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I am a newbee to Ubuntu. Well this might happen to be a repeated question of a sort but I would like to ask it here as I could not find the answer for my exact case.

I am trying install Ubuntu 12.04 LTS on my new DELL INSPIRON 5520 which came with a pre loaded Windows 8 but some how it was not getting completed. At last after reading different blogs and forums like this, i could finally install it (i could run thru the process) and Installed Ubuntu on my machine. But now the problems are,

a. When I start my laptop sometimes I see the grub but it never displays existing Windows 8. To make something clear here, while installation Ubuntu didn't detected the existing Windows 8 OS but I still went ahead and installed it. The GNU/GRUB location is in the separate partition of Ubuntu. How can I get the entry of Window 8 in the GRUB?

b. Ubuntu doesn't boots giving different errors each time.

c. If I want to remove Ubuntu, How can I remove it now and at least restore the old Windows 8 booting?

So apparently I am not able to boot my machine in the normal way as there is no windows entry in the grub and Ubuntu doesn't boots..... :(

Can anyone please help me out here....

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Are you able to run a live? ( help.ubuntu.com/community/LiveCD ) –  PeppeDAlterio Sep 16 '13 at 13:54

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