Noise Coming From Computer

What's That Noise Coming From My Computer?
By John Dow

That’s usually how it starts. You hear an unfamiliar noise when you turn on your computer. Or, you may be working along and all of a sudden, your computer stops responding. Most people just ignore either one of these signs that something is amiss. They reboot or ignore the noise.

And therein lies the biggest problem. If the user immediately backs up all critical data when these events occur, replacing the component (there’s only a few components with moving parts on a computer – the power supply fan and the hard drive are the two major suspects when odd noises occur) is just time consuming. But if the user fails to heed these signs, then the real fun starts. Recovering data from a damaged drive is not for the faint at heart. Now if the drive is just corrupted, then there several ways to recover the data with software utilities. But our discussion today is about physically damaged hard drives.

The first question I usually ask on a service call (I run a computer service company) is do you have current backups of all your data? When they say no (about 75% of the time), the first thing I do is either instruct them on how to backup or if I’m onsite I do it for them. Once there is a verified backup of data, the rest is easy.

A qualified technician has about a 98% chance of retrieving data from a hard drive if there is no physical damage. A normal user with some help (info, tools, or both) has about a 90% chance. But depending on the situation, it can be very frustrating and time consuming. However, if there is physical damage, forget it. Unless the data is worth $1000’s, don’t bother since that’s what the bill could be to recover the data.

Soapbox on. Before I get into the troubleshooting aspects, let me impress upon you the importance of having current backups of all of your data. If you have current backups, no computer problem will cause you permanent damage. The best defense against computer failure of any kind is backing up your data on a frequent basis. The way I approach it is that if I’ve spent over an hour working on some project, I backup as soon as I finish. I’m lazy, I don’t like to do anything twice, so I backup often. OK, I’ll get off the Soapbox now.

Depending on what you do on your computer (and what you store there like photos, movies, financial data, etc.) backing up is the best way to protect yourself. There are so many easy ways to back up these days there is absolutely no excuse for not doing so often. USB memory sticks and drives, DVD and CD writers (although there has been a lot written lately about both of these media not being reliable for more than 2 years), even 1.44 disks can be used if you have the patience and individual files can fit.