Have you lost critical business information, personal pictures or memories due to a hard drive crash or other circumstance? In most cases if you have not planned ahead with back ups, your data can still be recovered.
If your computer is unable to startup, has blue screened, is making noises or clicking these can be signs of hard drive failure. Turn off your computer immediately to eliminate further damage and ensure a greater likelihood of successful recovery. Do not turn your computer on again until you have taken the hard drive in for diagnostics.