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Why does my computer fans make a "whir" sound?
I also turned off my computer & the fans were still on, but the lights on the fans were flickering. Why? Could there be wires loose? But also when I turned it on it made a beep sound. Then a couple minutes later it made another beep sound. Why? I was also on it & then it turned itself off. Why? Could wires also be loose? Then I turned it back on. Any help from a techy would help me. Thanks.
2 Answers
- Anonymous1 decade agoFavorite Answer
the noise your fan is making could mean that the motor in it is going bad, as for it still spinning while the computer is off is beyond me. your computer randomly shutting itself down, could be several things, but the 2 main things are overheat and bad power supply. When you turn on your computer, EVERY computer makes a 1 short beep sound, if you hear more than 1 beep then your computer is saying" hey , somethings not right, i need help" here is a list of the beep codes for your computer
No Beeps - No Power, Loose Card, or Short.
1 Short Beep - Normal POST, computer is ok.
2 Short Beep - POST error, review screen for error code.
Continuous Beep - No Power, Loose Card, or Short.
Repeating Short Beep - No Power, Loose Card, or Short.
One Long and one Short Beep - Motherboard issue.
One Long and Two Short Beeps - Video (Mono/CGA Display Circuitry) issue.
One Long and Three Short Beeps. - Video (EGA) Display Circuitry.
Three Long Beeps - Keyboard / Keyboard card error.
One Beep - Blank or Incorrect Display Video Display Circuitry.
Source(s): http://www.computerhope.com/beep.htm - Anonymous1 decade ago
Maybe the computer's overheating?
It never hurts to make sure everything's connected properly though. You could probably dust out your computer while you're at it, if you haven't done that in a while.