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Grub Error 21


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ok so i run ubuntu on my netbook. i put the .iso of BT4 onto a USB drive ran that then installed BT4 onto an SDHC card. at first it wouldnt boot the SDHC card but then for some reason later when i tried it did. but now when i try to boot into ubuntu i get grub error 21.

i search all over the interweb an this seems to be the best result thats close to my problem.


so i couldnt do it from the ubuntu live cd for some reason it wasnt working. but if i try it from BT4 booted from the SDHC card it seems to work. but then when i restart i still get grub error 21.

please help before i get fed up an reinstall ubuntu and loose all my stuff.

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