5.Select HardDisk Security Setting and press Enter. Hard Disk x Password, where x is the letter of the hard disk drive.
6.Select Change HDD Master Password by using the cursor directional keys.
7.Type the current master HDP in the Enter CURRENT Password field. then leave the Enter New Password field blank, and press Enter twice.
8.Press F10.
9.Select OK in the Setup Configuration window.
Both user HDP and master HDP will have been removed.
36ThinkPad SL400, SL400c, SL500, and SL500c Hardware Maintenance Manual
