xreiazomai sumboulh. agorasa ena acer aspire 4751 g me windows 7 64bit, kai epeidh m etrwge polu ram evala ta windows 7 ta 32bita.omws me to format den m vgazei tis eikones otan pataw px caps lock, h allazw ton hxo ,h energopoiw to wirelles. me ta 64 m kathe fora pou pataga caps lock ktl mou evgaze mia eikona kai me enhmerwne an exw kefalaia h oxi. gnwrizei kapoios pou mporw na vrw ton antistoixo driver?????