I have an Acer Aspire 1,Model #ZG5. When I turn it on it goes straight to a screen ,That says Hard disk Security . and under that it says Primary Master WDC WD1600BEVT-22ZCTLock.Then when I hit enter it says please input password for WDC WD1600BEVT-22ZCT Then when I tried several times ,it says enter Unlock Password(Key:84575529). I tried using that as the password no workie .
Please Please Please can anyone help me out here .
TY TY TY

Please can anyone tell me how to reset the bios\HDD password for my Dell E6420,service tag 39FLJS1
Thank You!