DO NOT open your hard drive and expose the media!!! There is nothing inside that needs the attention of a common user or do-it-yourselfer. Only a qualified hard drive data recovery engineer in a certified clean room environment should ever open a drive.
DO NOT try to swap circuit boards on modern drives. There may be firmware/system area conflict issues that may cause major problems.
DO NOT put your drive in the freezer and then try to spin it up. It is possible that moisture has condensed on the media surfaces. This WILL cause head contact if it has and will destroy the drive.
DO NOT listen to your friends or continue to look for home remedies on the net such as the one mentioned above, seek professional help if you value the lost data.
DO NOT continue to power cycle a clicking or non-responsive drive; it’s not going work for you and may make the drive unrecoverable. If it should come “ready” by some chance, the possibility of it loading the OS for you, “just one more time”, is a million to one.
DO NOT install recovery software on the same drive/partition that you’re lost files are on, you will overwrite them with the installation.
DO NOT run the recovery CD/DVD furnished with your PC mqwrecz. Most OEM helpdesk techs Don’t care about your data; they only want the hardware back on line.
DO try to slave your drive into a working system to check for readiness and file system integrity look at more info. You may be able to copy your data with no problem if only the OS is corrupt or if there is a hardware issue with the original host computer.
DO try an undelete demo from the net to see if what you’re looking for is available for recovery, if so, purchase the tool.
DO seek professional help if you’re not 110% sure of what you’re doing. You can learn basic recovery procedures on an expendable system.
DO back up your data early and often. It’s not if, it’s when.