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Windows 8 not showing in Grub fdisk -l

Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1  1465149167   732574583+  ee  GPT  

and here's what I see in gparted which the 290gb and 221gb partitions are my partitions I had in windows.

enter image description here

I have already tried sudo update-grub and update-grub2 but it doesn't show up.

share|improve this question
It's Kali Linux btw. – user3610137 May 9 '14 at 4:05
Is your PC booting both OS successfully? – Stark07 May 9 '14 at 10:24
no. I can't see win8 in grub to boot it. – user3610137 May 9 '14 at 14:44
What was your setup originally? Was Win8 pre-installed? Is your system based on UEFI? – Stark07 May 9 '14 at 14:54
Yes. came with win 8.. turned of the secure boot and switched to legacy. – user3610137 May 9 '14 at 20:42

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