If the noise is a high pitched hum first make sure it is coming from the PC rather than some other device. Just turn everything off except the computer (including turning off the monitor) and see if the noise goes away. Now if you still hear the noise, turn things back on and turn the pc off for about 30 minutes. Then turn it back on. If the whistle is not present at the start but takes a bit to start -- a minute or two or more -- it is probably heat related. If it is immediate, it is probably due to some hardware failing.
If it's a heat problem and you can, turn the system off, remove the side of the computer and run it that way. If the problem goes away (and stays away) then take a can of compressed air and blow out all the dust and dirt you see in the box (again, turn it off when you do this) close it back up and test. If it doesn't go away, the problem may be more serious, needing attention by a qualified technician (to at least change the heat compound on the CPU and other places).
If the whistle is immediate and you are comfortable with it, put your finger in the center of each of the spinning fans to temporarily stop them. Stop them only for a second, not for more. If the whistle stops have that fan replaced. Finally, if the whistle is almost immediately apparent when you start the system then it is usually coming from the either the power supply or the hard drive. A replacement power supply should cost about $40. In most systems they are easy to change so it may be something you could do yourself. We charge $49.50 for the labor, just to give you a rough idea. If changing the power supply doesn't do the trick it's probably the hard drive. So back up your stuff and take it in to be redone....Hard Drives are generally around $70 and labor to redo the system $100.
Feb 11, 2014 |
Microsoft Windows XP Home Edition