Question

Warning CPU has changed or CPU ratio changed fail

Asked by: rutlandict

Warning! CPU has changed or CPU ratio changed fail.

I am getting this message each time i start the PC, i have looked through previous questions posed by other users and have found some soultions.  Unfortunately the thing that is puzzling me at the moment is that i cannot save and exit BIOS, when i press Y and hit enter nothing happens, if i press it a few more times it starts bleeping and i have to reset the computer to exit BIOS.  I have reset BIOS and moved the CMOS jumpers to clear and back but it has made no difference.  
Have i taken the correct procedure to rectify this problem? if not does anyone have any other ideas on how to repair this and to what might be causing it?

regards

Tony

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Asked On
2005-08-17 at 03:18:26ID21529846
Tags

changed

,

ratio

,

has

,

fail

Topic

Miscellaneous Hardware

Participating Experts
4
Points
500
Comments
6

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Answers

 

by: rindiPosted on 2005-08-17 at 03:22:48ID: 14690139

Turn off the PC, remove the keyboard and mouse, then reattach both and make sure they fit nicely. Try saving the BIOS setting now.

 

by: rutlandictPosted on 2005-08-17 at 03:41:16ID: 14690220

I cant believe you thought that would solve my problem, i tried it to give you the benefit of the doubt, but its still happening.

anybody else?

 

by: kiranghagPosted on 2005-08-17 at 03:42:19ID: 14690226

its probably a bad cmos chip now.
cpu speed and multiplier is one of the settings saved in cmos chip on the motherboard. nowdays it cannot be replaced by user afik.

a bad chip will not let you save data. since you already tried clearing the data using jumper, you will need to get this to a repair-tech to take a look at.

 

by: sweatbeastPosted on 2005-08-17 at 04:04:47ID: 14690330

Is this a major manufacturer PC? Compaq, HP,dell etc? You may be able to download a rompaq and re-flash the BIOS.

 

by: rutlandictPosted on 2005-08-17 at 04:12:42ID: 14690377

It is a machine we have built ourselves, i have already flashed the bios and still made no difference.

I replaced the motherboard and the problem has now gone.

must have been a bad chip like kiranghag said

thanks

 

by: willcompPosted on 2005-08-17 at 13:30:50ID: 14695688

rutlandict, Hope you see this.

Test CMOS battery on "bad" mobo.  Quick test with volt meter will suffice.  Should be 3.0 V on a new battery.

20120131-EE-VQP-002

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