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Continuous buzz on a GA-Z77-U3H
Hi group,
I've been running a self-built system based on a GA-Z77-U3H which is 2-3 years old. A few months back it developed an irritatingly loud continuous buzzing sound - which may or may not be a beep code, and which I am unable to eliminate save by unplugging the case speaker. I have changed the power supply, changed the CPU fan and other fans, changed the case speaker, and I am starting to run out of possible causes to check and eliminate. I've now taken the m/b out of its (also new) case and am running it entirely stripped down, with just the power supply and a case speaker connected to it, and when I boot it up it begins buzzing again as usual. The board is useable in this condition if I unplug the case speaker, but I like to get to the root of this problem and eliminate it because of the indication -- to my mind -- that something somewhere has gone wrong. I have also recently succesfully reinstalled Win7, putting it on a large conventional hard disk in place of the rather crappy old and small SSD I was using as a system disk. The buzzing is unchanged. I have throughout been using Intel Smart Response with a min-iSSD on the board as a cache (in default enhanced mode) which requires a RAID setting rather than AHCI or IDE iand the enabling of Intel Smart Response in the BIOS Grateful any ideas or insight. Leachim Sredna in the south of France |
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