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November 27th, 2019 10:00
Vostro 260, possible to repress fan error on boot up?
We have about 400 Vostro 260s and the bearings on the case fan are going out and becoming noisy.
I'd like to be able to just unplug the case fan, we switched to SSD so we really don't need the cooling.
This works except that we get a "system fan error, press F1 to continue" when we boot up the machine.
-I"ve checked the bios and there doesn't appear to be an option there.
Is it possible to repress that message w/o buying new fans for these systems?
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JOcean
9 Legend
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12.6K Posts
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November 28th, 2019 07:00
A couple of links. This one is a bit of a hack job but works and this forum post may help.
savvy2
2 Intern
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2.5K Posts
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November 28th, 2019 08:00
dell does not want you to disable fans, if you had ASUS z270p up, the fans are programmable, even diy curve fit.
then you looked in BIOS F2 and there is no disable. non there.
leaving 1 choice, lie to the tachometer pin on the missing fan, pin.
I tested this on my junk 790 PC, with female/male Arduino jumper, cable, inserting one end to CPU tacho pin 1
and other end to missing fan tacho pin 1, no more errors. is the result.
thebelow trick fails with alien intel fan, the intel runs to slow and fails. (dell models the PWM to TACH for match)
speedstep
9 Legend
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47K Posts
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November 28th, 2019 15:00
No its not possible. Either replace the fan or live with the error.
https://www.amazon.com/Pocaton-Female-Socket-Connector-Cooling/dp/B073XJV5L9/
Dell sometimes swaps the wires around so that you will fry a dell fan on standard and the other way round.
https://www.amazon.com/Noctua-NF-A8-PWM-Premium-Quiet/dp/B00NEMG62M/
It has 5 pins but only 4 wires are used.
Dell does not publish this. And some dells use standard wiring.
I believe this is correct.
YMMV
Dell MB
Pin Number
Function
Dell wire color
Std Fan
Pin Number
Std Fan wire color
Description
1
Sens (TACH)
White/Yellow
3
Green
Sens (TACH)
2
+12v
Red
2
Yellow
+12v
3
Gnd
Black
1
Black
Gnd
4
PWM
Blue
4
Blue
PWM
5
Key
unused