We recently shut down our server to replace the batteries on its UPS. Normally, the fan runs on high when it is first booted up and then returns to low (or off) and is essentially noiseless. Since we replaced the UPS batteries, the fan stays on continuously and is quite noisy. I shut it down and plugged the computer into the wall outlet with the same results so I think I can disqualify the UPS as a problem, i.e., in the event it was getting inadequate power. I'm trying to figure out how the fan is controlled with the idea that perhaps something was reset during the battery replacement. However, I don't have a clue. Any ideas? Assistance is much appreciated.
nibroc1
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Jump to PostIt's in the BIOS under the Power controls I think, also you may have motherboard utilites, but could get Speedfan
http://www.almico.com/sfdownload.php
Allows you to adjust the fan speeds also.
Jump to PostNeed to check the make and model of the motherboard, and then we can help locate it.
You should note as much of the BIOS as you can, Memory settings, CPU etc.
It's to make sure, if after you do a BIOS default, you have not lost some …
Jump to PostTry, unplug the power cord and remove the battery, holding down the power button over 20 seconds do not let go.
This will discharge and reset the computer,reseat the power connectors.
hope this helps.
Bill
Tech manager
Jump to PostI'm trying to figure out how the fan is controlled with the idea that perhaps something was reset during the battery replacement. However, I don't have a clue. Any ideas? Assistance is much appreciated.
From your first post. Maybe the fan was reset when the battery change. Try using back …
Jump to PostThsi was why I wanted you to do a BIOS reset to check if the BIOS is controlling the fan proper?
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