I hope someone out there can help me.
I have a problem with a high frequency noise coming out of my computer box at an extremely high volume.
The biggest problem is that the frequency is out of the range that the average person can hear.
I don't have much to go on - but I hope this information will help describe it:
Many years ago I went through the same experience with a TV set. From the first time I turned it on the screech was unbearable. I had found out then that punching the TV enough to cause vibrations would make it cease for a couple of minutes. (not a solution for the computer!)
After a year, a guest walked into my house and immediately commented on how loud that noise was. He was a computer repairman and told of how they had a computer come into the shop with the same problem; at the insistence of the secretary who was the only person in the company who could hear it. But I do not recall what the source of the problem was.
I have taken the computer to the repair shop and I requested that diagnostics be done on the hardware but since no one there can hear the sound, they feel I am simply hearing the disk drive spin. They cleaned up the fan, but the sound is still present.
I can only describe it as characteristic of a florescent light bulb that is going bad. To those that can hear it, its well described as trying to drive a car with a loose fan belt; until I can properly communicate the problem to the repair shop, the computer is unusable.
If anyone has experienced this, or knows enough about electronics to suggest where I can tell the repair shop to troubleshoot, I would be grateful to hear your comments.
I feel this question is worth more than 75 points, but that is what I got at registration, so am offering them all up.