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Possible Duplicate:
How do I make Windows 7 boot further than a blank screen with only a mouse cursor?

Once i tried to re-install Windows 7. I formatted C drive, during installation system was hanged during the step "installing updates". then i cancelled the process. When i tried again, after booting from CD a black screen with a mouse pointer appears. No further progress. The mouse pointer can be moved. I tried with some other disks also. I tried with installing ubuntu also. Even though similar condition.plz help...........

I cannot install an OS

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marked as duplicate by Tom Wijsman, random Aug 11 '11 at 13:33

This question was marked as an exact duplicate of an existing question.

    
Try installing Linux. You might get lucky and it'll work for you. – digitxp Aug 11 '11 at 12:48

In the similar situation I have to make clean install after 1 week fight. You can tray to press "windows button +P" to check if the OS is working behind the black screen. I even tried to replace the file that is executed when you press "windows button + P" with explorer.exe but without success. So my opinion is - start with clean install. Before that copy or rename "users" directory, so you can later copy your profile on the new system.

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The thing is I cannot access anything,not even an interface. The startup itself is leading to to this black screen. No OS............. Nothing is coming other than this screen. – akb.zak Mar 18 '11 at 8:19
    
C: DRIVE IS FORMATTED – akb.zak Mar 18 '11 at 8:30

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