hello guys pls hlep me to fix my laptop dell latitude 2120 coz he is not ditecting my hard drive igot this problem when my sister drop on the bed not so high but when i strat to use is telling that he is not ditecting hard drive and i follow what command tell he said press f1 or f2 to f5 but still same result hard drive problem and when i go to dell service shop they told me change the hrd drive but they did not do any check or open the consule hard drive so maybe the hard drive is loss only. i hate that dell shop thene they told me the price of repairing is 200 us dollar very expensive so that whey im here asking help maybe some body can give me a good intruction to fix this matter,