key not working :(

hey frnds…..i m faced wid d problem tht d ‘h’ key of my acer laptop is not working….i’ve gone through the previous posts n hv concluded tht thr’s no software problem, its probably a hardware one…so wat can b d solutoin to tht n in case not nythin doable thn is thr a way whri can change the functioning of a rarely used key like “tab” to type an ‘h’ instead…(plz help…believe me typing n h using ctrl+v everytym is nt easy n i dintknw h was such an important alphabet!)