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PC only starts after hitting internal bios reset button


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5 replies to this topic

#1 Kraeggenzkull

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Posted 03 September 2014 - 06:26 PM

My PC will only power up after I hit the internal bios reset button. After which I can hit either the internal or external power switch and it will fire up and run fine. I have replaced the battery and even the power supply. Checked all wires are nice and tight.
Z97 Asrock motherboard
I7 intel processor
Corsair CA 750 power supply
16 g ram
GeForce 770 video card
Windows 7 pro 64bit
I still have a warranty on the mobo, I would prefer to not have to return it though. Any help is appreciated.

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#2 Kraeggenzkull

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Posted 03 September 2014 - 06:28 PM

Power supply is corsair cs 750 (auto correct on my phone)

#3 mjd420nova

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Posted 03 September 2014 - 06:57 PM

This sounds like a MOBO failure.  It appears that the FLASH BIOS chip is faulty and can't hold the BIOS unload when powered off, explaining the normal startup after a reset.



#4 Joe C

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Posted 03 September 2014 - 07:32 PM

That board does have a dual bios switch, by default it should be in the A position. You can switch it to the B position and see if that works, if it does then there a guide to repair the A bios on page 26

ftp://66.226.78.21/manual/Z97%20Extreme6.pdf

 

Are you getting any of the led  fault codes listed on pages 27 & 28?


Edited by Joe C, 03 September 2014 - 07:44 PM.


#5 Kraeggenzkull

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Posted 04 September 2014 - 05:58 AM

Switched to b bios and it is firing up now without needing to reset bios. I will look into repairing a later this morning. Oh and before I was not getting any codes from the led.

#6 Kraeggenzkull

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Posted 04 September 2014 - 06:19 AM

Repaired A did a couple test boots and appears to be functional again. Thanks for the help.




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