Speakers make chirping sound

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Hi All,

I have an Acer Travelmate 220 which is making a continuous chirping/clicking sound from the speakers even when the volume is turned totally off.
It starts as soon as I boot the machine.
The problem started when the machine overheated (it's that hot in Africa).
It just rebooted and showed a brief (.5 sec) blue screen/dump before starting up.
I shut it down and let it cool and when I next started it the sound was there.
It's been there for the past three-four weeks and is driving me crazy.
I don't want to disconnect the speakers, are they fried for good?
I also have a Dell needed a bios password, but alas, that's another story.
Any and all help will be appreciated.

Farai (farai at farai dt co dt zw)
 
Unfortunately, it making the niose the moment it starts up probably means the built in sound card has fried!!!!
 
I have no idea how expensive laptop repairs are in Zimbabwe but i know they are expensive here in the UK!!!!
 
You could try and reinstall the sound driver. There are external USB "sound cards" available for laptops, but if your on-board sound is fried these USB devices won't be of much help. Repairing this means replacing the laptops motherboard... A very expensive laptop repair indeed
 
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