XPS 410 Power Supply Fan Speed/Noise

This morning when I turned on my XPS 410 the power supply fan started
running at "high speed". It is moving more air and is louder than before. It
used to be dead quiet. This is not a bad bearing noise. The case and CPS
fans are OK.

I keep the inside of the case and the power supply clean with air-in-a-can
and I gave the PS a cleaning after the problem started. There are no
applications running that draw appreciable power. The output voltage from
the APC UPS is normal and @ 60 Hz.

PC Wizard 2007, siw, and the Dell Diagnostics all report no problems. The
CPU voltage is 1.34 V, Core 1 is 27 deg C, Core 2 is 29 deg C and the hard
drive is 30 deg C.

I called Dell tech support but I am sort of out of luck as the 1-year
original warranty expired 2 days ago. Their suggestion was change the PS.

I ordered a refurb PS today from Dell.

Any ideas?

Thanks,

Rich




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