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bios has detected unsuccessful post attempt



CPU : 4770k (not overcloacked)

RAM: Corsair Vengeance (8x2) 16 GB

in Corsair R500 Cabinet

installed this machine 3+ years ago, worked absolutely fine till today morning when this "bios has detected unsuccessful post attempt(s)" msg appeared. I am not able to enter into BIOS after pressing 'Y' and on the other hand computer restarts to the same position even after pressing 'N'. Noting really working. I disconnected all my HDDs, my graphic card, replaced RAM but no results. When Jumper is set to 2-3 it does not display this msg but it does not boot either. I tried to reset my bios by removing jumper but nothing appears on monitors (no signal).

This configuration have worked well since today, I have not changed anything in it as such, nor I have altered any configuration.

What would be the solution please suggest. Thank you in advance.

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2 Replies
Community Manager

Hello AshwaniVerma:



Thank you very much for joining the Intel motherboards community.



The troubleshoot steps you did are actually very good in order to try to fix this problem.



Just to make sure, if you test the PC without the hard drive and just with one memory stick, are you able to access the BIOS?



We can try also a BIOS recovery:



This is the .BIO file needed for version 0457:



We can also try to clear CMOS:



Did you test the PC outside the chassis?



Do you have the option to test your processor on a different board or to test your board with a different processor?



This will be the last step to do in order to try to find the source of the problem.



Please let me know the results of trying the steps above.

NOTE: These links are being offered for your convenience and should not be viewed as an endorsement by Intel of the content, products, or services offered there.


Any further questions, please let me know.








Community Manager

Hello AshwaniVerma:



I just wanted to check if the information posted previously was useful for you and if you saw the information we are requesting to further assist you?



Any questions, please let me know.