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Just a thought, but if you don't have your LT on a hard surface so it can breathe, it will overheat and cause the fan to run continuously. My Dell 600LT vents out the bottom left and if this vent is blocked, it will overheat. Good luck.
This issue is normally caused by the CPU heat sink vents becoming clogged with dust and debris.To clean the heat exchanger, use a can of compressed air to blow in the air intake and exhaust vents to try and dislodge the dust and dirt.You need to alternate blowing in the intake then the exhaust multiple times until no more dust is evident (May take 10 or 15 times) then blow the vents out about once a month.
Also, avoid using the system on any soft surface, always use a hard flat surface.If used on a rug, bed, quilt, sofa, lap etc, the vents can be blocked restricting airflow, again causing the fan to race all the time.
If this fails to resolve, then the heatsink and/or the fan may need to be replaced
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Make sure Windows Update is turned on. For Windows 7, Vista, and Windows 8 there are Updates that resolve some hardware glitches such as the one you are experiencing.
Are you referring to the compressor not shutting off down below or the evaporator fan inside the cooling area not shutting off? Evaporator fan always runs the compressor is controlled by the thermostat you could have a bad thermostat if the compressor never shuts off.
The ambient temperature in the room is to high. Try lowering the room temperature. If that doesn't work get a small fan and place it near the projector to provide extra cooling. The projector is running border line on high temperature and just needs a little extra cooling.
Cooling fans only run when the temp,of the coolant get to about 215 to 218 degrees,and shut them selves off,when the engine cools down,if they do not cut off,the engine is not cooling down,now,if the ac is on,the cooling fans will stay on until the ac is shut off.
That is mainly caused by your laptop CPU heat too hot. Just clean the CPU fan and dip some lubricant oil into the CPU fan. Then buy a laptop cooling stand.
Sounds like the PSU is overheating. Some PSU's are designed to keep the fan running to cool it down even after system shut down. I would let the fan run after shutdown to see how long it takes to shut itself off. If there are no environmental issues tat are causing overheating you might want to consider replacing the PSU.
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