PDT

Are you sure your model has drivers for everything for Windows 7. I can't guess why W7 but it would be best to run it in a VM like VirtualBox since you could lose days trying and failing to get W7 working right.

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This has some prior discussions.
Mar 22, 2018 9:50AM PDT

Yes the Lenovo website has Win 7 drivers for my P71.
I honestly do not know what is VM or VirtualBox is? Will try to google them but if you have any links, I would appreciate it.

Edit: Upon reading about VM/VirtualBox, I still prefer the old dual boot method.

Post was last edited on March 22, 2018 9:59 AM PDT

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Then you should install Windows from oldest to newest.
Mar 22, 2018 10:48AM PDT

To add W7 after W10 has ruined many days for folk. There are articles on the web about this so I stop here.