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What's DOS?
Posts: 2
Registered: ‎12-03-2012
Location: alhambra
Views: 10,854

can not install windows 7 for Z580, access denied.

I got my new z580 last week. It comes with windows 8.


I need to downgrade the system to windows 7.


I tried serveral windows 7 disk with difference edition.

Always got error message upon start the laptop :  image failed to verify access denied.


Need help.


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