You can use this information to give you an idea of what kind of condition your hard drive is in. 
 
CLICKING HARD DRIVE: When a hard drive begins to make a repetitive clicking sound, this means that the seek function is unable to read the platters and the hard drive heads move back into position bumping into a cushioned barrier which is intended to stop the heads from moving too far back. This is what makes the distinctive clicking sound which is incorrectly referred to as “The Click Of Death”. We have one of the best success rates for these types of situations so we don't consider it unrecoverable.  
 
WHAT NEEDS TO BE DONE?: Normally the answer is going to be to replace the heads with a new set which has been flashed to the perimeters on the original heads. Adjustments are also made on the logic board to allow smooth communication of the data into a secure storage server. These situations can rarely become more complicated with platter and motor damage, but by far most cases are considered a routine head replacement and scan.  
 


 
HARD DRIVE IS DEAD: If the hard drive is completely quiet, cold and you do not feel any sensation of gyration when you gently move it a tiny amount then this can mean that the hard drive logic board is damaged and unable to distribute power to the logic board, read write heads and motor. These situations may be as simple as a resister on the logic board that burned out, to a complete catastrophic electrical malfunction.  
 
WHAT NEEDS TO BE DONE?: Many times these situations can be resolved by simply replacing a diode or resister on the logic board that has become damaged because of an electrical surge, lightning storm or some other malfunction. Sometimes the hard drive heads, and motor are also damaged in these situations and although it's rare, needing to replace the heads and motor in these situations is not unheard of.  
 
 


WATER DAMAGE: Sometimes a small amount of water will spill on a laptop keyboard causing it to seep into where the hard drive is located, which will cause an osmosis effect to absorb the liquid into the tiny spaces where the logic board meets the hard drive body. This effect is similar to a paper towel absorbing water.  
 
WHAT NEEDS TO BE DONE?: Sometimes our industrial dehumidifier is enough to solve this problem and at other times the liquid has entered the hard drive through a small bleeder hole who's purpose is to balance the atmospheric pressure depending where on the globe the hard drive is located. It's rare but not uncommon that the logic board, heads and even the motor has received water damage that cant be repaired by simply using evaporation and parts replacement are necessary. 
 


 
HARD DRIVE FELL ON THE FLOOR: When a hard drive falls to the ground and begins to make a repetitive clicking sound, this means that during the fall, the heads were damaged and the seek function is unable to read the platters any longer. The hard drive heads fail and move back into position bumping into a cushioned barrier which is intended to stop the heads from moving too far back. This is what makes the distinctive clicking sound which is incorrectly referred to as “The Click Of Death”. We have one of the best success rates for these types of situations so we don't consider it unrecoverable.  
 
WHAT NEEDS TO BE DONE?: Normally the answer is going to be to replace the heads with a new set which has been flashed to perimeters on the original heads. Adjustments are also made on the logic board to allow smooth communication of the data into a secure storage server at our location. These situations can rarely become more complicated with platter and motor damage, but by far most cases are considered a routine head replacement and scan.