high pitch sound

April 29, 2009 at 12:35:34
Specs: Windows XP
my pc has an anouying high pitch sound comming from the two beep speakers on its GA-1EXP m/board one spkr is perminatly fixed to the m/b near the bios batt,and the other spkr is on a two wire connection and pluged into the front panel led-block on the m/board also, the sound only starts 4 sec's after PC switch on and continues until switched off. I have tested sofar with all perifials removed and just the psu connected to the m/board,sound still there, I've tried a simmilar psu hooked up and the sound is still comming from these two beep speakers on m/board and as suggested from others I've also checked for damaged orswollen and discollored capacitors but all there seems to be fine, I also checked the copper coils with a end of a biro for looseness all ok.the sound is deffinatly comming from these two tiny speakers, Please anyone do you have any ideas

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April 29, 2009 at 13:49:40
The beeping is an error code message. There should be a pattern...possibly a mix of short & long beeps with pauses in between? You apparently mistyped the motherboard model number. I know it's Gigabyte from the "GA" but there is no GA-1EXP. Maybe you can find it on the Gigabyte site. I'm not gonna spend 30 min looking thru the entire list of boards to see if there's a model number close to what you posted:


Once you find the correct model number, look at the specs to find out which BIOS type was used...it will probably be either AMI, Award or Pheonix. Then find the beep codes on this page & see if you can determine the cause of the problem:


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April 29, 2009 at 16:00:33
The high pitch sound from the speakers are due to the heat sink is on backwards or not properly seated.

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May 1, 2009 at 12:42:54
Hi thanks for all your replies, however my motherboard is a Gigabyte GA-8iEXP and the sound which is continuous sounds like a carpenters router but quieter like in the distance, beckrl said It probably is the heatsink on back to front or not seated correctly, it looks ok to me but would it not clamp on at all if it were on wrong way? its been there a while.

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