I know the computer fan constantly runs, i have a gateway and it all of a sudden started running at its highest speed constantly. Before it would change speeds as it needed but now it just constantly runs fast. Is this cause for concern?
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There is a CMOS setting that you can set on some motherboards which monitor CPU temperature while adjusting fan speed to match.
You might have a look into your CMOS settings for such an animal.
To enter the CMOS, tap the F1, or F2 or Delete key (depending on your motherboard) about 3-5 seconds after repowering your machine.
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Because the fans are running constantly it sounds like you have a communication problem between modules, sensors and the ECM. You need a good local auto electrician with a pro grade scan tool computer. This is not an easy fix that you can do at home because the scan tool is about 5 grand.
Turn both low and high adjustment screws carefully clockwise all the way in - do not overtighten.. Then back out each two full turns. Set the idle speed control for highest setting. Prime and start and let it run and warm up for about 15 seconds - then lower the rpms a tad and then adjust the low end screw for highest rpm. Then reset the idle to lower reasonable level. You may have to go back and forth with those two adjustments till it runs fine at low idle speed..
Then accelerate to highest speed and set the high adjustment for highest rpm. Then go from idle to high speed. If not smooth a small adjustment on the high speed screw is in order. Keep doing that until you get a nice smooth transition form low speed to high speed.
This is a common problem for Gateway. The first thing to do is shut the computer down and blow out the dust from the processor heatsink and other areas that it is heavily collected. Then go to the Gateway website and download the latest firmware for your computer. They constantly have fan issues. These are almost always addressed in firmware updates from the manufacturer website.
It's very possible the fan motor has quit. The squealing noise is caused from motor bearing failure. As the bearings wear out or dry up the motor is harder to turn and require more current to run the motor. On lower speeds, the motor runs off a series of resistors that reduce the amount of voltage and current so the fan runs a lower speeds. If the bearings are worn, there is not enough voltage or current to turn the motor and that'sprobably the humming noise your hearing.
Good observation by the way.
Let me know.
First off you should know that laptop fans have three speeds high, low, and off. When you first turn a laptop on it will start on high/low (depending on brand) and after a short time will turn off, it may not turn on again for a while. i have had some that will not make it to the desktop without the fan and i had on that was running for several month straight without the fan plugged in (i don't recommend doing this, it was a mistake burned it, reached 70 degrees C).
I would like you to first download Speedfan http://www.almico.com/speedfan437.exe and install it. once installed leave your computer completely off for at least 1 hour. then turn on your computer and once you get to the desktop run speed fan make note of the temps. leave this opened and now use you computer normally for a little bit then come back to speed fan after a while and make note of those temps. once you have done this if you post them in a reply so i can verify if the fan is bad or if it is something else.
the thermo switch determine how high and how long the fan need to run to obtain the propertemperature, it will be a consern if the fan doesn't run.
as far as the upgrade of your machine. do you have enough RAM (2GB minimum) and how is the CPU?(1.6GHz or better) can the CPU handle the operating system. Since you didn't mention that, and by reading what you say, I believe the machine is not able to handle the Vista, that is why the fan is running at high speed and non-stop. The CPU is getting hot, and the power supply is pulling lots power.
Vista loading takes approximately 1-2 minutes, dependent on how many applications you have installed and what you have on the desktop.
roll back to XP from Vista is no possible, the only way is to reformat and reinstall XP.