Fan Failure Message

March 2, 2009 at 05:20:01
Specs: WinXP, 2.4/256
How do I get rid of "Alert. Previous Fan Failure" message? I did remove and replace the CPU fan but it is working OK.

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March 2, 2009 at 06:59:40
Go into the bios setup and make sure the cpu fan's rpm is being detected.

If it isn't, you've got another problem.

Apparently the message you're getting is a Dell bios only message, and you get it whether the computer is a desktop or a laptop.

It isn't removed if you do the usual things after replacing the fan.

E.g. for a desktop.....

"Things that didn't work:
Going into the BIOS and clearing the system log
Upgrading the BIOS
Removing the CMOS battery to reset BIOS
While in BIOS, turn on Num Lock, Scroll Lock and Cap lock and press Alt-E followed by Alt-B. "

You could try loading bios defaults in the bios setup but that may not work either.

I found this solution in several places - switch off Report Keyboard Errors in the bios.


"Finally, however, I tried one tip which seemed rather stupid: I
switched off "Report Keyboard Errors" in the Dell BIOS.
Which worked perfectly =)
The beep is gone, the "Strike the F1 key to continue" thing is gone.
There's just a split-second flash of the "Alert! Previous fan
failure." text on the upper part of the screen, then the OS starts

Why does that work?
I have no idea.
A bug in the bios code?

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March 2, 2009 at 09:52:39
Did you replace the fan in question with a similar fan. IE, a 3 wire fan?

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