Downgrade to Windows 7 computer Vaio laptop, can't find hard

I have a Sony Vaio model SVT13124CXS and followed all the instructions to upgrade to Windows 7, but in the window to select the disc to install Windows 7 there is no hard disks in the list.

Followed instructions:

(1) https://us.en.kb.sony.com/app/answers/detail/a_id/37582/p/48903, 49902,71318, 71333/c/65,66/kw/Windows...  (how to move to Windows 7)

2) http://esupport.sony.com/US/p/support-info.pl?info_id=1313 (Windows 7 clean install) - this is where I'm stuck, cannot select the drive to install Windows 7, the list is empty.

It seems that the key bootable USB that you use is not compatible legacy mode.

You have any windows media use alternately?  Or, have you try to start the pen in UEFI mode?

I have this will increase to engineering for other suggestions.

Tags: Sony Computers

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