step 1. find a identical notebook hdd as the locked hdd .
step 2. select the not locked hdd ,enter pc3000AT->"set password " set a easy remembered password such as "123456",then power off and power on.
Step 3.select pc3000AT->"unlock disc ", input a wrong password .you will see :the operation was not successful.
Step 4. select "sleep "to let hdd in the state of sleep,the hdd is spind down.
Step 5.put down this hdd’s board and exchange it to the platter of locked hdd.(remember the power is still on)
Step 6. select “unlock “. input the former password “123456” Then it shows”the operation was successful” then select “ clear password”.
Step 7. change the orginal board of each hdd.

the locked hdd will ok in most of time

it does not work