keyboard ps2 on lenovo ideapad (atom, 2gb ram) doesn't work with 12.4 and 12.10

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http://askubuntu.com – I had this problem earlier also when I installed Ubunto12.04 using wubi . I expected this to have been rectified in12.10 but alas! The keyboard goes dead as soon as the ubuntu starts booting.Please help. (HowTos)