That would be normal, as the variable speed fan comes on only when the computer is under load.
What is not normal is that the fan is not coming on when the computer
overheats.Or that the fan is not cooling enough when computer is
overheating.
Monitor computer temperature using a software, check if Fan is coming up when temperature gets critical.
If fan comes up but does not cool enough, then replace the fan, it is
not efficient anymore because of a bad bearing or dust. ~Also ensure
that fan is well mounted, if fan has poor contact with CPU surface ,
cooling will be poor.
If fan does not come up, and critical temp is not detected, then the
sensor on motherboard is bad, this is very uncommon. When this happens
the problem is usually related to system or power settiings , rather
than overheating.
If fan does not come up and temp is critical, then fan is faulty, replace it.
There are also more than one fan on many laptops, check that one of the
fans (CPU fan, video fan) is not completely ded, and therefore cause
for the problem.
By using the software below you can also find out if the problem is
really overheating. If temperature results within normal range, then
usually it is not overheating.In that case test systtem and check power
saving settings.
Here is the software to control your fan and temp. sensor state:
Download SpeedFan - Access temperature sensor in your computer
Download SpeedFan 4.38
SpeedFan - Free software download
I bought the used computer used from a local computer store. I noticed the heat problem the second day so I took it back. They said they replaced the fan and that some computers run hotter than others. I don't think they replaced anything. I never shut it completely off, put to sleep. So it had been on for weeks. It makes no beeps when turning on, just the battery/power light comes on. Surface temp. get to about 130 but never smelled anything. I kind of figured it would be cheaper to trash it.
I am assuming first of all that the CPU fan stopped. Check the motherboard and see if you can remove the processor, if so you probably just got the processor, if not and it melted anything else..you are probably going to replace both processor and motherboard...basically, the damage is done but I would take the mobo out and look at the back where the processor connects as well. This will tell you know alot about what happened and how bad it is...also, approximately how long was the pc on without the CPU fan running?? The fact that is shows a power light may mean that you still a good supply of power to the unit but its not able to see a processor or north bridge for that matter...does it beep with 1long and three short beeps?
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