I forgot my password for my buffalo hd-pntu3 what will i do i don't want to delete my data

Download the

HDD Unlock Wizard HDD Unlock Wizard v4.2 http://www.filebuzz.com/publisher/download.php?id=98078

HDD Unlock Wizard is a window based utility.

It works as a new life for your locked hard disks, as it is competent to unlock almost all hard disks of major brands available in market.

Its proprietary unlocking algorithms can remove any unknown HDD password and you do not required to give any hint of password as it is not working as a normal password cracker tool.

Removal of a HDD password is a slow process and total time required to remove HDD password is depending on the size of the hard disk and type of hard disk.

A small 2.5" notebook hard disk takes more time as compared to normal Desktop hard disk.

Presently it supports IDE and SATA hard disks.

hope this helps

also you might try

http://download.cnet.com/siw-portable/3000-2094_4-75449686.html

Software Inventory: Operating System, Installed Software and Hotfixes, Processes, Services, Users, Open Files, System Uptime, Installed Codecs, Software Licenses (Product Keys / Serial Numbers / CD Key), Passwords Recovery.