On 12/16/11 13:17, richard wrote:
On 12/16/2011 1:06 PM, Martin N wrote:
Lo,
At 15:28 16/12/2011, you wrote:
The fan on my x61s has been noisy, so I opened the machine and blew
on the fan. When I reassembled and tried to boot, I got a grinding
noise from the fan and it stopped with the message "fan error."
After a few tries, I hit escape on the error message and it booted.
Trying again, it booted normally.
How best to proceed? Might this be a transitory problem?
My t60 fan was noisy just pushing on it reseated it and now its quiet
again.
I hope you put something between the blades of the fan before blowing
to stop
it over revving which could put undue stress on the bearing.
I did not put do anything to stop the blades from spinning, but I only
blew with my mouth, rather than compressed air. It did not turn very
much. It was a lot cleaner than I expected.
Oddly, the fan now seems quieter than before. so, perhaps it was just
transitory. I suppose I'll watch it for a bit and try to replace it
if there are any more symptoms.
As tempting as it is, your mouth has moisture and that means
getting the fan possibly damp, so a can of compressed air is
better. While you may over-stress the bearings a little, I don't
think a few seconds is going to hurt them much. Less air is
better, obviously.
As for the fan, it's dying, for any number of reasons. I've taken
several apart, and bearings going, spindle problems and even
a case of coil winding damage (faulty manufacturing?) have
been culprits. I've had fans that have made noise and died in
a day, and one fan in a computer that has made a rather horrid
screechy noise for more than 2 years. A fan is like a cat--you
can't really know what it will do.
--STeve Andre'
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